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Liu S, Yang Y, Luo H, Pang W, Martin GB. Fat deposition and partitioning for meat production in cattle and sheep. ANIMAL NUTRITION (ZHONGGUO XU MU SHOU YI XUE HUI) 2024; 17:376-386. [PMID: 38812494 PMCID: PMC11134559 DOI: 10.1016/j.aninu.2024.03.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/19/2023] [Revised: 01/04/2024] [Accepted: 03/11/2024] [Indexed: 05/31/2024]
Abstract
In markets for beef and sheep meat, an appropriate level of intramuscular fat (IMF) is highly desirable for meat-eating quality, but strategies to improve it usually lead to an undesirable excess in carcase fat, presenting a major challenge to livestock producers. To solve this problem, we need to understand the partitioning of fat among the major fat depots: IMF, subcutaneous fat (SCF) and visceral fat (VF). In most genotypes of cattle and sheep, the rate of accretion is lower for IMF than for SCF and VF, so genetic selection for a high level of IMF, or the use of an increased dietary energy supply to promote IMF deposition, will increase overall fatness and feed costs. On the other hand, feeding postnatal calves with excessive concentrates promotes IMF deposition, so a nutritional strategy is feasible. With genetic strategies, several problems arise: 1) positive genetic correlations between IMF, SCF and VF differ among genotypes in both cattle and sheep; 2) genotypes appear to have specific, characteristic rates of accretion of IMF during periods of growth and fattening; 3) most breeds of cattle and sheep naturally produce meat with relatively low levels of IMF, but IMF does vary substantially among individuals and breeds so progress is possible through accurate measurement of IMF. Therefore, an essential prerequisite for selection will be knowledge of the genetic correlations and fat accretion rates for each genotype. Currently, selection for IMF is based on existing technology that directly measures IMF in the progeny or siblings, or estimates IMF in live animals. New technology is needed to permit the simultaneous measurement of SCF and IMF in the field, thus opening up the possibility of accurate selection, particularly for fat partitioning in live animals. Specifically, there would be great value in detecting individuals with an IMF advantage at an early age so the generation interval could be shortened and genetic gain accelerated. Genetic gain would also be greatly aided if we could select for genes that control adipogenesis and lipogenesis and are also differentially expressed in the various depots.
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Affiliation(s)
- Shimin Liu
- The UWA Institute of Agriculture, The University of Western Australia, Crawley, WA 6009, Australia
| | - Yanyan Yang
- Institute of Animal Husbandry of Inner Mongolia Academy of Agricultural and Animal Husbandry Sciences, Yuquan, Hohhot 010020, China
| | - Hailing Luo
- College of Animal Science and Technology of China Agricultural University, Haidian, Beijing 100093, China
| | - Wenjie Pang
- Resonance Health, Burswood, WA 6100, Australia
| | - Graeme B. Martin
- The UWA Institute of Agriculture, The University of Western Australia, Crawley, WA 6009, Australia
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2
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Ma T, Ren R, Lv J, Yang R, Zheng X, Hu Y, Zhu G, Wang H. Transdifferentiation of fibroblasts into muscle cells to constitute cultured meat with tunable intramuscular fat deposition. eLife 2024; 13:RP93220. [PMID: 38771186 PMCID: PMC11108645 DOI: 10.7554/elife.93220] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/22/2024] Open
Abstract
Current studies on cultured meat mainly focus on the muscle tissue reconstruction in vitro, but lack the formation of intramuscular fat, which is a crucial factor in determining taste, texture, and nutritional contents. Therefore, incorporating fat into cultured meat is of superior value. In this study, we employed the myogenic/lipogenic transdifferentiation of chicken fibroblasts in 3D to produce muscle mass and deposit fat into the same cells without the co-culture or mixture of different cells or fat substances. The immortalized chicken embryonic fibroblasts were implanted into the hydrogel scaffold, and the cell proliferation and myogenic transdifferentiation were conducted in 3D to produce the whole-cut meat mimics. Compared to 2D, cells grown in 3D matrix showed elevated myogenesis and collagen production. We further induced fat deposition in the transdifferentiated muscle cells and the triglyceride content could be manipulated to match and exceed the levels of chicken meat. The gene expression analysis indicated that both lineage-specific and multifunctional signalings could contribute to the generation of muscle/fat matrix. Overall, we were able to precisely modulate muscle, fat, and extracellular matrix contents according to balanced or specialized meat preferences. These findings provide new avenues for customized cultured meat production with desired intramuscular fat contents that can be tailored to meet the diverse demands of consumers.
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Affiliation(s)
- Tongtong Ma
- College of Animal Science and Technology, Key Laboratory of Efficient Utilization of Non-Grain Feed Resources, Ministry of Agriculture and Rural Affairs, Shandong Agricultural UniversityTaianChina
| | - Ruimin Ren
- College of Animal Science and Technology, Key Laboratory of Efficient Utilization of Non-Grain Feed Resources, Ministry of Agriculture and Rural Affairs, Shandong Agricultural UniversityTaianChina
- College of Animal Science and Technology, Huazhong Agricultural UniversityWuhanChina
| | - Jianqi Lv
- College of Animal Science and Technology, Key Laboratory of Efficient Utilization of Non-Grain Feed Resources, Ministry of Agriculture and Rural Affairs, Shandong Agricultural UniversityTaianChina
| | - Ruipeng Yang
- College of Animal Science and Technology, Key Laboratory of Efficient Utilization of Non-Grain Feed Resources, Ministry of Agriculture and Rural Affairs, Shandong Agricultural UniversityTaianChina
| | - Xinyi Zheng
- College of Animal Science and Technology, Key Laboratory of Efficient Utilization of Non-Grain Feed Resources, Ministry of Agriculture and Rural Affairs, Shandong Agricultural UniversityTaianChina
| | - Yang Hu
- College of Food Science and Technology, Huazhong Agricultural UniversityWuhanChina
| | - Guiyu Zhu
- College of Animal Science and Technology, Key Laboratory of Efficient Utilization of Non-Grain Feed Resources, Ministry of Agriculture and Rural Affairs, Shandong Agricultural UniversityTaianChina
| | - Heng Wang
- College of Animal Science and Technology, Key Laboratory of Efficient Utilization of Non-Grain Feed Resources, Ministry of Agriculture and Rural Affairs, Shandong Agricultural UniversityTaianChina
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Otto JR, Mwangi FW, Pewan SB, Adegboye OA, Malau-Aduli AEO. Muscle biopsy long-chain omega-3 polyunsaturated fatty acid compositions, IMF and FMP in Australian pasture-based Bowen Genetics Forest Pastoral Angus, Hereford, and Wagyu Beef Cattle. BMC Vet Res 2024; 20:95. [PMID: 38461255 PMCID: PMC10924329 DOI: 10.1186/s12917-024-03906-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2023] [Accepted: 02/02/2024] [Indexed: 03/11/2024] Open
Abstract
BACKGROUND We investigated breed and gender variations in the compositions of long-chain (≥ C20) omega-3 polyunsaturated fatty acids (LC omega-3 PUFA), fat melting point (FMP) and intramuscular fat (IMF) contents in biopsy samples of the M. longissimus dorsi muscle of grazing beef cattle. The hypothesis that biopsy compositions of health-beneficial LC omega-3 PUFA, FMP and IMF in a pasture-based production system will vary with breed, was tested. Muscle biopsies were taken from 127 yearling pasture-based Angus, Hereford, and Wagyu heifers and young bulls exclusive to the Australian Bowen Genetics Forest Pastoral breeding stud averaging 12 ± 2.43 months of age and under the same management routine. RESULTS Breed had a significant influence on IMF, FMP, and the compositions of oleic acid, α-linolenic acid (ALA), eicosapentaenoic (EPA), docosahexaenoic (DHA), docosapentaenoic (DPA), and total EPA + DHA + DPA in the M. longissimus dorsi muscle biopsies (P ≤ 0.03). The Wagyu breed had the highest (11.1%) and Hereford the lowest (5.9%) IMF (P = 0.03). The reverse trend was observed in FMP values where the Hereford breed had the highest (55 °C), Angus intermediate (46.5 °C), and Wagyu the lowest (33 °C) FMP. The Wagyu and Angus breeds had similar oleic fatty acid (18:1n-9) content, while the Hereford breed had the lowest (P < 0.01). The highest ALA, DPA, total EPA + DHA, total EPA + DHA + DPA and total ALA + EPA + DHA + DPA contents were detected in the Wagyu breed (P ≤ 0.03). The Hereford had similar EPA and DPA contents to the Angus (P ≥ 0.46). Total EPA + DHA + DPA contents in Wagyu, Angus, and Hereford were 28.8, 21.5, and 22.1 mg/100g tissue (P = 0.01), respectively. Sex was an important source of variation that influenced LC omega-3 PUFA composition, FMP and IMF, where yearling heifers had higher IMF (11.9% vs 5.3%), lower FMP (33°C vs 37°C), and higher LC omega-3 PUFA than bulls. CONCLUSION All the results taken together indicate that the Wagyu breed at 28.8 mg/100g tissue, was the closest to meeting the Australia and New Zealand recommended source level threshold of 30 mg/100g tissue of health-beneficial ≥ C20 omega-3 FA content. Since gender was a significant determinant of LC omega-3 PUFA composition, IMF content and FMP, it should be factored into enhancement strategies of healthy meat eating quality traits in grazing cattle. These findings also suggest that the Bowen Genetics Forest Pastoral beef cattle studs are important sources of LC omega-3 PUFA that can be used to cover the deficit in these health claimable fatty acids in Western diets.
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Affiliation(s)
- John Roger Otto
- School of Environmental and Life Sciences, College of Engineering, Science and Environment, The University of Newcastle, Callaghan, NSW, 2308, Australia.
| | - Felista Waithira Mwangi
- School of Environmental and Life Sciences, College of Engineering, Science and Environment, The University of Newcastle, Callaghan, NSW, 2308, Australia
- School of Medicine and Public Health, College of Health, Medicine and Wellbeing, The University of Newcastle, Callaghan, NSW, 2308, Australia
| | - Shedrach Benjamin Pewan
- School of Environmental and Life Sciences, College of Engineering, Science and Environment, The University of Newcastle, Callaghan, NSW, 2308, Australia
- National Veterinary Research Institute, Private Mail Bag 01 Vom, Jos, Plateau State, Nigeria
| | | | - Aduli Enoch Othniel Malau-Aduli
- School of Environmental and Life Sciences, College of Engineering, Science and Environment, The University of Newcastle, Callaghan, NSW, 2308, Australia
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Ueda S, Yoshida Y, Kebede B, Kitamura C, Sasaki R, Shinohara M, Fukuda I, Shirai Y. New Implications of Metabolites and Free Fatty Acids in Quality Control of Crossbred Wagyu Beef during Wet Aging Cold Storage. Metabolites 2024; 14:95. [PMID: 38392987 PMCID: PMC10890485 DOI: 10.3390/metabo14020095] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2023] [Revised: 12/30/2023] [Accepted: 01/11/2024] [Indexed: 02/25/2024] Open
Abstract
Efficient cold-chain delivery is essential for maintaining a sustainable global food supply. This study used metabolomic analysis to examine meat quality changes during the "wet aging" of crossbred Wagyu beef during cold storage. The longissimus thoracic (Loin) and adductor muscles (Round) of hybrid Wagyu beef, a cross between the Japanese Black and Holstein-Friesian breeds, were packaged in vacuum film and refrigerated for up to 40 days. Sensory evaluation indicated an increase in the umami and kokumi taste owing to wet aging. Comprehensive analysis using gas chromatography-mass spectrometry identified metabolite changes during wet aging. In the Loin, 94 metabolites increased, and 24 decreased; in the Round, 91 increased and 18 decreased. Metabolites contributing to the umami taste of the meat showed different profiles during wet aging. Glutamic acid increased in a cold storage-dependent manner, whereas creatinine and inosinic acid degraded rapidly even during cold storage. In terms of lipids, wet aging led to an increase in free fatty acids. In particular, linoleic acid, a polyunsaturated fatty acid, increased significantly among the free fatty acids. These results provide new insight into the effects of wet aging on Wagyu-type beef, emphasizing the role of free amino acids, organic acids, and free fatty acids generated during cold storage.
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Affiliation(s)
- Shuji Ueda
- Department of Agrobioscience, Graduate School of Agricultural Science, Kobe University, Hyogo 657-8501, Japan
| | - Yuka Yoshida
- Japan Meat Science and Technology Institute, Tokyo 150-0013, Japan
| | - Biniam Kebede
- Department of Food Science, University of Otago, P.O. Box 56, Dunedin 9054, New Zealand
| | - Chiaki Kitamura
- Department of Agrobioscience, Graduate School of Agricultural Science, Kobe University, Hyogo 657-8501, Japan
| | - Ryo Sasaki
- Food Oil and Fat Research Laboratory, Miyoshi Oil & Fat Co., Ltd., Tokyo 124-8510, Japan
| | - Masakazu Shinohara
- The Integrated Center for Mass Spectrometry, Kobe University Graduate School of Medicine, Hyogo 650-0017, Japan
| | - Itsuko Fukuda
- Department of Agrobioscience, Graduate School of Agricultural Science, Kobe University, Hyogo 657-8501, Japan
| | - Yasuhito Shirai
- Department of Agrobioscience, Graduate School of Agricultural Science, Kobe University, Hyogo 657-8501, Japan
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5
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Murata S, Sasaki K. Sensory and physicochemical characteristics of Japanese jidori chicken (Choshu-Kurokashiwa) and broiler thigh meat: Effect of cooking procedure. Anim Sci J 2024; 95:e13932. [PMID: 38410878 DOI: 10.1111/asj.13932] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2023] [Revised: 12/30/2023] [Accepted: 01/30/2024] [Indexed: 02/28/2024]
Abstract
This study aimed to investigate the effects of various cooking procedures on the sensory and physicochemical properties of Japanese jidori chicken (Choshu-Kurokashiwa) and broiler thigh meat. Thigh meats were cooked using three different procedures: grilling, boiling, and deep-frying. Subsequently, we performed sensory evaluation by a trained panel and instrumental analysis on both raw and cooked meat to determine changes in pH, shear force value, cooking loss, nucleotide metabolite contents, and proximate, free amino acid, and fatty acid composition. From the sensory evaluation, "springiness" and "chewiness" were found to be characteristics of Choshu-Kurokashiwa thigh meat among all cooking procedures. In terms of "juiciness" and "sulfur flavor," chicken breed and cooking procedure interacted, and these were considerably higher in Choshu-Kurokashiwa meat than in broiler meat only when boiling. In the instrumental analysis, Choshu-Kurokashiwa meat showed a considerably higher shear force value and lower free amino acid content than broiler meat, regardless of the cooking procedure used. Again, in terms of cooking loss, chicken breed and cooking procedure interacted, and this was considerably lower in Choshu-Kurokashiwa meat than in broiler meat only when boiling. These results showed that cooking procedure should be considered when describing the sensory characteristics of jidori thigh meat.
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Affiliation(s)
- Shohei Murata
- Yamaguchi Prefectural Technology Center for Agricultural and Forestry, Hofu, Japan
| | - Keisuke Sasaki
- Institute of Livestock and Grassland Science, National Agriculture and Food Research Organization (NARO), Tsukuba, Japan
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6
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Pannier L, van de Weijer TM, van der Steen FTHJ, Kranenbarg R, Gardner GE. Adding value to beef portion steaks through measuring individual marbling. Meat Sci 2023; 204:109279. [PMID: 37467681 DOI: 10.1016/j.meatsci.2023.109279] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2023] [Revised: 06/29/2023] [Accepted: 07/07/2023] [Indexed: 07/21/2023]
Abstract
The current Meat Standards Australia (MSA) and AUS-MEAT grading system assumes that marbling through the M. longissmus thoracis et lumborum (loin) is represented by the score of the grading site. However, studies have indicated marbling varies within the beef loin, but commercially individual portion steaks are not graded for marbling. Cube rolls from a wide phenotypic marbling range (n = 102) were collected and sliced into 15 mm portion steaks, which were imaged with a Marel vision scanner to obtain objective marbling scores. Additionally, three locations (grading site, middle, cranial) across each cube roll were tested for intramuscular fat percentage (IMF%). The effect of steak location demonstrated marked variation across the length of the cube roll for both vision scanner marbling scores and IMF%. This variation in vision scanner marbling scores, expressed in units of MSA marbling score, equated to 316 MSA units. This work suggests an opportunity for individual portion marbling measurements and segregation of individual portion cut steaks based upon their marbling levels.
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Affiliation(s)
- L Pannier
- Murdoch University, College of Science, Health, Engineering and Education, Western Australia 6150, Australia.
| | | | | | - R Kranenbarg
- Marel Meat B.V, Handelstraat 3, Boxmeer 5830AD, the Netherlands
| | - G E Gardner
- Murdoch University, College of Science, Health, Engineering and Education, Western Australia 6150, Australia
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7
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Ford H, Liu Q, Fu X, Strieder-Barboza C. White Adipose Tissue Heterogeneity in the Single-Cell Era: From Mice and Humans to Cattle. BIOLOGY 2023; 12:1289. [PMID: 37886999 PMCID: PMC10604679 DOI: 10.3390/biology12101289] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/02/2023] [Revised: 09/19/2023] [Accepted: 09/22/2023] [Indexed: 10/28/2023]
Abstract
Adipose tissue is a major modulator of metabolic function by regulating energy storage and by acting as an endocrine organ through the secretion of adipokines. With the advantage of next-generation sequencing-based single-cell technologies, adipose tissue has been studied at single-cell resolution, thus providing unbiased insight into its molecular composition. Recent single-cell RNA sequencing studies in human and mouse models have dissected the transcriptional cellular heterogeneity of subcutaneous (SAT), visceral (VAT), and intramuscular (IMAT) white adipose tissue depots and revealed unique populations of adipose tissue progenitor cells, mature adipocytes, immune cell, vascular cells, and mesothelial cells that play direct roles on adipose tissue function and the development of metabolic disorders. In livestock species, especially in bovine, significant gaps of knowledge remain in elucidating the roles of adipose tissue cell types and depots on driving the pathogenesis of metabolic disorders and the distinct fat deposition in VAT, SAT, and IMAT in meat animals. This review summarizes the current knowledge on the transcriptional and functional cellular diversity of white adipose tissue revealed by single-cell approaches and highlights the depot-specific function of adipose tissue in different mammalian species, with a particular focus on recent findings and future implications in cattle.
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Affiliation(s)
- Hunter Ford
- Department of Veterinary Sciences, Davis College of Agricultural Sciences and Natural Resources, Texas Tech University, Lubbock, TX 79409, USA;
| | - Qianglin Liu
- School of Animal Sciences, Agricultural Center, Louisiana State University, Baton Rouge, LA 70803, USA; (Q.L.); (X.F.)
| | - Xing Fu
- School of Animal Sciences, Agricultural Center, Louisiana State University, Baton Rouge, LA 70803, USA; (Q.L.); (X.F.)
| | - Clarissa Strieder-Barboza
- Department of Veterinary Sciences, Davis College of Agricultural Sciences and Natural Resources, Texas Tech University, Lubbock, TX 79409, USA;
- School of Veterinary Medicine, Texas Tech University, Amarillo, TX 79106, USA
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8
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Louis F, Furuhashi M, Yoshinuma H, Takeuchi S, Matsusaki M. Mimicking Wagyu beef fat in cultured meat: Progress in edible bovine adipose tissue production with controllable fatty acid composition. Mater Today Bio 2023; 21:100720. [PMID: 37455817 PMCID: PMC10339247 DOI: 10.1016/j.mtbio.2023.100720] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2023] [Revised: 06/20/2023] [Accepted: 06/29/2023] [Indexed: 07/18/2023] Open
Abstract
Since the current process of livestock meat production has considerable effects on the global environment, leading to high emissions of greenhouse gases, cultured meat has recently attracted attention as a suitable alternative way to acquire animal proteins. However, while most published studies on cell-cultured meat have focused on muscle tissue culture, fat production which is an important component of the process has often been neglected from this technology, even though it can enhance the meat's final taste, aroma, tenderness, texture, and palatability. In this study, we focused on bovine muscle reconstruction by monitoring and optimizing the possible expansion rate of isolated primary bovine adipose stem cells and their adipogenesis differentiation to be fully edible for cultured meat application. After approximatively 100 days of serial passages, the bovine adipose-derived stem cells, isolated from muscle tissue, underwent 57 ± 5 doublings in the edible cell culture medium condition. This implies that by cultivating and amplifying them, a minimum of 2.9 × 1022 cells can be obtained from around 10 g of fat. It was discovered that these cells retain their adipogenesis differentiation ability for at least 12 passages. Moreover, the final lipid composition could be controlled by adjusting the fatty acid composition of the culture medium during the differentiation process, resulting in organoleptic features similar to those of real fat from muscle. This was especially so for the cis isomer oleic acid percentage, an important part of high-grade Japanese Wagyu meat. These characteristics of the primary bovine adipose-derived stem cell proliferation and adipogenesis differentiation provide valuable insights for the in vitro production of meat alternatives.
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Affiliation(s)
- Fiona Louis
- Joint Research Laboratory (TOPPAN INC.) for Advanced Cell Regulatory Chemistry, Graduate School of Engineering, Osaka University, Osaka, Japan
| | - Mai Furuhashi
- Institute of Industrial Science, The University of Tokyo, Tokyo, Japan
- Global Innovation Center, Nissin Foods Holdings Co., Ltd, Tokyo, Japan
| | - Haruka Yoshinuma
- Global Innovation Center, Nissin Foods Holdings Co., Ltd, Tokyo, Japan
| | - Shoji Takeuchi
- Institute of Industrial Science, The University of Tokyo, Tokyo, Japan
- Department of Mechano-Informatics, Graduate School of Information Science and Technology, The University of Tokyo, Tokyo, Japan
| | - Michiya Matsusaki
- Joint Research Laboratory (TOPPAN INC.) for Advanced Cell Regulatory Chemistry, Graduate School of Engineering, Osaka University, Osaka, Japan
- Division of Applied Chemistry, Graduate School of Engineering, Osaka University, Osaka, Japan
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9
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Sun J, Ruan Y, Xu J, Shi P, Xu H. Effect of Bovine MEF2A Gene Expression on Proliferation and Apoptosis of Myoblast Cells. Genes (Basel) 2023; 14:1498. [PMID: 37510401 PMCID: PMC10379155 DOI: 10.3390/genes14071498] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2023] [Revised: 07/17/2023] [Accepted: 07/21/2023] [Indexed: 07/30/2023] Open
Abstract
Myocyte enhancer factor 2A (MEF2A) is a member of the myocyte enhancer factor 2 family. MEF2A is widely distributed in various tissues and organs and participates in various physiological processes. This study aimed to investigate the effect of MEF2A expression on the proliferation and apoptosis of bovine myoblasts. CCK8, ELISA, cell cycle, and apoptosis analyses were conducted to assess cell status. In addition, the mRNA expression levels of genes associated with bovine myoblast proliferation and apoptosis were evaluated using RT-qPCR. The results showed that the upregulation of MEF2A mRNA promoted the proliferation rate of myoblasts, shortened the cycle process, and increased the anti-apoptotic rate. Furthermore, the RT-qPCR results showed that the upregulation of MEF2A mRNA significantly increased the cell proliferation factors MyoD1 and IGF1, cell cycle factors CDK2 and CCNA2, and the apoptotic factors Bcl2 and BAD (p < 0.01). These results show that the MEF2A gene can positively regulate myoblast proliferation and anti-apoptosis, providing a basis for the analysis of the regulatory mechanism of the MEF2A gene on bovine growth and development.
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Affiliation(s)
- Jinkui Sun
- Key Laboratory of Animal Genetics, Breeding and Reproduction in the Plateau Mountainous Region, Ministry of Education, Guizhou University, Guiyang 550025, China
- College of Animal Science, Guizhou University, Guiyang 550025, China
| | - Yong Ruan
- Key Laboratory of Animal Genetics, Breeding and Reproduction in the Plateau Mountainous Region, Ministry of Education, Guizhou University, Guiyang 550025, China
- College of Animal Science, Guizhou University, Guiyang 550025, China
| | - Jiali Xu
- Key Laboratory of Animal Genetics, Breeding and Reproduction in the Plateau Mountainous Region, Ministry of Education, Guizhou University, Guiyang 550025, China
- College of Animal Science, Guizhou University, Guiyang 550025, China
| | - Pengfei Shi
- Key Laboratory of Animal Genetics, Breeding and Reproduction in the Plateau Mountainous Region, Ministry of Education, Guizhou University, Guiyang 550025, China
- College of Animal Science, Guizhou University, Guiyang 550025, China
| | - Houqiang Xu
- Key Laboratory of Animal Genetics, Breeding and Reproduction in the Plateau Mountainous Region, Ministry of Education, Guizhou University, Guiyang 550025, China
- College of Animal Science, Guizhou University, Guiyang 550025, China
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10
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Yáñez-Muñoz A, Rosete-Fernández JV, González-Orozco TA, Ríos-Utrera Á. Phenotypic evaluation of pre-weaning growth traits of Akaushi- (Wagyu), Angus- and Brahman-sired calves in tropical conditions. Trop Anim Health Prod 2023; 55:210. [PMID: 37204494 DOI: 10.1007/s11250-023-03622-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2023] [Accepted: 05/09/2023] [Indexed: 05/20/2023]
Abstract
The objective was to assess the effect of sire breed on birth weight, average daily gain from birth to weaning, and actual weaning weight of calves. The calves were produced by AI using semen of five Akaushi (Wagyu), six Angus, and six Brahman bulls. Dams of calves were Beefmaster (n = 60) and Brown Swiss x Zebu (n = 21). The three sire breeds were used on both dam genetic types to produce the calves (45 males and 36 females). Each dam genetic type was raised in two ranches; therefore, all calves were born in four ranches, in the same calendar year. Average age at weaning weight m easurement was 186 days. The traits were analyzed with the MIXED procedure of SAS. The statistical model included the fixed effects of sire breed, dam genetic type, calf sex, ranch, and birth season within sire breed-ranch; sire within breed of sire was included as a random effect (except for weaning weight; P > 0.05). In addition, the model for weaning weight included calf age at weaning as a covariate. Birth weights and average daily gains of Akaushi-, Angus- and Brahman-sired calves were similar (P > 0.05). In contrast, Angus-sired calves were heavier (P < 0.05) at weaning than Akaushi- and Brahman-sired calves. Calves out of Brown Swiss x Zebu dams had higher (P < 0.05) pre-weaning average daily gains than calves out of Beefmaster dams. Angus-sired calves performed better at weaning.
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Affiliation(s)
- Alejandro Yáñez-Muñoz
- Instituto Nacional de Investigaciones Forestales, Agrícolas y Pecuarias (INIFAP), Campo Experimental Tecomán, Colima, México
| | | | | | - Ángel Ríos-Utrera
- Universidad Veracruzana, Facultad de Medicina Veterinaria y Zootecnia, Veracruz, México.
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11
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Zoda A, Ogawa S, Kagawa R, Tsukahara H, Obinata R, Urakawa M, Oono Y. Single-Step Genomic Prediction of Superovulatory Response Traits in Japanese Black Donor Cows. BIOLOGY 2023; 12:biology12050718. [PMID: 37237533 DOI: 10.3390/biology12050718] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/19/2023] [Revised: 05/11/2023] [Accepted: 05/12/2023] [Indexed: 05/28/2023]
Abstract
We assessed the performance of single-step genomic prediction of breeding values for superovulatory response traits in Japanese Black donor cows. A total of 25,332 records of the total number of embryos and oocytes (TNE) and the number of good embryos (NGE) per flush for 1874 Japanese Black donor cows were collected during 2008 and 2022. Genotype information on 36,426 autosomal single-nucleotide polymorphisms (SNPs) for 575 out of the 1,874 cows was used. Breeding values were predicted exploiting a two-trait repeatability animal model. Two genetic relationship matrices were used, one based on pedigree information (A matrix) and the other considering both pedigree and SNP marker genotype information (H matrix). Estimated heritabilities of TNE and NGE were 0.18 and 0.11, respectively, when using the H matrix, which were both slightly lower than when using the A matrix (0.26 for TNE and 0.16 for NGE). Estimated genetic correlations between the traits were 0.61 and 0.66 when using H and A matrices, respectively. When the variance components were the same in breeding value prediction, the mean reliability was greater when using the H matrix than when using the A matrix. This advantage seems more prominent for cows with low reliability when using the A matrix. The results imply that introducing single-step genomic prediction could boost the rate of genetic improvement of superovulatory response traits, but efforts should be made to maintain genetic diversity when performing selection.
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Affiliation(s)
- Atsushi Zoda
- Research and Development Group, Zen-noh Embryo Transfer Center, Kamishihoro 080-1407, Japan
| | - Shinichiro Ogawa
- Division of Meat Animal and Poultry Research, Institute of Livestock and Grassland Science, National Agriculture and Food Research Organization (NARO), Tsukuba 305-0901, Japan
| | - Rino Kagawa
- Research and Development Group, Zen-noh Embryo Transfer Center, Kamishihoro 080-1407, Japan
| | - Hayato Tsukahara
- Research and Development Group, Zen-noh Embryo Transfer Center, Kamishihoro 080-1407, Japan
| | - Rui Obinata
- Research and Development Group, Zen-noh Embryo Transfer Center, Kamishihoro 080-1407, Japan
| | - Manami Urakawa
- Research and Development Group, Zen-noh Embryo Transfer Center, Kamishihoro 080-1407, Japan
| | - Yoshio Oono
- Research and Development Group, Zen-noh Embryo Transfer Center, Kamishihoro 080-1407, Japan
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12
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Pannier L, van de Weijer TM, van der Steen FTHJ, Kranenbarg R, Gardner GE. Prediction of chemical intramuscular fat and visual marbling scores with a conveyor vision scanner system on beef portion steaks. Meat Sci 2023; 199:109141. [PMID: 36827827 DOI: 10.1016/j.meatsci.2023.109141] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2022] [Revised: 12/30/2022] [Accepted: 02/12/2023] [Indexed: 02/16/2023]
Abstract
This study describes the performance of a Marel conveyer vision scanner, across beef carcases (n = 102) from a wide visual marbling score range, in its ability to predict chemical intramuscular fat (IMF%), Meat Standards Australia (MSA) and AUS-MEAT marbling scores of portion steaks. Vision scanner marbling scores were acquired on fresh-cut steaks, with its predictions tested using a leave-one-out cross validation method, which demonstrated precise and accurate predictions of IMF% (R2 = 0.87; RMSEP = 1.16; slope = 0.09; bias = 0.22), MSA (R2 = 0.82; RMSEP = 70.11; slope = 0.09; bias = 17.08) and AUS-MEAT marbling (R2 = 0.79; RMSEP = 0.75; slope = 0.16; bias = 0.08). Care must be taken when calibrating devices on non-fresh-cut steak, as fresh-cut steaks produced different vision scanner marbling values suggesting different prediction equations are warranted. The Marel vision scanner prediction of visual grader scores was relatively less precise and accurate than its prediction of IMF%, however in this case it may have been due to error in the grader scores.
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Affiliation(s)
- L Pannier
- Murdoch University, College of Science, Health, Engineering and Education, Western Australia 6150, Australia.
| | | | | | - R Kranenbarg
- Marel Meat B.V., Handelstraat 3, 5830AD, Boxmeer, the Netherlands
| | - G E Gardner
- Murdoch University, College of Science, Health, Engineering and Education, Western Australia 6150, Australia
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13
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Vázquez-Mosquera JM, Fernandez-Novo A, de Mercado E, Vázquez-Gómez M, Gardon JC, Pesántez-Pacheco JL, Revilla-Ruiz Á, Patrón-Collantes R, Pérez-Solana ML, Villagrá A, Martínez D, Sebastián F, Pérez-Garnelo SS, Astiz S. Beef Nutritional Characteristics, Fat Profile and Blood Metabolic Markers from Purebred Wagyu, Crossbred Wagyu and Crossbred European Steers Raised on a Fattening Farm in Spain. Animals (Basel) 2023; 13:ani13050864. [PMID: 36899723 PMCID: PMC10000121 DOI: 10.3390/ani13050864] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2023] [Revised: 02/20/2023] [Accepted: 02/21/2023] [Indexed: 03/06/2023] Open
Abstract
A high intramuscular fat content characterizes Wagyu (WY) cattle breed. Our objective was to compare beef from WY, WY-by-Angus, or Wangus (WN) steers with European, Angus-by-Charolais-Limousine crossbred steers (ACL), considering metabolic biomarkers pre-slaughtering and nutritional characteristics, including health-related indexes of the lipid fraction. The fattening system with olein-rich diets and no exercise restriction included 82 steers, 24 WY, 29 WN, and 29 ACL. The slaughter ages and weights were (median and interquartile range) 38.4 mo.-old (34.9-40.3 mo.) and 840 kg (785-895 kg) for WY; for WN, 30.6 mo. (26.9-36.5 mo.) and 832 kg (802-875 kg), and for ACL steers, 20.3 mo.-old (19.0-22.7 mo.) and 780 kg (715-852 kg). Blood lipid-related metabolites, except for non-esterified fatty acids (NEFA) and low-density level cholesterol (LDL), were higher in WY and WN than in ACL, while glucose was lower in WY and WN. Leptin was higher in WN than in ACL. Pre-slaughtering values of plasma HDL underscored as a possible metabolic biomarker directly related to beef quality. The amino-acid content in beef did not differ among experimental groups, except for more crude protein in ACL. Compared to ACL, WY steers showed higher intramuscular fat in sirloin (51.5 vs. 21.9%) and entrecote (59.6 vs. 27.6%), more unsaturated fatty acids in entrecote (55.8 vs. 53.0%), and more oleic acid in sirloin (46 vs. 41.3%) and entrecote (47.5 vs. 43.3%). Compared to ACL entrecote, WY and WN showed better atherogenic (0.6 and 0.55 vs. 0.69), thrombogenicity (0.82 and 0.92 vs. 1.1), and hypocholesterolemic/hypercholesterolemic index (1.9 and 2.1 vs. 1.7). Therefore, beef's nutritional characteristics depend on breed/crossbred, slaughtering age and cut, with WY and WN entrecote samples showing a healthier lipid fraction.
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Affiliation(s)
- Juan M. Vázquez-Mosquera
- Medicine and Surgery Department, Veterinary Faculty, Complutense University of Madrid, Puerta de Hierro Avenue s/n, 28040 Madrid, Spain
| | - Aitor Fernandez-Novo
- Department of Veterinary Medicine, School of Biomedical and Health Sciences, Universidad Europea de Madrid, C/Tajo s/n, 28670 Villaviciosa de Odón, Spain
| | - Eduardo de Mercado
- Animal Reproduction Department, National Institute of Agronomic Research (INIA-CSIC), Puerta de Hierro Avenue s/n, 28040 Madrid, Spain
| | - Marta Vázquez-Gómez
- Nutrition and Obesities: Systemic Approaches Research Unit (NutriOmics), Institut national de la santé et de la recherche médicale (INSERM), Sorbonne Université, 75006 Paris, France
| | - Juan C. Gardon
- Department of Animal Medicine and Surgery, Veterinary and Experimental Sciences School, Catholic University of Valencia-San Vicente Mártir, Guillem de Castro, 94, 46001 Valencia, Spain
| | - José L. Pesántez-Pacheco
- School of Veterinary Medicine and Zootechnics, Faculty of Agricultural Sciences, University of Cuenca, Doce de Octubre Avenue, Cuenca 010150, Ecuador
| | - Ángel Revilla-Ruiz
- Medicine and Surgery Department, Veterinary Faculty, Complutense University of Madrid, Puerta de Hierro Avenue s/n, 28040 Madrid, Spain
| | - Raquel Patrón-Collantes
- Medicine and Surgery Department, Veterinary Faculty, Complutense University of Madrid, Puerta de Hierro Avenue s/n, 28040 Madrid, Spain
| | - Maria L. Pérez-Solana
- Animal Reproduction Department, National Institute of Agronomic Research (INIA-CSIC), Puerta de Hierro Avenue s/n, 28040 Madrid, Spain
| | - Arantxa Villagrá
- Institut Valencià d’Investigacions Agràries (IVIA), CV-315, Km 10,7, 46113 Valencia, Spain
| | - Daniel Martínez
- Embriovet SL, Polígono Industrial de Piadela II-8, 15300 Betanzos, Spain
| | | | - Sonia S. Pérez-Garnelo
- Animal Reproduction Department, National Institute of Agronomic Research (INIA-CSIC), Puerta de Hierro Avenue s/n, 28040 Madrid, Spain
| | - Susana Astiz
- Animal Reproduction Department, National Institute of Agronomic Research (INIA-CSIC), Puerta de Hierro Avenue s/n, 28040 Madrid, Spain
- Correspondence: ; Tel.: +34-913474020
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14
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Sasaki S, Haga Y, Wakaguri H, Abe K, Suzuki Y. De Novo Genome Assembly of Japanese Black Cattle as Model of an Economically Relevant Animal. Methods Mol Biol 2023; 2632:41-55. [PMID: 36781720 DOI: 10.1007/978-1-0716-2996-3_4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/15/2023]
Abstract
A genetic analysis of Japanese Black cattle using short reads and guided by the reference genome from Western breeds would miss the structural variation and/or other unique characteristics of Japanese Black cattle. To overcome this difficulty, a de novo genome assembly independent from the reference genome is required. This chapter describes the technical developments, with respect to both experimental and bioinformatics procedures, including the use of short and long reads, required for de novo genome assembly of Japanese Black cattle.
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Affiliation(s)
- Shinji Sasaki
- University of the Ryukyus, Faculty of Agriculture, Okinawa, Japan.,United Graduate School of Agricultural Sciences, Kagoshima University, Kagoshima, Japan
| | - Yasuhiko Haga
- Department of Computational Biology and Medical Sciences, Graduate School of Frontier Sciences, The University of Tokyo, Chiba, Japan
| | - Hiroyuki Wakaguri
- Department of Computational Biology and Medical Sciences, Graduate School of Frontier Sciences, The University of Tokyo, Chiba, Japan
| | - Kazumi Abe
- Department of Computational Biology and Medical Sciences, Graduate School of Frontier Sciences, The University of Tokyo, Chiba, Japan
| | - Yutaka Suzuki
- Department of Computational Biology and Medical Sciences, Graduate School of Frontier Sciences, The University of Tokyo, Chiba, Japan.
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15
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Ogawa S, Zoda A, Kagawa R, Obinata R. Comparing Methods to Select Candidates for Re-Genotyping to Impute Higher-Density Genotype Data in a Japanese Black Cattle Population: A Case Study. Animals (Basel) 2023; 13:ani13040638. [PMID: 36830425 PMCID: PMC9951718 DOI: 10.3390/ani13040638] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2022] [Revised: 02/04/2023] [Accepted: 02/10/2023] [Indexed: 02/15/2023] Open
Abstract
As optimization methods to identify the best animals for dense genotyping to construct a reference population for genotype imputation, the MCA and MCG methods, which use the pedigree-based additive genetic relationship matrix (A matrix) and the genomic relationship matrix (G matrix), respectively, have been proposed. We assessed the performance of MCA and MCG methods using 575 Japanese Black cows. Pedigree data were provided to trace back up to five generations to construct the A matrix with changing the pedigree depth from 1 to 5 (five MCA methods). Genotype information on 36,426 single-nucleotide polymorphisms was used to calculate the G matrix based on VanRaden's methods 1 and 2 (two MCG methods). The MCG always selected one cow per iteration, while MCA sometimes selected multiple cows. The number of commonly selected cows between the MCA and MCG methods was generally lower than that between different MCA methods or between different MCG methods. For the studied population, MCG appeared to be more reasonable than MCA in selecting cows as a reference population for higher-density genotype imputation to perform genomic prediction and a genome-wide association study.
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Affiliation(s)
- Shinichiro Ogawa
- Division of Meat Animal and Poultry Research, Institute of Livestock and Grassland Science, National Agriculture and Food Research Organization (NARO), Tsukuba 305-0901, Japan
- Correspondence: ; Tel.: +81-29-838-8627
| | - Atsushi Zoda
- Research and Development Group, Zen-Noh Embryo Transfer Center, Kamishihoro 080-1407, Japan
| | - Rino Kagawa
- Research and Development Group, Zen-Noh Embryo Transfer Center, Kamishihoro 080-1407, Japan
| | - Rui Obinata
- Research and Development Group, Zen-Noh Embryo Transfer Center, Kamishihoro 080-1407, Japan
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16
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Murato Y, Hayama Y, Kondo S, Sawai K, Yamaguchi E, Yamamoto T. Region-wise analysis of beef cow movements in Japan. Front Vet Sci 2023; 10:1012978. [PMID: 36816180 PMCID: PMC9932799 DOI: 10.3389/fvets.2023.1012978] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2022] [Accepted: 01/16/2023] [Indexed: 02/05/2023] Open
Abstract
Animal movement is an important factor in the transmission of animal infectious diseases. A better understanding of movement patterns is therefore necessary for developing effective control measures against disease spread. In Japan, a cattle tracing system was established in 2003, following a bovine spongiform encephalopathy epidemic, and the information on all cattle movements has been stored in a national database maintained by the National Livestock Breeding Center. Using these data, we previously analyzed the movement of dairy cows, concluding that heterogeneities in cattle movement are associated with regional and seasonal factors. In the present study, we aimed to identify specific factors affecting the regional and seasonal movement patterns of beef cows in Japan. From April 2012 to March 2017, 797,553 farm-to-farm movement events were recorded. We analyzed movements by month and by cattle age and looked at the frequency of movement within and between seven regions spanning the national territory. Our results show that calf movement peaked at 9-10 months old; these movements were considered to be via the market and were frequent within and between regions. For inter-regional movements, Kyushu region was the top producer of calves for calf trading markets throughout Japan. With regard to intra-regional movements, round-trip movements for summer grazing were observed in May and October for cattle of various ages in the northern regions, especially Hokkaido and Tohoku. Moreover, the movements of Japanese Shorthorn breeds in Tohoku region exhibited consistent annual peaks in May and October/November, in accordance with their seasonal breeding practice. In the areas with high relative densities of dairy cows, such as Hokkaido, the shipping of newborn beef calves produced via embryo transfer to dairy cows was also observed. Overall, understanding the patterns of beef cow movement will help develop effective disease surveillance measures, such as pre-movement inspections focused on specific regions and types of movement.
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17
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Baik M, Lee J, Kim SY, Ranaweera KKTN. - Invited Review - Factors affecting beef quality and nutrigenomics of intramuscular adipose tissue deposition. Anim Biosci 2023; 36:350-363. [PMID: 36634658 PMCID: PMC9899583 DOI: 10.5713/ab.22.0380] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2022] [Accepted: 12/21/2022] [Indexed: 01/14/2023] Open
Abstract
Beef quality is characterized by marbling (marbling degree and marbling fineness), physiochemical (shear force, meat color, fat color, texture, and maturity), and sensory (tenderness, flavor, juiciness, taste, odor, and appearance) traits. This paper summarizes and addresses beef-quality characteristics and the beef-grading systems in Korea, Japan, the USA, and Australia. This paper summarizes recent research progresses on the genetic and nutritional factors that affect beef quality. Intramuscular (i.m.) adipose tissue deposition or marbling is a major determinant of beef quality. This paper addresses the mechanisms of i.m. adipose tissue deposition focused on adipogenesis and lipogenesis. We also address selected signaling pathways associated with i.m. adipose tissue deposition. Nutrients contribute to the cellular response and phenotypes through gene expression and metabolism. This paper addresses control of gene expression through several nutrients (carbohydrates, fat/fatty acids, vitamins, etc.) for i.m. adipose tissue deposition. Several transcription factors responsible for gene expression via nutrients are addressed. We introduce the concept of genome-based precision feeding in Korean cattle.
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Affiliation(s)
- Myunggi Baik
- Department of Agricultural Biotechnology and Research Institute of Agriculture and Life Sciences, Seoul National University, Seoul 08826,
Korea,Institute of Green-Bio Science and Technology, Seoul National University, Pyeongchang 25354,
Korea,Corresponding Author: Myunggi Baik, Tel: +82-2-880-4809, Fax: +82-2-873-2271, E-mail:
| | - Jaesung Lee
- Department of Agricultural Biotechnology and Research Institute of Agriculture and Life Sciences, Seoul National University, Seoul 08826,
Korea
| | - Sang Yeob Kim
- Department of Agricultural Biotechnology and Research Institute of Agriculture and Life Sciences, Seoul National University, Seoul 08826,
Korea
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18
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Jaborek JR, Fluharty FL, Zerby HN, Relling AE. Growth performance, carcass characteristics, and fatty acid composition of Angus- and Wagyu-sired finishing cattle fed for a similar days on feed or body weight endpoint. J Anim Sci 2023; 101:skac343. [PMID: 36592748 PMCID: PMC9831106 DOI: 10.1093/jas/skac343] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2022] [Accepted: 10/17/2022] [Indexed: 01/04/2023] Open
Abstract
This study evaluated the feedlot performance, carcass characteristics, and fatty acid (FA) composition of Wagyu-sired and Angus-sired cattle at a similar days on feed (D) or body weight (B) endpoint. Wagyu-sired steers and heifers (WA) from two different sires, selected for either growth (G) or marbling (M), were compared with Angus-sired steers (AN, n = 13) in two independent incomplete-block design experiments at a similar days on feed (DOF; WA-GD, n = 9; WA-MD, n = 12) in experiment 1 or similar final body weight (BW; WA-GB, n = 9; WA-MB, n = 13) in experiment 2. Cattle were offered a corn silage-based growing diet for 119 d before being transitioned over 3 wk to a finishing diet. Data were analyzed as a randomized incomplete block design. In experiment 1, AN and WA-GD cattle had a greater (P < 0.01) off-test BW and average daily gain (ADGP < 0.04) than WA-MD cattle and AN had a greater dry matter intake (DMI; P < 0.02) than WA-GD and WA-MD cattle. The AN and WA-GD cattle had a greater carcass weight (P < 0.02) than WA-MD cattle. Percent kidney, pelvic, and heart fat (KPH) was greatest (P < 0.01) for WA-MD cattle, followed by WA-GD cattle, and lastly AN cattle. Total lipid (P < 0.03) and polyunsaturated FA (PUFA; P < 0.01) percentage were greater for WA-MD-cattle than AN and WA-GD cattle, as they tended (P = 0.11) to have the greatest 12th rib marbling score. In experiment 2, AN-cattle needed fewer (P < 0.01) DOF and had a greater (P ≤ 0.02) ADG, DMI, and gain:feed than WA-GB- and WA-MB-cattle. The WA-MB-cattle had a greater (P < 0.01) 12th and 6th rib marbling score, USDA quality grade, and 6th rib backfat thickness than AN-cattle. Compared with AN cattle, WA-GB cattle had a greater (P ≤ 0.01) percent KPH and lesser (P ≤ 0.03) rib thickness. The WA-MB-cattle had a greater (P ≤ 0.01) concentration of total lipid and PUFA than AN- and WA-GB-cattle, and lesser saturated FA (SFA; P < 0.01) concentration than AN-cattle in the longissimus muscle (LM). The 6th rib location of the LM had a greater (P ≤ 0.01) percentage of total lipid and SFA, but less (P < 0.03) MUFA compared with the 12th rib location. In conclusion, Wagyu-sired cattle selected for marbling potential had a lesser ADG, DMI, more marbling, more PUFA, and less SFA in the LM than Angus-sired cattle regardless of slaughter endpoint. Wagyu-sired cattle selected for growth potential had a similar ADG and carcass characteristics compared with Angus-sired cattle when fed for a similar number of days on feed.
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Affiliation(s)
- Jerad R Jaborek
- Department of Animal Sciences, The Ohio State University, Columbus, OH 43210, USA
- Currently with Michigan State University Extension—Sanilac County, Sandusky, MI 48471, USA
| | - Franics L Fluharty
- Department of Animal and Dairy Science, University of Georgia, Athens, GA 30602, USA
| | | | - Alejandro E Relling
- Department of Animal Sciences, The Ohio State University, Wooster, OH 44691, USA
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19
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Oyamada Y, Iizasa E, Usa A, Otomaru K. 1,25-Dihydroxyvitamin D 3 potentiates the innate immune response of peripheral blood mononuclear cells from Japanese Black cattle. Anim Sci J 2023; 94:e13906. [PMID: 38110290 DOI: 10.1111/asj.13906] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2023] [Revised: 11/14/2023] [Accepted: 11/22/2023] [Indexed: 12/20/2023]
Abstract
1,25-Dihydroxyvitamin D3 (1,25(OH)2 D3 ), a bioactive vitamin D, is known to regulate immune responses in mammals. However, its impact on the innate immune responses of Japanese Black cattle, which are beef cattle endemic to Japan, remains unknown. Thus, in this study, we investigated the effect of 1,25(OH)2 D3 on the immune responses of peripheral blood mononuclear cells from Japanese Black cattle. As a result, the treatment of 1,25(OH)2 D3 upregulated the expression of antibacterial peptides, bovine beta-defensin 10 (DEFB10), and lingual antimicrobial peptide (LAP), in the presence and absence of lipopolysaccharide (LPS) stimulation. Moreover, 1,25(OH)2 D3 enhanced the inflammatory responses, including C-X-C motif ligand 8 (CXCL8) and nitric oxide synthase (NOS2), while reducing the expression of anti-inflammatory cytokine IL10, leading to an inflammatory phenotype. However, in contrast to humans and mice, 1,25(OH)2 D3 did not alter the expression of tumor necrosis factor (TNF) and downregulated triggering receptor expressed on myeloid cell 1 (TREM1) with LPS treatment. These results suggest that 1,25(OH)2 D3 potentiates the innate immune responses of Japanese Black cattle, albeit with different effects and mechanisms as compared to humans and mice.
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Affiliation(s)
- Youki Oyamada
- Division of Psychosomatic Internal Medicine, Department of Social and Behavioral Medicine, Graduate School of Medical and Dental Sciences, Kagoshima University, Kagoshima, Japan
| | - Ei'ichi Iizasa
- Division of Psychosomatic Internal Medicine, Department of Social and Behavioral Medicine, Graduate School of Medical and Dental Sciences, Kagoshima University, Kagoshima, Japan
| | - Amane Usa
- Joint Faculty of Veterinary Medicine, Kagoshima University, Kagoshima, Japan
| | - Konosuke Otomaru
- Joint Faculty of Veterinary Medicine, Kagoshima University, Kagoshima, Japan
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20
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RNA-Seq Analysis Identifies Differentially Expressed Genes in the Longissimus dorsi of Wagyu and Chinese Red Steppe Cattle. Int J Mol Sci 2022; 24:ijms24010387. [PMID: 36613828 PMCID: PMC9820533 DOI: 10.3390/ijms24010387] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2022] [Revised: 12/08/2022] [Accepted: 12/16/2022] [Indexed: 12/29/2022] Open
Abstract
Meat quality has a close relationship with fat and connective tissue; therefore, screening and identifying functional genes related to lipid metabolism is essential for the production of high-grade beef. The transcriptomes of the Longissimus dorsi muscle in Wagyu and Chinese Red Steppe cattle, breeds with significant differences in meat quality and intramuscular fat deposition, were analyzed using RNA-seq to screen for candidate genes associated with beef quality traits. Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) enrichment analysis showed that the 388 differentially expressed genes (DEGs) were involved in biological processes such as short-chain fatty acid metabolism, regulation of fatty acid transport and the peroxisome proliferator-activated receptor (PPAR) signaling pathway. In addition, crystallin alpha B (CRYAB), ankyrin repeat domain 2 (ANKRD2), aldehyde dehydrogenase 9 family member A1 (ALDH9A1) and enoyl-CoA hydratase and 3-hydroxyacyl CoA dehydrogenase (EHHADH) were investigated for their effects on intracellular triglyceride and fatty acid content and their regulatory effects on genes in lipogenesis and fatty acid metabolism pathways. This study generated a dataset from transcriptome profiling of two cattle breeds, with differing capacities for fat-deposition in the muscle, and revealed molecular evidence that CRYAB, ANKRD2, ALDH9A1 and EHHADH are related to fat metabolism in bovine fetal fibroblasts (BFFs). The results provide potential functional genes for maker-assisted selection and molecular breeding to improve meat quality traits in beef cattle.
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21
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Ogawa S, Taniguchi Y, Watanabe T, Iwaisaki H. Fitting Genomic Prediction Models with Different Marker Effects among Prefectures to Carcass Traits in Japanese Black Cattle. Genes (Basel) 2022; 14:24. [PMID: 36672767 PMCID: PMC9859149 DOI: 10.3390/genes14010024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Revised: 12/16/2022] [Accepted: 12/20/2022] [Indexed: 12/25/2022] Open
Abstract
We fitted statistical models, which assumed single-nucleotide polymorphism (SNP) marker effects differing across the fattened steers marketed into different prefectures, to the records for cold carcass weight (CW) and marbling score (MS) of 1036, 733, and 279 Japanese Black fattened steers marketed into Tottori, Hiroshima, and Hyogo prefectures in Japan, respectively. Genotype data on 33,059 SNPs was used. Five models that assume only common SNP effects to all the steers (model 1), common effects plus SNP effects differing between the steers marketed into Hyogo prefecture and others (model 2), only the SNP effects differing between Hyogo steers and others (model 3), common effects plus SNP effects specific to each prefecture (model 4), and only the effects specific to each prefecture (model 5) were exploited. For both traits, slightly lower values of residual variance than that of model 1 were estimated when fitting all other models. Estimated genetic correlation among the prefectures in models 2 and 4 ranged to 0.53 to 0.71, all <0.8. These results might support that the SNP effects differ among the prefectures to some degree, although we discussed the necessity of careful consideration to interpret the current results.
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Affiliation(s)
- Shinichiro Ogawa
- Graduate School of Agriculture, Kyoto University, Kyoto 606-8502, Japan
- Division of Meat Animal and Poultry Research, Institute of Livestock and Grassland Science, Tsukuba 305-0901, Japan
| | - Yukio Taniguchi
- Graduate School of Agriculture, Kyoto University, Kyoto 606-8502, Japan
| | - Toshio Watanabe
- National Livestock Breeding Center, Fukushima 961-8511, Japan
- Maebashi Institute of Animal Science, Livestock Improvement Association of Japan, Inc., Maebashi 371-0121, Japan
| | - Hiroaki Iwaisaki
- Graduate School of Agriculture, Kyoto University, Kyoto 606-8502, Japan
- Sado Island Center for Ecological Sustainability, Niigata University, Niigata 952-0103, Japan
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22
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Fatty Acid and Micronutrient Profile of Longissimus Lumborum from Red Angus and Red Angus x Akaushi Cattle Finished on Grass or Grain. Foods 2022; 11:foods11213451. [PMID: 36360064 PMCID: PMC9656263 DOI: 10.3390/foods11213451] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2022] [Revised: 10/21/2022] [Accepted: 10/28/2022] [Indexed: 12/02/2022] Open
Abstract
Cattle diet and breed modify the nutritional profile of beef. The objective of this study was to compare the fatty acid (FA) and micronutrient profiles of Red Angus (RA) and RA x Akaushi (AK) crossbreed steers fed either a grass or grain diet. This two-year study randomly assigned steers to the diets using a 2 × 2 factorial experiment. FAs and micronutrients were analyzed. Diet effect was the strongest with grass-finished beef being higher in n-3 polyunsaturated FAs (p < 0.001), conjugated linoleic acid (p < 0.05), vaccenic acid (p < 0.05), iron (p < 0.001), and vitamin E (p < 0.001) compared to grain-finished beef. Breed effects were observed for lauric and myristic acids (p < 0.05), selenium (p < 0.05), and zinc (p < 0.01) with AK containing more of these compounds than RA. Diet × breed effects were non-existent. These results indicate that diet has a stronger influence than breed on modifying the nutritional profile of beef. Because of a more favorable FA and antioxidant profile, consumption of grass-finished beef could benefit human health.
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Meat Quality and Muscle Tissue Proteome of Crossbred Bulls Finished under Feedlot Using Wet Distiller Grains By-Product. Foods 2022. [PMCID: PMC9602256 DOI: 10.3390/foods11203233] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/05/2022] Open
Abstract
Wet distiller grains (WDG) are a corn by-product rich in protein and fiber that can be used in feedlot diets. This study evaluated F1 Angus-Nellore bulls fed on a control diet vs. WDG (n = 25/treatment). After a period of 129 days on these feeds, the animals were slaughtered and Longissimus thoracis samples were collected for both a meat quality evaluation and gel-based proteomic analyses. A greater ribeye area (99.47 cm²) and higher carcass weight (333.6 kg) (p < 0.05) were observed in the WDG-finished cattle compared to the control (80.7 cm²; 306.3 kg). Furthermore, there were differences (p < 0.05) in the intramuscular fat between the WDG and control animals (IMF = 2.77 vs. 4.19%), which led to a significant decrease (p < 0.05) in saturated fatty acids (FA). However, no differences (p > 0.10) were observed in terms of tenderness, evaluated using Warner–Bratzler shear force (WBSF). The proteomic and bioinformatic analyses revealed substantial changes in the biological processes, molecular functions, and cellular components of the WDG-finished cattle compared to the control. Proteins related to a myriad of interconnected pathways, such as contractile and structural pathways, energy metabolism, oxidative stress and cell redox homeostasis, and transport and signaling. In this experiment, the use of WDG supplementation influenced the protein expression of several proteins, some of which are known biomarkers of beef quality (tenderness and color), as well as the protein–protein interactions that can act as the origins of increases in muscle growth and reductions in IMF deposition. However, despite the effects on the proteome, the tenderness, evaluated by WBSF, and fatty acid profile were not compromised by WDG supplementation.
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Sasaki K, Motoyama M, Watanabe G, Nakajima I. Meat consumption and consumer attitudes in Japan: An overview. Meat Sci 2022; 192:108879. [DOI: 10.1016/j.meatsci.2022.108879] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2022] [Revised: 05/30/2022] [Accepted: 06/01/2022] [Indexed: 10/18/2022]
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Bischof G, Witte F, Terjung N, Heinz V, Juadjur A, Gibis M. Metabolic, proteomic and microbial changes postmortem and during beef aging. Crit Rev Food Sci Nutr 2022; 64:1076-1109. [PMID: 36004604 DOI: 10.1080/10408398.2022.2113362] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
The purpose of this review is to provide an overview of the current knowledge about proteomic and metabolic changes in beef, the microbiological alteration postmortem and during aging, and observe the influence on beef quality parameters, such as tenderness, taste and flavor. This review will also focus on the different aging types (wet- and dry-aging), the aging or postmortem time of beef and their effect on the proteome and metabolome of beef. The Ca2+ homeostasis and adenosine 5'-triphosphate breakdown are the main reactions in the pre-rigor phase. After rigor mortis, the enzymatic degradation of connective tissues and breakdown of energy metabolism dominate molecular changes in beef. Important metabolic processes leading to the formation of saccharides, nucleotides, organic acids (e.g. lactic acid), creatine and fatty acids are considered in this context as possible flavor precursors or formers of beef flavor and taste. Flavor precursors are substrates for lipid oxidation, Strecker degradation and Maillard reaction during cooking or roasting. The findings presented should serve as a basis for a better understanding of beef aging and its molecular effects and are intended to contribute to meeting the challenges of improving beef quality.
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Affiliation(s)
- Greta Bischof
- Chemical Analytics, German Institute of Food Technologies (DIL e.V.), Quakenbrück, Germany
- Department of Food Material Science, Institute of Food Science and Biotechnology, University of Hohenheim, Stuttgart, Germany
| | - Franziska Witte
- Product Innovation, German Institute of Food Technologies (DIL e.V.), Quakenbrück, Germany
| | - Nino Terjung
- Product Innovation, DIL Technology GmbH, Quakenbrück, Germany
| | - Volker Heinz
- Research Directorate, German Institute of Food Technologies (DIL e.V.), Quakenbrück, Germany
| | - Andreas Juadjur
- Chemical Analytics, German Institute of Food Technologies (DIL e.V.), Quakenbrück, Germany
| | - Monika Gibis
- Department of Food Material Science, Institute of Food Science and Biotechnology, University of Hohenheim, Stuttgart, Germany
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Application of Mass Spectrometry for Determining the Geographic Production Area of Wagyu Beef. Metabolites 2022; 12:metabo12090777. [PMID: 36144182 PMCID: PMC9506216 DOI: 10.3390/metabo12090777] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2022] [Revised: 08/11/2022] [Accepted: 08/15/2022] [Indexed: 11/23/2022] Open
Abstract
Japanese Black cattle (Japanese Wagyu) beef is attracting attention for its aroma and marbling, and its handling is increasing worldwide. Here, we focused on the origin discrimination of Wagyu beef and analyzed the nutritional components of Japanese Wagyu (produced in multiple prefectures of Japan), Hybrid Wagyu (a cross between Angus and Wagyu cattle born in Australia and transported to Japan), and Australian Wagyu beef using mass spectrometry (MS). Triple-quadrupole liquid chromatography–MS was used to clarify the molecular species of lipids in Wagyu beef. Fourteen classes of lipids were separated, and 128 different triacylglycerides (TGs) were detected. A simple comparative analysis of these TGs using high-performance liquid chromatography revealed significantly higher levels of triolein (C18:1/C18:1/C18:1; abbreviated OOO) and C18:1/C18:1/C16:1 (OOPo) in Japanese Wagyu. Wagyu elements beef were comprehensively analyzed using inductively coupled plasma (ICP)–MS and ICP–optical emission spectrometry. We found significant differences in the rubidium, cesium, and lithium levels of Japanese and Australian Wagyu beef. On comparing metabolites using gas chromatography–MS, we identified significant differences in the levels of amino acids and other components of the Japanese and Australian Wagyu beef. These results suggest the possibility of determining the origin of Wagyu cattle breeds using MS and genetic discrimination.
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Otto JR, Mwangi FW, Pewan SB, Adegboye OA, Malau-Aduli AEO. Lipogenic Gene Single Nucleotide Polymorphic DNA Markers Associated with Intramuscular Fat, Fat Melting Point, and Health-Beneficial Omega-3 Long-Chain Polyunsaturated Fatty Acids in Australian Pasture-Based Bowen Genetics Forest Pastoral Angus, Hereford, and Wagyu Beef Cattle. Genes (Basel) 2022; 13:genes13081411. [PMID: 36011322 PMCID: PMC9407580 DOI: 10.3390/genes13081411] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2022] [Revised: 08/04/2022] [Accepted: 08/05/2022] [Indexed: 12/03/2022] Open
Abstract
This study used targeted sequencing aimed at identifying single nucleotide polymorphisms (SNP) in lipogenic genes and their associations with health-beneficial omega-3 long-chain polyunsaturated fatty acids (n-3 LC-PUFA), intramuscular fat (IMF), and fat melting point (FMP) of the M. longissimus dorsi muscle in Australian pasture-based Bowen Genetics Forest Pastoral Angus, Hereford, and Wagyu cattle. It was hypothesized that SNP encoding for the fatty acid-binding protein 4 (FABP4), stearoyl-CoA desaturase (SCD), and fatty acid synthase (FASN) genes will be significantly associated with health-beneficial n-3 LC-PUFA and the meat eating quality traits of IMF and FMP in an Australian pasture-based beef production system. Two SNP mutations, g.21267406 T>C and g.21271264 C>A, in the SCD gene were significantly (p < 0.05) associated with IMF, FMP, oleic acid (18:1n-9), linoleic acid (LA) 18:2n-6, alpha-linolenic acid (ALA) 18:3n-3, eicosapentaenoic acid (EPA) 20:5n-3, docosahexaenoic acid (DHA) 22:6-n-3, and docosapentaenoic acid (DPA) 22:5n-3. Significant positive correlations (p < 0.05) between FASN SNP g. 50787138 A>G and FMP, 18:1n-9, ALA, EPA, DHA, DPA, and total n-3 LC-PUFA were also detected. An SNP (g.44678794 G>A) in the FABP4 gene was associated with FMP. These results provide significant insights into the contributions of lipogenic genes to intramuscular fat deposition and the biosynthesis of health-beneficial n-3 LC-PUFA. The findings also unravel the potential use of lipogenic gene polymorphisms in marker-assisted selection to improve the content of health-promoting n-3 LC-PUFA and meat eating quality traits in Australian pasture-based Bowen Genetics Forest Pastoral Angus, Hereford, and Wagyu beef cattle.
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Affiliation(s)
- John R. Otto
- Animal Genetics and Nutrition, Veterinary Sciences Discipline, College of Public Health, Medical and Veterinary Sciences, Division of Tropical Health and Medicine, James Cook University, Townsville, QLD 4811, Australia
| | - Felista W. Mwangi
- Animal Genetics and Nutrition, Veterinary Sciences Discipline, College of Public Health, Medical and Veterinary Sciences, Division of Tropical Health and Medicine, James Cook University, Townsville, QLD 4811, Australia
| | - Shedrach B. Pewan
- Animal Genetics and Nutrition, Veterinary Sciences Discipline, College of Public Health, Medical and Veterinary Sciences, Division of Tropical Health and Medicine, James Cook University, Townsville, QLD 4811, Australia
- National Veterinary Research Institute, PMB 01, Vom 930001, Plateau State, Nigeria
| | - Oyelola A. Adegboye
- Public Health and Tropical Medicine Discipline, College of Public Health, Medical and Veterinary Sciences, Division of Tropical Health and Medicine, James Cook University, Townsville, QLD 4811, Australia
| | - Aduli E. O. Malau-Aduli
- Animal Genetics and Nutrition, Veterinary Sciences Discipline, College of Public Health, Medical and Veterinary Sciences, Division of Tropical Health and Medicine, James Cook University, Townsville, QLD 4811, Australia
- Correspondence: ; Tel.: +61-747-815-339
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Science and technology of meat and meat products in Japan-Pursuit of their palatability under the influence of Washoku, traditional Japanese cuisine. Meat Sci 2022; 192:108919. [PMID: 35901584 DOI: 10.1016/j.meatsci.2022.108919] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2022] [Revised: 07/05/2022] [Accepted: 07/15/2022] [Indexed: 11/23/2022]
Abstract
This review aimed to provide an overview of meat science and technology in Japan influenced by Washoku (traditional Japanese cuisine) from the aspect of meat palatability. The tradition of umami (savory taste) research would contribute to a better understanding of the mechanism of taste improvement by aging, processing, and feeding. Paying close attention to delicate food aroma in Washoku would facilitate finding preferable Wagyu beef aroma, as well as odor substances affecting human physiological conditions. Sticking to various food textures could potentially facilitate the research of heating gel of meat and enzymatic and nonenzymatic theories for meat tenderization. High-pressure studies of meat propose a novel approach to producing low-salt products. Raw ham, Lachs-type ham, might fascinate people due to its moist texture similar to that of raw fish. Methods to season traditional fake meat using plant materials in Washoku could give a hint for improving substituted meat flavor.
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Anne D, Thierry A, Keisuke S, Michiyo M. Transformation of highly marbled meats under various cooking processes. Meat Sci 2022; 189:108810. [PMID: 35381569 DOI: 10.1016/j.meatsci.2022.108810] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2021] [Revised: 02/25/2022] [Accepted: 03/21/2022] [Indexed: 10/18/2022]
Abstract
Cooking induces modifications in meat structure and composition, affecting its sensory and nutritional properties. These changes depend on the cooking method and meat characteristics. In the present study, beef were cooked in three different ways-grilling, boiling, and sous-vide cooking-with two endpoint temperatures, 55 °C and 77 °C, to better understand the general impact of cooking on the structure of fatty meat. Light microscopy was used to visualize muscle, connective, and adipose tissues. After cooking, muscle fibers were more compact, which can be attributed to perimysium shrinkage and water transfer, for all cooking processes except grilling at 55 °C. The cross-sectional area of muscle fibers was not impacted by cooking, regardless of the temperature or cooking method. Connective tissue between adipocytes was affected by cooking at 77 °C, but not at 55 °C. Despite the cooking method used, cooking to well-done (77 °C) clearly affected the structure of the perimysium of beef, possibly because of collagen denaturation.
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Affiliation(s)
- Duconseille Anne
- Institute of Livestock and Grassland Science, National Agriculture and Food Research Organization (NARO), Ikenodai 2, Tsukuba, Ibaraki 305-0901, Japan; Institut National de Recherche pour l'Agriculture, l'alimentation et l'Environnement (INRAE), QuaPA, F-63122 Saint-Genès-Champanelle, France
| | - Astruc Thierry
- Institut National de Recherche pour l'Agriculture, l'alimentation et l'Environnement (INRAE), QuaPA, F-63122 Saint-Genès-Champanelle, France
| | - Sasaki Keisuke
- Institute of Livestock and Grassland Science, National Agriculture and Food Research Organization (NARO), Ikenodai 2, Tsukuba, Ibaraki 305-0901, Japan
| | - Motoyama Michiyo
- Institute of Livestock and Grassland Science, National Agriculture and Food Research Organization (NARO), Ikenodai 2, Tsukuba, Ibaraki 305-0901, Japan.
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Comparison of Pure and Crossbred Japanese Black Steers in Growth Performance and Metabolic Features from Birth to Slaughter at a Spanish Fattening Farm. Animals (Basel) 2022; 12:ani12131671. [PMID: 35804572 PMCID: PMC9264784 DOI: 10.3390/ani12131671] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2022] [Revised: 06/17/2022] [Accepted: 06/26/2022] [Indexed: 11/27/2022] Open
Abstract
Simple Summary Cattle growth performance is a determinant of beef production. Nowadays, customers demand specialized, high-quality beef products produced according to stringent health and welfare standards. Intramuscular fat, or marbling, improves beef quality, and the Japanese Black (Wagyu) is the breed with the highest rates of marbling. Wagyu steers are reared under specific conditions in Japan, which may differ from the conditions in other countries, and these differences may affect animal well-being and, therefore, growth rates and beef quality. The current study shows that purebred Wagyu and crossbred Wagyu-by-Angus steers that were raised at a cow–calf operation and fattening system in Spain with no exercise restriction, high welfare, and a local diet high in olein content showed appropriate growth and fattening rates, health status, and metabolic development. Wagyu crossbred steers did not show substantially faster growth than purebred Wagyu animals, so they may not be as profitable as purebred Japanese Black in this type of production system. Abstract Japanese Black (Wagyu) cattle produce high-quality beef. However, whether Wagyu steers can be profitably raised under conditions different than the traditional Japanese ones remains unclear. From 2018 to 2020, we raised 262 Wagyu purebred steers, 103 Wagyu-by-Angus (Wangus) crossbred steers, and 43 Angus-by-European (ACL) crossbred steers on a Spanish farm with high welfare standards and a locally sourced, high-olein diet. Factors and factors’ interactions impacting steer growth were analyzed using generalized linear models. ACL steers grew faster than the other two groups, with Wangus showing intermediate fattening and muscle development. Average daily weight gains (kg/day) were 0.916 for Wagyu, 1.046 for Wangus, and 1.293 for ACL during the weaning to growing period, and 0.628 for Wagyu, 0.64 for Wangus, and 0.802 for ACL during the growing to fattening phase. ACL showed the lowest marbling rates. Wagyu and Wangus usually showed higher cholesterol, triglycerides, and high-density lipoprotein than ACL. ACL calves may experience greater stress at weaning, as suggested by higher glucose, lactate, and β-hydroxybutyrate than the other groups. The results suggest that Wagyu and Wangus steers showed adequate growth, health, and metabolic development in this type of production system, with Wagyu purebreds probably being more profitable than Wangus crossbreeds.
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Long F, Zhang Z, Chen J, Yang S, Tian Y, Mei C, Zhang W, Zan L, Tong B, Cheng G. The role of BBS2 in regulating adipogenesis and the association of its sequence variants with meat quality in Qinchuan cattle. Genomics 2022; 114:110416. [PMID: 35718089 DOI: 10.1016/j.ygeno.2022.110416] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2021] [Revised: 05/11/2022] [Accepted: 06/13/2022] [Indexed: 11/04/2022]
Abstract
The BBS2 gene plays a vital role in human obesity and fat deposition. However, little is known about it in beef cattle. Therefore, this study investigates the function of BBS2 in the fat deposition of beef cattle and screens the effective SNPs marker for meat quality traits in cattle breeding. The expression of BBS2 is negatively correlated with marbling ratios of beef cattle. Moreover, the knockdown of BBS2 promoted adipogenesis and lipid accumulation of bovine preadipocytes by stimulating PPARγ, FABP4, and FASN expression (P < 0.01). Four novel SNPs in the exons of BBS2 in Chinese Qinchuan cattle were identified and of which the g.24226239C > T (Q527), g.24223562G > A (V441I), and g.24227851A > G (Q627R) were significantly associated with the meat quality of Qinchuan cattle (P < 0.01, P < 0.05). The findings suggested that BBS2 could be used as a candidate gene for meat quality improvement in Qinchuan cattle. Furthermore, these genotypes can be exploited as molecular markers in future beef breeding projects.
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Affiliation(s)
- Feng Long
- College of Animal Science and Technology, Northwest A&F University, Yangling 712100, China
| | - Ziyi Zhang
- College of Animal Science and Technology, Northwest A&F University, Yangling 712100, China
| | - Jiayue Chen
- College of Animal Science and Technology, Northwest A&F University, Yangling 712100, China
| | - Sen Yang
- College of Animal Science and Technology, Northwest A&F University, Yangling 712100, China
| | - Yuan Tian
- College of Animal Science and Technology, Northwest A&F University, Yangling 712100, China
| | - Chugang Mei
- College of Animal Science and Technology, Northwest A&F University, Yangling 712100, China
| | - Wenzhen Zhang
- College of Animal Science and Technology, Northwest A&F University, Yangling 712100, China
| | - Linsen Zan
- College of Animal Science and Technology, Northwest A&F University, Yangling 712100, China; National Beef Cattle Improvement Centre, Yangling 712100, China
| | - Bin Tong
- The State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestock, School of Life Sciences, Inner Mongolia University, Hohhot 010070, China.
| | - Gong Cheng
- College of Animal Science and Technology, Northwest A&F University, Yangling 712100, China; National Beef Cattle Improvement Centre, Yangling 712100, China.
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Consumer Perception of Beef Quality and How to Control, Improve and Predict It? Focus on Eating Quality. Foods 2022; 11:foods11121732. [PMID: 35741930 PMCID: PMC9223083 DOI: 10.3390/foods11121732] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2022] [Revised: 05/31/2022] [Accepted: 06/07/2022] [Indexed: 12/12/2022] Open
Abstract
Quality refers to the characteristics of products that meet the demands and expectations of the end users. Beef quality is a convergence between product characteristics on one hand and consumers’ experiences and demands on the other. This paper reviews the formation of consumer beef quality perception, the main factors determining beef sensory quality, and how to measure and predict beef eating quality at scientific and industrial levels. Beef quality is of paramount importance to consumers since consumer perception of quality determines the decision to purchase and repeat the purchase. Consumer perception of beef quality undergoes a multi-step process at the time of purchase and consumption in order to achieve an overall value assessment. Beef quality perception is determined by a set of quality attributes, including intrinsic (appearance, safety, technological, sensory and nutritional characteristics, convenience) and extrinsic (price, image, livestock farming systems, commercial strategy, etc.) quality traits. The beef eating qualities that are the most valued by consumers are highly variable and depend mainly on the composition and characteristics of the original muscle and the post-mortem processes involved in the conversion of muscle into meat, the mechanisms of which are summarized in this review. Furthermore, in order to guarantee good quality beef for consumers in advance, the prediction of beef quality by combining different traits in scenarios where the animal, carcass, and muscle cuts can be evaluated is also discussed in the current review.
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Zoda A, Kagawa R, Obinata R, Urakawa M, Oono Y, Ogawa S, Uemoto Y, Satoh M. Genetic relationship between superovulatory response traits and carcass traits in Japanese Black cattle. Anim Sci J 2022; 93:e13731. [PMID: 35537852 DOI: 10.1111/asj.13731] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2022] [Revised: 03/30/2022] [Accepted: 04/07/2022] [Indexed: 11/30/2022]
Abstract
We estimated the genetic correlations between superovulatory response traits and carcass traits in Japanese Black cattle. As regards the superovulatory response traits in cows, we analyzed the phenotypic records of the total number of embryos and oocytes (TNE) and the number of good embryos (NGE) collected from 1532 donors between 2008 and 2018. As regards the carcass traits in fattened animals, we analyzed the phenotypic records for cold carcass weight, rib eye area, rib thickness, subcutaneous fat thickness, estimated yield percent, and marbling score for 1448 progenies derived from 596 donors and slaughtered between 2004 and 2020. Variance components were estimated using single-trait and two-trait animal models and the restricted maximum likelihood approach. The estimated genetic correlations with the carcass traits ranged from -0.05 to 0.04 for TNE and from -0.14 to 0.04 for NGE, and their standard errors ranged from 0.10 to 0.14. These results imply that the genetic relationship between the superovulatory response traits in Japanese Black donor cows and the carcass traits in their fattened progenies was weak to negligible. Therefore, we concluded that selecting donors with superior genetic ability for superovulatory responses would not have antagonistic effects on carcass performance in their fattened progenies.
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Affiliation(s)
- Atsushi Zoda
- Research and Development Group, Zen-noh Embryo Transfer Center, Kamishihoro, Hokkaido, Japan.,Graduate School of Agricultural Science, Tohoku University, Sendai, Miyagi, Japan
| | - Rino Kagawa
- Research and Development Group, Zen-noh Embryo Transfer Center, Kamishihoro, Hokkaido, Japan
| | - Rui Obinata
- Research and Development Group, Zen-noh Embryo Transfer Center, Kamishihoro, Hokkaido, Japan
| | - Manami Urakawa
- Research and Development Group, Zen-noh Embryo Transfer Center, Kamishihoro, Hokkaido, Japan
| | - Yoshio Oono
- Research and Development Group, Zen-noh Embryo Transfer Center, Kamishihoro, Hokkaido, Japan
| | - Shinichiro Ogawa
- Graduate School of Agricultural Science, Tohoku University, Sendai, Miyagi, Japan.,Division of Meat Animal and Poultry Research, Institute of Livestock and Grassland Science, NARO, Tsukuba, Ibaraki, Japan
| | - Yoshinobu Uemoto
- Graduate School of Agricultural Science, Tohoku University, Sendai, Miyagi, Japan
| | - Masahiro Satoh
- Graduate School of Agricultural Science, Tohoku University, Sendai, Miyagi, Japan
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Production of Hydroxy Fatty Acids, Precursors of γ-Hexalactone, Contributes to the Characteristic Sweet Aroma of Beef. Metabolites 2022; 12:metabo12040332. [PMID: 35448519 PMCID: PMC9028887 DOI: 10.3390/metabo12040332] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2022] [Revised: 03/28/2022] [Accepted: 03/30/2022] [Indexed: 02/07/2023] Open
Abstract
Aroma is an essential factor for meat quality. The meat of Japanese Black cattle exhibits fine marbling and a rich and sweet aroma with a characteristic lactone composition. The mechanism of lactone formation associated with beef aroma has not been elucidated. In this study, we examined the precursors of γ-hexalactone, an indicator of the sweet aroma of beef and identified the mechanism underlying γ-hexalactone production. A low-temperature vacuum system was used to prepare beef tallow from Japanese Black cattle and Holstein cattle. The odor components were identified using headspace–gas chromatography. The analysis revealed that γ-hexalactone, γ-dodecalactone, δ-tetradecalactone, and δ-hexadecalactone were present as sweet aroma components of beef tallow prepared from marbling and muscle. Since we previously reported that γ-hexalactone formation correlates with linoleic acid content in beef, we analyzed ten oxidized fatty acids derived from linoleic acid by liquid chromatography–triple quadrupole mass spectrometry and detected two hydroxy-octadecadienoic acids (9S-HODE and 13S-HODE) in beef tallow. Significant differences in arachidonic acid 15-lipoxygenase and cyclooxygenase protein expression levels among subcutaneous fat, intramuscular fat, and muscle tissue were observed. Our results suggest that the combination of linoleic acid and the expression of lipid oxidase derived from beef muscle and intramuscular fat produce hydroxy fatty acids that result in a sweet aroma.
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m6A Methylases Regulate Myoblast Proliferation, Apoptosis and Differentiation. Animals (Basel) 2022; 12:ani12060773. [PMID: 35327170 PMCID: PMC8944832 DOI: 10.3390/ani12060773] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2022] [Revised: 03/16/2022] [Accepted: 03/17/2022] [Indexed: 02/04/2023] Open
Abstract
Simple Summary N6-methyladenosine (m6A) is the most prevalent methylation modification in eukaryotic mRNA, and it plays an important role in regulating gene expression. Previous studies found that m6A methylation plays a role in mammalian skeletal muscle development. Skeletal muscle is an important factor that regulates livestock muscle quality and maintains metabolic homeostasis, and skeletal myogenesis is regulated by a series of transcription factors. However, the role of m6A in bovine skeletal myogenesis is unclear. In this study, we examined the expression patterns of the m6A methylase genes METTL3, METTL14, WTAP, FTO and ALKBH5 in bovine skeletal muscle tissue and during myogenesis in myoblasts. Furthermore, we used bovine skeletal muscle myoblasts as the object of study to discover the regulatory role of these genes in the process of skeletal myogenesis in vitro. Our findings indicate that these five m6A methylases have pronounced and diverse functions in regulating bovine skeletal myoblast proliferation, apoptosis and myogenic differentiation, which can contribute to further understanding the roles of m6A in skeletal muscle development. Abstract N6-methyladenosine (m6A) plays an important role in regulating gene expression. Previous studies found that m6A methylation affects skeletal muscle development. However, the effect of m6A methylases on bovine skeletal myogenesis is still unclear. Here, we found that the expression of m6A demethylases (FTO and ALKBH5) was significantly higher in the longissimus dorsi muscle of adult cattle than in newborn cattle. In contrast, the expression of m6A methyltransferases (METTL3, METTL14 and WTAP) was reduced. The mRNA expression of all five genes was found to be increased during the myogenesis of myoblasts in vitro. Knockdown of FTO or METTL3 promoted myoblast proliferation, inhibited myoblast apoptosis and suppressed myogenic differentiation, whereas ALKBH5 knockdown had the opposite effect. METTL14 knockdown enhanced myoblast proliferation and impaired myogenic differentiation. WTAP knockdown attenuated proliferation and contributed to apoptosis but did not affect differentiation. Furthermore, the functional domains of these five m6A methylases are conserved across species. Our results suggest that m6A methylases are involved in regulating skeletal muscle development and that there may be a complex network of m6A methylation regulating skeletal myogenesis.
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36
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Sasaki K. Diversity of Japanese consumers' requirements, sensory perceptions, and eating preferences for meat. Anim Sci J 2022; 93:e13705. [PMID: 35266248 PMCID: PMC9287063 DOI: 10.1111/asj.13705] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2022] [Revised: 02/18/2022] [Accepted: 02/24/2022] [Indexed: 02/05/2023]
Abstract
Japanese consumers are generally characterized as preferring high marbling in beef and pork and choosing domestic products. However, the Japanese food market is not homogenous. Understanding the diversity of Japanese consumers will provide benefits for the optimization of meat production and distribution in Japan. This article focuses on three factors affecting purchasing decisions and eating satisfaction, namely, requirements, sensory perception, and eating preferences, in order to understand the diversity of Japanese consumers in a simplified manner. Diversity was observed in Japanese consumers in all three of these factors (requirements, perception, and preference) using a questionnaire survey, sensory and biological procedures, and an eating preference test. These diversities are due to not only sociodemographic characteristics but also biological and physiological factors, background culture, and individual attitudes and criteria. Although consumer variation based on sociodemographic characteristics is of course important, it is equally important to understand diversity by focusing on the individual differences among consumers.
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Affiliation(s)
- Keisuke Sasaki
- Animal Products Research Group, Institute of Livestock and Grassland Science, National Agriculture and Food Research Organization, Tsukuba, Japan
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Shinoda C, Yasuda J, Yamagata K, Suzuki K, Satoh M, Roh S, Uemoto Y. Genetic relationships of feed efficiency and growth traits with carcass traits in Japanese Shorthorn cattle. Anim Sci J 2022; 93:e13691. [PMID: 35137482 DOI: 10.1111/asj.13691] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2021] [Revised: 01/10/2022] [Accepted: 01/27/2022] [Indexed: 12/19/2022]
Abstract
In this study, we examined genetic parameters for feed efficiency, growth, and carcass traits in Japanese Shorthorn cattle, based on 714 performance tests and 15,790 field carcass records. Feed efficiency traits, including residual feed intake (RFI) and residual body weight gain (RG), were calculated. Single-trait and two-trait animal models were used to estimate heritability and genetic correlations. Heritability estimates for feed efficiency traits were found to be low to moderate (ranging from 0.03 to 0.36); notably, heritability was moderate for RG and low for RFI. Estimates for genetic correlations between feed efficiency traits and average daily gain (DG) were favorably moderate to high (absolute values of 0.43-0.85), and those with daily feed intake were low (absolute values of 0.00-0.32). We also estimated a high genetic correlation between RG and DG. The backfat thickness (BF) of bull calves showed favorable or no genetic correlation estimates with feed efficiency and growth traits, whereas RG and BF showed favorable or no genetic correlation estimates with carcass traits. Our findings indicate that genetic improvements in both feed utilization ability and carcass traits could be achieved by utilizing RG and BF in Japanese Shorthorn cattle.
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Affiliation(s)
- Chiharu Shinoda
- Graduate School of Agricultural Science, Tohoku University, Sendai, Japan
| | - Jumpei Yasuda
- Iwate Prefecture Livestock Research Center, Takizawa, Japan
| | | | - Keiichi Suzuki
- Graduate School of Agricultural Science, Tohoku University, Sendai, Japan
| | - Masahiro Satoh
- Graduate School of Agricultural Science, Tohoku University, Sendai, Japan
| | - Sanggun Roh
- Graduate School of Agricultural Science, Tohoku University, Sendai, Japan
| | - Yoshinobu Uemoto
- Graduate School of Agricultural Science, Tohoku University, Sendai, Japan
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38
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Vázquez-Mosquera JM, Fernández-Novo A, Bonet-Bo M, Pérez-Villalobos N, Pesántez-Pacheco JL, Pérez-Solana ML, de Mercado E, Gardón JC, Villagrá A, Sebastián F, Pérez-Garnelo SS, Martínez D, Astiz S. MOET Efficiency in a Spanish Herd of Japanese Black Heifers and Analysis of Environmental and Metabolic Determinants. BIOLOGY 2022; 11:225. [PMID: 35205092 PMCID: PMC8869101 DOI: 10.3390/biology11020225] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/24/2021] [Revised: 01/25/2022] [Accepted: 01/28/2022] [Indexed: 06/14/2023]
Abstract
Multiple ovulation and embryo transfer (MOET) systems have been intensively implemented in Japanese Black cattle in Japan and to create Japanese Black herds out of these areas. Environmental conditions influence MOET efficiency. Thus, we describe results of 137 in vivo, non-surgical embryo flushings performed between 2016-2020, in a full-blood Japanese Black herd kept in Spain and the possible effects of heat, year, bull, donor genetic value, and metabolic condition. Additionally, 687 embryo transfers were studied for conception rate (CR) and recipient related factors. A total of 71.3% of viable embryos (724/1015) were obtained (5.3 ± 4.34/flushing). Donor metabolites did not affect embryo production (p > 0.1), although metabolite differences were observed over the years, and by flushing order, probably related to the donor age. CR was not affected by embryo type (fresh vs. frozen), recipient breed, and whether suckling or not suckling (p > 0.1). CR decreased significantly with heat (44.3 vs. 49.2%; (p = 0.042)) and numerically increased with recipient parity and ET-number. Pregnant recipients showed significantly higher levels of cholesterol-related metabolites, glucose, and urea (p < 0.05). Therefore, adequate MOET efficiency can be achieved under these conditions, and heat stress should be strongly avoided during Japanese Black embryo transfers. Moreover, recipients' metabolites are important to achieve pregnancy, being probably related to better nutrient availability during pregnancy.
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Affiliation(s)
- Juan M. Vázquez-Mosquera
- Medicine and Surgery Department, Veterinary Faculty, Complutense University of Madrid, Puerta de Hierro Avenue s/n, 28040 Madrid, Spain;
| | - Aitor Fernández-Novo
- Department of Veterinary Medicine, School of Biomedical and Health Sciences, Universidad Europea de Madrid, C/Tajo s/n, 28670 Villaviciosa de Odón, Spain; (A.F.-N.); (N.P.-V.)
| | - Martin Bonet-Bo
- Embriovet SL, Polígono Industrial de Piadela II-8, A Coruña, 15300 Betanzos, Spain; (M.B.-B.); (D.M.)
| | - Natividad Pérez-Villalobos
- Department of Veterinary Medicine, School of Biomedical and Health Sciences, Universidad Europea de Madrid, C/Tajo s/n, 28670 Villaviciosa de Odón, Spain; (A.F.-N.); (N.P.-V.)
| | - Jose L. Pesántez-Pacheco
- Faculty of Agricultural Sciences, School of Veterinary Medicine and Zootechnics, University of Cuenca, Av. Doce de Octubre, Cuenca 010220, Ecuador;
| | - Maria Luz Pérez-Solana
- Animal Reproduction Department, National Institute of Agronomic Research (INIA-CSIC), Puerta de Hierro Avenue s/n, 28040 Madrid, Spain; (M.L.P.-S.); (E.d.M.); (S.S.P.-G.)
| | - Eduardo de Mercado
- Animal Reproduction Department, National Institute of Agronomic Research (INIA-CSIC), Puerta de Hierro Avenue s/n, 28040 Madrid, Spain; (M.L.P.-S.); (E.d.M.); (S.S.P.-G.)
| | - Juan Carlos Gardón
- Department of Animal Medicine and Surgery, Veterinary and Experimental Sciences School, Catholic University of Valencia-San Vicente Mártir, Guillem de Castro, 94, 46001 Valencia, Spain;
| | - Arantxa Villagrá
- Institut Valencià d’Investigacions Agràries (IVIA), CV-315, Km, 10700 Valencia, Spain;
| | | | - Sonia Salomé Pérez-Garnelo
- Animal Reproduction Department, National Institute of Agronomic Research (INIA-CSIC), Puerta de Hierro Avenue s/n, 28040 Madrid, Spain; (M.L.P.-S.); (E.d.M.); (S.S.P.-G.)
| | - Daniel Martínez
- Embriovet SL, Polígono Industrial de Piadela II-8, A Coruña, 15300 Betanzos, Spain; (M.B.-B.); (D.M.)
| | - Susana Astiz
- Animal Reproduction Department, National Institute of Agronomic Research (INIA-CSIC), Puerta de Hierro Avenue s/n, 28040 Madrid, Spain; (M.L.P.-S.); (E.d.M.); (S.S.P.-G.)
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39
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Yamada T. Intramuscular adipogenesis in cattle: Effects of body fat distribution and macrophage infiltration. Anim Sci J 2022; 93:e13785. [PMID: 36443236 DOI: 10.1111/asj.13785] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2022] [Revised: 10/18/2022] [Accepted: 11/01/2022] [Indexed: 11/30/2022]
Abstract
Ectopic fat is defined by the deposition of adipose tissue within non-adipose tissue such as skeletal muscle. Japanese Black cattle (Wagyu) are characterized by the ability to accumulate high amounts of intramuscular adipose tissue. Obese conditions enhance the accumulation of ectopic fat. This review shows the effects of subcutaneous and visceral fat distribution on Wagyu intramuscular adipogenesis. Obese conditions also stimulate the macrophage infiltration into adipose tissues. Adipose tissue macrophages have reported to regulate adipose tissue growth and ectopic fat accumulation in humans and rodents. Wagyu is characterized by the higher capacity for intramuscular adipogenesis than Holsteins. This review discusses the depot-specific effects of macrophage infiltration among subcutaneous, visceral, and intramuscular adipose tissue on intramuscular adipogenesis in Wagyu and Holstein cattle. Recently, metabolome analysis has been used to identify obesity-related biomarkers by comparing the biological samples between lean and obese patients. This review introduces the metabolomic profiles of plasma and intramuscular adipose tissue between Wagyu and Holsteins.
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Affiliation(s)
- Tomoya Yamada
- National Agriculture and Food Research Organization Oda Shimane Japan
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40
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Nguyen DV, Nguyen OC, Malau-Aduli AE. Main regulatory factors of marbling level in beef cattle. Vet Anim Sci 2021; 14:100219. [PMID: 34877434 PMCID: PMC8633366 DOI: 10.1016/j.vas.2021.100219] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2021] [Revised: 10/24/2021] [Accepted: 11/18/2021] [Indexed: 02/06/2023] Open
Abstract
The content of intramuscular fat (IMF), that determines marbling levels is considered as one of the vital factors influencing beef sensory quality including tenderness, juiciness, flavour and colour. The IMF formation in cattle commences around six months after conception, and continuously grows throughout the life of the animal. The accumulation of marbling is remarkably affected by genetic, sexual, nutritional and management factors. In this review, the adipogenesis and lipogenesis process regulated by various factors and genes during fetal and growing stages is briefly presented. We also discuss the findings of recent studies on the effects of breed, gene, heritability and gender on the marbling accumulation. Various research reported that feeding during pregnancy, concentrate to roughage ratios and the supplementation or restriction of vitamin A, C, and D are crucial nutritional factors affecting the formation and development of IMF. Castration and early weaning combined with high energy feeding are effective management strategies for improving the accumulation of IMF. Furthermore, age and weight at slaughter are also reviewed because they have significant effects on marbling levels. The combination of several factors could positively affect the improvement of the IMF deposition. Therefore, advanced strategies that simultaneously apply genetic, sexual, nutritional and management factors to achieve desired IMF content without detrimental impacts on feed efficiency in high-marbling beef production are essential.
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Affiliation(s)
- Don V. Nguyen
- National Institute of Animal Science, Bac Tu Liem, Hanoi 29909, Vietnam
- Faculty of Animal Science, Vietnam National University of Agriculture, Gia Lam, Hanoi 131000, Vietnam
| | - Oanh C. Nguyen
- Faculty of Animal Science, Vietnam National University of Agriculture, Gia Lam, Hanoi 131000, Vietnam
| | - Aduli E.O. Malau-Aduli
- Veterinary Sciences Discipline, College of Public Health, Medical and Veterinary Sciences, Division of Tropical Health and Medicine, James Cook University, Townsville, QLD 4811, Australia
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41
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Ilić J, Djekic I, Tomasevic I, Oosterlinck F, van den Berg MA. Materials Properties, Oral Processing, and Sensory Analysis of Eating Meat and Meat Analogs. Annu Rev Food Sci Technol 2021; 13:193-215. [PMID: 34784489 DOI: 10.1146/annurev-food-090821-032332] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
To increase the appeal of plant protein-based meat analogs, further progress needs to be made in their sensory perception. Given the limited number of studies on meat analogs, this review focuses on structure, oral processing, and sensory perception of meat and subsequently translates the insights to meat analogs. An extensive number of publications has built the current understanding of meat mechanical and structural properties, but inconsistencies concerning terminology and methodology execution as well as the wide variety in terms of natural origin limit solid conclusions about the control parameters for oral processing and sensory perception. Consumer-relevant textural aspects such as tenderness and juiciness are not directly correlated to single structural features but depend on an interplay of multiple factors and thus require a holistic approach. We discuss the differences in mastication and disintegration of meat and meat analogs and provide an outlook toward converting skeptical consumers into returning customers. Expected final online publication date for the Annual Review of Food Science and Technology, Volume 13 is March 2022. Please see http://www.annualreviews.org/page/journal/pubdates for revised estimates.
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Affiliation(s)
- Jovan Ilić
- Department of Food Safety and Quality Management, Faculty of Agriculture, Institute of Food Technology and Biochemistry, University of Belgrade, Belgrade, Serbia
| | - Ilija Djekic
- Department of Food Safety and Quality Management, Faculty of Agriculture, Institute of Food Technology and Biochemistry, University of Belgrade, Belgrade, Serbia
| | - Igor Tomasevic
- Department of Animal Origin Products Technology, Faculty of Agriculture, Institute of Food Technology and Biochemistry, University of Belgrade, Belgrade, Serbia
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42
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Dixit Y, Hitchman S, Hicks T, Lim P, Wong C, Holibar L, Gordon K, Loeffen M, Farouk M, Craigie C, Reis M. Non-invasive spectroscopic and imaging systems for prediction of beef quality in a meat processing pilot plant. Meat Sci 2021; 181:108410. [DOI: 10.1016/j.meatsci.2020.108410] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2020] [Revised: 11/23/2020] [Accepted: 12/10/2020] [Indexed: 11/28/2022]
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43
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Uemoto Y, Suzuki K, Yasuda J, Roh S, Satoh M. Evaluation of inbreeding and genetic diversity in Japanese Shorthorn cattle by pedigree analysis. Anim Sci J 2021; 92:e13643. [PMID: 34643303 PMCID: PMC9285902 DOI: 10.1111/asj.13643] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2021] [Revised: 09/09/2021] [Accepted: 09/23/2021] [Indexed: 02/06/2023]
Abstract
The Japanese Shorthorn is a Japanese Wagyu breed maintained at a small population size. We assessed the degree of inbreeding and genetic diversity among Japanese Shorthorn cattle using pedigree analysis. We analyzed the pedigree records of registered Japanese Shorthorn born between 1980 and 2018, after evaluating the pedigree completeness. The average of the actual inbreeding coefficients increased at the same rates annually from approximately 1.5% in 1980 to 4.2% in 2018 and was higher than the expected inbreeding coefficients over time. The effective population size based on the individual coancestry rate largely decreased from 127.8 in 1980 to 82.6 in 1999, and then remained almost constant at approximately 90. Three effective numbers of ancestors decreased over time until 1995, then remained almost constant. In particular, the effective number of founder genomes (Nge) decreased from 43.8 in 1980 to 11.9 in 2018. The index of genetic diversity based on Nge decreased from 0.99 in 1980 to 0.96 in 2018 due to genetic drift in non‐founder generations. Changes in inbreeding and genetic diversity parameters were similar between Japanese Shorthorn and other Japanese Wagyu breeds, but the magnitude of the changes was lower in the Japanese Shorthorn.
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Affiliation(s)
- Yoshinobu Uemoto
- Graduate School of Agricultural Science, Tohoku University, Sendai, Japan
| | - Keiichi Suzuki
- Graduate School of Agricultural Science, Tohoku University, Sendai, Japan
| | - Jumpei Yasuda
- Iwate Prefecture Livestock Research Center, Takizawa, Iwate, Japan
| | - Sanggun Roh
- Graduate School of Agricultural Science, Tohoku University, Sendai, Japan
| | - Masahiro Satoh
- Graduate School of Agricultural Science, Tohoku University, Sendai, Japan
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44
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Characterization of microRNA expression in B cells derived from Japanese black cattle naturally infected with bovine leukemia virus by deep sequencing. PLoS One 2021; 16:e0256588. [PMID: 34506539 PMCID: PMC8432782 DOI: 10.1371/journal.pone.0256588] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2020] [Accepted: 08/10/2021] [Indexed: 12/21/2022] Open
Abstract
Bovine leukemia virus (BLV) is the causative agent of enzootic bovine leukosis (EBL), a malignant B cell lymphoma. However, the mechanisms of BLV-associated lymphomagenesis remain poorly understood. Here, after deep sequencing, we performed comparative analyses of B cell microRNAs (miRNAs) in cattle infected with BLV and those without BLV. In BLV-infected cattle, BLV-derived miRNAs (blv-miRNAs) accounted for 38% of all miRNAs in B cells. Four of these blv-miRNAs (blv-miR-B1-5p, blv-miR-B2-5p, blv-miR-B4-3p, and blv-miR-B5-5p) had highly significant positive correlations with BLV proviral load (PVL). The read counts of 90 host-derived miRNAs (bta-miRNAs) were significantly down-regulated in BLV-infected cattle compared to those in uninfected cattle. Only bta-miR-375 had a positive correlation with PVL in BLV-infected cattle and was highly expressed in the B cell lymphoma tissue of EBL cattle. There were a few bta-miRNAs that correlated with BLV tax/rex gene expression; however, BLV AS1 expression had a significant negative correlation with many of the down-regulated bta-miRNAs that are important for tumor development and/or tumor suppression. These results suggest that BLV promotes lymphomagenesis via AS1 and blv-miRNAs, rather than tax/rex, by down-regulating the expression of bta-miRNAs that have a tumor-suppressing function, and this downregulation is linked to increased PVL.
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45
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Comparison of Nutritional and Meat Quality Characteristics between Two Primal Cuts from Aceh Cattle in Aceh Province, Indonesia. Vet Med Int 2021; 2021:8381849. [PMID: 34447569 PMCID: PMC8384551 DOI: 10.1155/2021/8381849] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2021] [Accepted: 08/06/2021] [Indexed: 11/18/2022] Open
Abstract
The Aceh cattle are local Indonesian beef cattle that are farmed in Aceh Province. This type of cattle is one of the sources of meat for the Aceh people. This study aims to analyze the quality of two primal cuts (longissimus lumborum and semitendinosus muscle) from Aceh cattle based on the muscle microstructure characteristics and MSTN gene expression. This study used a sample of longissimus lumborum and semitendinosus muscles from 18 adult male Aceh cattle with the age of 2-2.5 years and a BCS of 3.24. Muscle samples were obtained shortly after the cattle were slaughtered in slaughterhouses in Banda Aceh and Aceh Besar districts. Muscle microstructure analysis was performed using the HE, Masson's trichrome, and immunohistochemistry staining methods, while the MSTN gene expression analysis was performed using the qPCR method. The analysis of the physical quality of meat includes pH, meat color, fat color, cooking loss, water holding capacity, and WBSF value. The results showed that the area of LL muscle fibers was smaller than that of ST with relatively the same diameter. Both muscles were dominated by fast fibers with a percentage of 82.37% (LL muscle) and 91.80% (ST muscle). The area and composition of the type of muscle fibers are the main factors that influence the tenderness of Aceh beef. A higher distribution of collagen was found in ST muscles than in LL muscles. MSTN gene expression in both muscle types was relatively the same. Aceh cattle have large muscle fibers and are dominated by fast fibers with a high percentage, resulting in a low level of the tenderness of Aceh beef. However, the level of tenderness of Aceh beef is still in accordance with the cooking preparation of original and favorite cuisine of Aceh people.
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Tokunaga T, Jomane FN, Mandai S, Ishida T, Hirooka H. Estimation of the marbling development pattern in Japanese Black cattle by using serial ultrasound measurement data. Anim Sci J 2021; 92:e13533. [PMID: 33638306 DOI: 10.1111/asj.13533] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2020] [Revised: 02/04/2021] [Accepted: 02/08/2021] [Indexed: 11/28/2022]
Abstract
The objective of this study was to develop mathematical equations for describing the change in marbling in Japanese Black steers using longitudinal measurements. Serial ultrasound measurements were taken at 14, 16, 20, and 26 months of age and analyzed using an image analysis software. The longitudinal marbling measurements from the ultrasound images and carcasses were fitted into a nonlinear logistic curve. Data used for the analysis consisted of 749 steers that converged in nonlinear curve fitting and showed reasonable estimated parameters of the logistic curves. The average predicted mature beef marbling score (BMS) and maturation rate were 6.26 and 0.353, respectively, and the average maturity levels at 24 months of age were 83.9%. The heritability estimates for the predicted maturity traits were moderate, indicating that these traits may have potential for genetic improvement. There was a negative relationship between the expected progeny differences between carcass BMS and maturity traits, suggesting that genetic improvement by carcass BMS may lead to the selection of bulls with late maturity for marbling. The results indicate that ultrasound and model building for marbling can be useful tools to correctly select candidate bulls with high marbling in the early fattening period.
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Affiliation(s)
- Tadaaki Tokunaga
- Laboratory of Animal Breeding and Genetics, Department of Animal and Grassland Sciences, Faculty of Agriculture, University of Miyazaki, Miyazaki, Japan
| | - Fortune N Jomane
- Department of Animals Science and Rangeland Management, Faculty of Agricultural Sciences, Lupane State University, Lupane, Zimbabwe
| | | | - Takafumi Ishida
- Laboratory of Animal Breeding and Genetics, Department of Animal and Grassland Sciences, Faculty of Agriculture, University of Miyazaki, Miyazaki, Japan
| | - Hiroyuki Hirooka
- Laboratory of Animal Husbandry Resources, Graduate School of Agriculture, Kyoto University, Kyoto, Japan
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47
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Iwasaki W, Morita N, Inoue T, Iwanaga Y, Nakashima A, Suzuki S, Morita K. Preliminary system of rapid analysis of blood retinol level in cattle. Anim Sci J 2021; 92:e13606. [PMID: 34318565 PMCID: PMC9286367 DOI: 10.1111/asj.13606] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2020] [Revised: 05/25/2021] [Accepted: 06/24/2021] [Indexed: 11/29/2022]
Abstract
Control of blood retinol levels in cattle during fattening is important in the production of marbled beef. However, it is difficult to easily measure the blood retinol concentration in the field. In this study, we attempted to develop an analysis method that does not require blood cell separation and uses a compact fluorescence analyzer that can be carried around as a preliminary system for measuring blood retinol concentration in the field. This system was used to monitor blood retinol levels in 12 fattening cattle (14 to 27 months old) and demonstrated a strong correlation (r = 0.78) with the results obtained by the standard high-performance liquid chromatography (HPLC) method. Stronger correlations (r = 0.87) were obtained until the cattle were 24 months of age. These results suggest that higher correlations can be expected to be obtained by improving the robustness of the extraction system. Refinements for practical use need to be considered, but whole blood extraction and the vitamin A analyzer that was developed show potential to be used for on-farm monitoring of retinol levels.
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Affiliation(s)
- Wataru Iwasaki
- Sensing System Research Center, National Institute of Advanced Industrial Science and Technology, Saga, Japan
| | - Nobutomo Morita
- Sensing System Research Center, National Institute of Advanced Industrial Science and Technology, Saga, Japan
| | - Tetsuro Inoue
- Livestock Research Unit, Nagasaki Agriculture and Forestry Technical Development Center, Nagasaki, Japan
| | - Yasufumi Iwanaga
- Livestock Research Unit, Nagasaki Agriculture and Forestry Technical Development Center, Nagasaki, Japan
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48
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Ueda S, Hosoda M, Yoshino KI, Yamanoue M, Shirai Y. Gene Expression Analysis Provides New Insights into the Mechanism of Intramuscular Fat Formation in Japanese Black Cattle. Genes (Basel) 2021; 12:genes12081107. [PMID: 34440281 PMCID: PMC8391117 DOI: 10.3390/genes12081107] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2021] [Revised: 07/05/2021] [Accepted: 07/05/2021] [Indexed: 12/15/2022] Open
Abstract
Japanese Black cattle (Japanese Wagyu) have a unique phenotype in which ectopic intramuscular fat accumulates in skeletal muscle, producing finely marbled beef. However, the mechanism of intramuscular fat formation in Japanese Black cattle remains unclear. To investigate the key genes involved in intramuscular fat accumulation, we comprehensively analyzed mRNA levels in subcutaneous and intramuscular fat tissues using RNA sequence (RNA-seq) analysis, which detected 27,606 genes. We identified eight key genes, namely carboxypeptidase E, tenascin C, transgelin, collagen type IV alpha 5 (COL4A5), cysteine and glycine-rich protein 2, PDZ, and LIM domain 3, phosphatase 1 regulatory inhibitor subunit 14A, and regulator of calcineurin 2. These genes were highly and specifically expressed in intramuscular fat tissue. Immunohistochemical analysis revealed a collagen network, including COL4A5, in the basement membrane around the intramuscular fat tissue. Moreover, pathway analysis revealed that, in intramuscular fat tissue, differentially expressed genes are related to cell adhesion, proliferation, and cancer pathways. Furthermore, pathway analysis showed that the transforming growth factor-β (TGF-β) and small GTPases regulators RASGRP3, ARHGEF26, ARHGAP10, ARHGAP24, and DLC were upregulated in intramuscular fat. Our study suggests that these genes are involved in intramuscular fat formation in Japanese Black cattle.
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Affiliation(s)
- Shuji Ueda
- Department of Agrobioscience, Graduate School of Agricultural Science, Kobe University, Kobe 657-8501, Japan; (M.H.); (M.Y.); (Y.S.)
- Correspondence: ; Tel.: +81-78-803-5889
| | - Mana Hosoda
- Department of Agrobioscience, Graduate School of Agricultural Science, Kobe University, Kobe 657-8501, Japan; (M.H.); (M.Y.); (Y.S.)
| | - Ken-ichi Yoshino
- Biosignal Research Center, Kobe University, Kobe 657-8501, Japan;
| | - Minoru Yamanoue
- Department of Agrobioscience, Graduate School of Agricultural Science, Kobe University, Kobe 657-8501, Japan; (M.H.); (M.Y.); (Y.S.)
| | - Yasuhito Shirai
- Department of Agrobioscience, Graduate School of Agricultural Science, Kobe University, Kobe 657-8501, Japan; (M.H.); (M.Y.); (Y.S.)
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49
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Liu J, Pogorzelski G, Neveu A, Legrand I, Pethick D, Ellies-Oury MP, Hocquette JF. Are Marbling and the Prediction of Beef Eating Quality Affected by Different Grading Sites? Front Vet Sci 2021; 8:611153. [PMID: 33855054 PMCID: PMC8039122 DOI: 10.3389/fvets.2021.611153] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2020] [Accepted: 02/08/2021] [Indexed: 11/16/2022] Open
Abstract
For the European abattoirs, the preferred carcass grading site is at the fifth rib, and cutting at the tenth rib as in Australia could lead to a lower economic value of the carcass. Therefore, the objective of this study was to compare the grading scores of marbling and the meat and fat color on Musculus longissimus thoracis et lumborum (LTL) at the fifth and the tenth thoracic vertebrae. The consequences on the prediction of beef eating quality using the Meat Standards Australia (MSA) grading scheme were also evaluated for cull cows, which produce the majority of beef consumed in France. Carcasses from 208 French cattle, mainly Limousine cows, were graded according to the Australian Beef Carcase Chiller Assessment System (ABCAS) used for the implementation of the MSA system. The results indicate that there was no significant difference in the marbling score, between the fifth and the tenth ribs and hence in the MSA index and in the Global Quality [meat quality (MQ4)] scores calculated from marbling values from either the fifth rib or the tenth rib. However, the meat color at the tenth rib was significantly darker than that at the fifth rib (p < 0.01), and the fat color at the tenth rib was significantly yellower than that at the fifth rib (p < 0.001). The results of this study suggest that the grading of marbling can be conducted on M. LTL at the fifth thoracic vertebrae for routine use of the MSA system in France and, more generally, in Europe. However, further investigation and adjustment would be needed for other critical MSA scores (such as rib fat thickness) while respecting the European carcass quartering practices.
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Affiliation(s)
- Jingjing Liu
- INRAE, Université Clermont Auvergne, VetAgro Sup, UMR1213, Recherches sur les Herbivores, Clermont-Ferrand, France
| | - Grzegorz Pogorzelski
- Department of Technique and Food Development, Faculty of Human Nutrition and Consumer Sciences, Warsaw University of Life Sciences (WULS-SGGW), Warsaw, Poland
| | - Alix Neveu
- École Nationale Supérieure Agronomique de Toulouse, Toulouse, France
| | - Isabelle Legrand
- Institut de l'Elevage, Service Qualité des Carcasses et des Viandes, MRA-NA, Limoges, France
| | - David Pethick
- School of Veterinary and Life Sciences, Murdoch University, Perth, WA, Australia
| | - Marie-Pierre Ellies-Oury
- INRAE, Université Clermont Auvergne, VetAgro Sup, UMR1213, Recherches sur les Herbivores, Clermont-Ferrand, France.,Bordeaux Sciences Agro, Bordeaux, France
| | - Jean-François Hocquette
- INRAE, Université Clermont Auvergne, VetAgro Sup, UMR1213, Recherches sur les Herbivores, Clermont-Ferrand, France
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Exploring the Lipids Involved in the Formation of Characteristic Lactones in Japanese Black Cattle. Metabolites 2021; 11:metabo11040203. [PMID: 33805322 PMCID: PMC8067244 DOI: 10.3390/metabo11040203] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2021] [Revised: 03/25/2021] [Accepted: 03/25/2021] [Indexed: 12/13/2022] Open
Abstract
The meat from Japanese Black cattle (Japanese Wagyu) is finely marbled and exhibits a rich and sweet aroma known as Wagyu beef aroma. To clarify the key metabolites involved in the aroma, we analyzed the correlation between lactone and lipid composition in Japanese Black cattle. Using gas chromatography-olfactometry, we identified 39 characteristic odorants of the intermuscular fat. Seven characteristic lactones considered to be involved in Wagyu beef aroma were quantified and compared in the marbled area and intermuscular fat using a stable isotope dilution assay. Among them, γ-hexalactone was the only lactone whose level was significantly higher in the marbled area. To explore the lipid species involved in lactone formation, we analyzed samples with different aroma characteristics. Liquid chromatography-mass spectrometry revealed eight lipid classes and showed significant differences in triacylglycerides (TAGs). To determine the molecular species of TAGs, we performed high-performance liquid chromatography analysis and identified 14 TAG species. However, these analyses showed that seven lactones had a low correlation with the TAGs. However, γ-hexalactone showed a positive correlation with linoleic acid. This study suggests that lipid composition affects the characteristic lactone profile involved in the Wagyu beef aroma.
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