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Sood V, Rodas-González A, Valente TS, Virtuoso MCS, Li C, Lam S, López-Campos Ó, Segura J, Basarab J, Juárez M. Genome-wide association study for primal cut lean traits in Canadian beef cattle. Meat Sci 2023; 204:109274. [PMID: 37437385 DOI: 10.1016/j.meatsci.2023.109274] [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: 02/28/2023] [Revised: 06/07/2023] [Accepted: 07/02/2023] [Indexed: 07/14/2023]
Abstract
This study identified genomic variants and underlying candidate genes related to the whole carcass and individual primal cut lean content in Canadian commercial crossbred beef cattle. Genotyping information of 1035 crossbred beef cattle were available alongside estimated and actual carcass lean meat yield and individual primal cut lean content in all carcasses. Significant fixed effects and covariates were identified and included in the animal model. Genome-wide association analysis were implemented using the weighted single-step genomic best linear unbiased prediction (WssGBLUP). A number of candidate genes identified linked to lean tissue production were unrelated to estimated lean meat yield and were specific to the actual lean traits. Among these, 41 genes were common for actual lean traits, on specific regions of BTA4, BTA13 and BTA25 indicating potential involvement in lean mass synthesis. Therefore, the results suggested the inclusion of primal cut lean traits as a selection objective in breeding programs with consideration of further functional studies of the identified genes could help in optimizing lean yield for maximal carcass value.
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Affiliation(s)
- Vipasha Sood
- Lacombe Research and Development Centre, Agriculture and Agri-Food Canada, Lacombe, AB, Canada; Department of Food and Human Nutritional Science, Faculty of Agricultural and Food Sciences, University of Manitoba, Winnipeg, MB, Canada
| | - Argenis Rodas-González
- Department of Animal Science, Faculty of Agricultural and Food Sciences, University of Manitoba, Winnipeg, MB, Canada
| | - Tiago S Valente
- Department of Agricultural, Food and Nutritional Sciences, Faculty of Agricultural, Life and Environmental Sciences, University of Alberta, Edmonton, AB, Canada
| | - Marcos Claudio S Virtuoso
- Department of Agricultural, Food and Nutritional Sciences, Faculty of Agricultural, Life and Environmental Sciences, University of Alberta, Edmonton, AB, Canada
| | - Changxi Li
- Lacombe Research and Development Centre, Agriculture and Agri-Food Canada, Lacombe, AB, Canada; Department of Agricultural, Food and Nutritional Sciences, Faculty of Agricultural, Life and Environmental Sciences, University of Alberta, Edmonton, AB, Canada
| | - Stephanie Lam
- Lacombe Research and Development Centre, Agriculture and Agri-Food Canada, Lacombe, AB, Canada
| | - Óscar López-Campos
- Lacombe Research and Development Centre, Agriculture and Agri-Food Canada, Lacombe, AB, Canada
| | - Jose Segura
- Lacombe Research and Development Centre, Agriculture and Agri-Food Canada, Lacombe, AB, Canada
| | - John Basarab
- Department of Agricultural, Food and Nutritional Sciences, Faculty of Agricultural, Life and Environmental Sciences, University of Alberta, Edmonton, AB, Canada
| | - Manuel Juárez
- Lacombe Research and Development Centre, Agriculture and Agri-Food Canada, Lacombe, AB, Canada.
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Carrillo JA, Bai Y, He Y, Li Y, Cai W, Bickhart DM, Liu G, Barao SM, Sonstegard T, Song J. Growth curve, blood parameters and carcass traits of grass-fed Angus steers. Animal 2021; 15:100381. [PMID: 34757288 DOI: 10.1016/j.animal.2021.100381] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2021] [Revised: 09/05/2021] [Accepted: 09/07/2021] [Indexed: 11/16/2022] Open
Abstract
The increasing demand for natural products is currently transforming the meat industry, making grass-fed and finished beef a valuable option for improving profits. However, the transformation of conventional operations to grass-fed systems comprises many modifications, such as logistical, technological, and financial that could be very complex and expensive, involving economic risk. Therefore, in this study, we analyzed the growth curve, critical economic traits, and carcass quality and finished characteristics over several consecutive years in closely related grass-fed and finished Angus steers, to reduce the genetic effect on the results. We found that grass-fed steers require around 188 additional days to reach the market weight (approx. 470 kg) and had approximately 70% less average daily gain compared to the grain-fed and finished steers. Regression analysis demonstrated an interaction between feed and age (P < 0.01); thus, individual regressions were fitted for each regimen style, obtaining almost perfect linear curves for both treatments, which could be straightforwardly used in practical situations due to its simplicity. Six of eight carcass traits were different between grain-fed and grass-fed and finished steers. Hot-carcass weight, dressing, back fat, and quality grade were superior in grain-fed individuals, contrarily to yield grade and ribeye area/carcass ratio, which were better in grass-fed and finished steers (P < 0.05). Interestingly, the meat tenderness was certainly low and similar in both treatments (P = 0.25), indicating the feasibility of producing tender meat with animals under a grass-fed diet. Nevertheless, according to the quality grade analysis, grain-fed carcasses were greater ranked compared to grass-fed bodies (P < 0.01), regardless of their same tenderness. The results will provide valuable information for better understanding beef cattle in grass-feeding finishing systems, especially from weaning to harvest. Additionally, the study will expand the knowledge about the quality of meat obtained from animals that received grass exclusively, becoming relevant information for economic evaluation and management decisions for grass-based cattle operations.
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Affiliation(s)
- J A Carrillo
- Department of Animal & Avian Sciences, University of Maryland, College Park, MD 20742, USA
| | - Y Bai
- College of Life Sciences and Food Engineering, Hebei University of Engineering, Handan 056021, PR China
| | - Y He
- Department of Human Nutrition, Food and Animal Sciences, University of Hawai'i at Manoa, Honolulu, HI 96822, USA
| | - Y Li
- College of Animal Science and Technology, South China Agricultural University, Guangzhou 510642, PR China
| | - W Cai
- Department of Animal & Avian Sciences, University of Maryland, College Park, MD 20742, USA
| | - D M Bickhart
- Animal Genomics and Improvement Laboratory, BARC, Agricultural Research Service, USDA, Beltsville, MD 20705, USA
| | - G Liu
- Animal Genomics and Improvement Laboratory, BARC, Agricultural Research Service, USDA, Beltsville, MD 20705, USA
| | - S M Barao
- Hedgeapple Farm & Market, 3735 Buckeystown Pike, Buckeystown, MD 21717, USA
| | - T Sonstegard
- Recombinetics, 3388 Mike Collins Drive, Eagan, MN 55121, USA
| | - J Song
- Department of Animal & Avian Sciences, University of Maryland, College Park, MD 20742, USA.
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Yu H, Zhao Y, Iqbal A, Xia L, Bai Z, Sun H, Fang X, Yang R, Zhao Z. Effects of polymorphism of the GPAM gene on milk quality traits and its relation to triglyceride metabolism in bovine mammary epithelial cells of dairy cattle. Arch Anim Breed 2021; 64:35-44. [PMID: 34084902 PMCID: PMC8161264 DOI: 10.5194/aab-64-35-2021] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2020] [Accepted: 12/10/2020] [Indexed: 11/11/2022] Open
Abstract
Mitochondrial glycerol-3-phosphate acyltransferase
(GPAM) catalyses the initial and rate-regulated first-stage pathway of glycerol
lipid synthesis and helps to allocate acyl-CoA (acyl-coenzyme A) to triglyceride (TG)
synthesis and away from degradation pathways in animal lipometabolism-related pathways. In this study, RNA interference (RNAi) and GPAM gene overexpression were used to
examine the correlation between the expression of GPAM and adipogenesis in bovine
mammary epithelial cells (bMECs). Additionally, three novel polymorphisms
were identified within the bovine key functional domain of GPAM with Sanger
sequencing. The relationship between variants of the GPAM gene and milk quality
traits of Chinese Holstein cows was then analysed using statistical methods.
The results showed that knockdown of the GPAM gene significantly reduced the synthesis of
triglycerides in the bMECs (p < 0.05), whereas the overexpression
of the GPAM gene significantly increased the synthesis of TG (p < 0.05). In Chinese Holstein
dairy cattle, the
polymorphic locus of the GPAM gene E20-3386G > A was significantly
correlated with fat, protein and somatic cell count
(p < 0.05); I18-652A > G was significantly correlated with fat, total fat
content, protein, dry matter and somatic cell count (p < 0.05); and I18-726A > G was significantly correlated with protein,
milk yield, dry matter and somatic cell count (p < 0.05). Specifically, individuals with the AA genotype of the
I18-652A > G and E20-3386G > A polymorphic loci had a
higher milk fat percentage (p < 0.05). In summary, GPAM plays a pivotal role in the
intracellular regulation of triglyceride, and its mutations could work as
a competent molecular marker for selective breeding in dairy cattle.
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Affiliation(s)
- Haibin Yu
- College of Animal Science, Jilin University, Changchun, Jilin 130062, PR China
| | - Yaolu Zhao
- Institute of Muscle Biology and Growth, Leibniz Institute for Farm Animal Biology (FBN), 18196 Dummerstorf, Germany
| | - Ambreen Iqbal
- College of Coastal Agricultural Sciences, Guangdong Ocean University, Zhanjiang, Guangdong 524088, PR China
| | - Lixin Xia
- College of Animal Science, Jilin University, Changchun, Jilin 130062, PR China
| | - Zitong Bai
- College of Animal Science, Jilin University, Changchun, Jilin 130062, PR China
| | - Hao Sun
- College of Animal Science, Jilin University, Changchun, Jilin 130062, PR China
| | - Xibi Fang
- College of Animal Science, Jilin University, Changchun, Jilin 130062, PR China
| | - Runjun Yang
- College of Animal Science, Jilin University, Changchun, Jilin 130062, PR China
| | - Zhihui Zhao
- College of Animal Science, Jilin University, Changchun, Jilin 130062, PR China.,College of Coastal Agricultural Sciences, Guangdong Ocean University, Zhanjiang, Guangdong 524088, PR China
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Weber TM, Buseman BJ, Nasados JA, Lancaster JM, Van Buren JB, Smart JH, Bass PD, Murdoch GK, Insausti K, Colle MJ. Assessing outcomes of genetic selection panels to predict marbling in crossbred beef cattle. Transl Anim Sci 2020; 4:txaa077. [PMID: 32705071 PMCID: PMC7316178 DOI: 10.1093/tas/txaa077] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2020] [Accepted: 06/02/2020] [Indexed: 11/13/2022] Open
Abstract
The objective of this study was to evaluate the effectiveness of genetic panel marbling indexes [Igenity (IT) and PredicGEN (PG)] to predict marbling and tenderness of crossbred cattle. Steers (n = 23) were harvested at the University of Idaho Meat Science Laboratory, and blood samples were submitted to Neogen and Zoetis for genetic panel analysis. Forty-eight hours postharvest, one boneless strip loin was collected from each carcass, and six 2.54-cm thick steaks were cut from each strip loin. Steaks were aged for 14 and 21 d and assigned to consumer sensory evaluation or Warner–Bratzler Shear Force (WBSF) analysis. Results were analyzed using the Mixed Model procedure of the Statistical Analysis System (SAS Institute, Inc., Cary, NC). Carcasses were grouped by marbling index score into Low IT (IT indexes 3–6; n = 16; marbling score (MS) = 410), High IT (IT indexes 7–10; n = 7; MS = 496), Low PG (PG index <50; n = 9; MS = 398), or High PG (PG index ≥50; n = 14; MS = 458). Mean MS was observed to be greater in High IT steaks than Low IT (P < 0.01) and greater in High PG steaks than Low PG (P = 0.01). There was a trend observed in WBSF between IT marbling groups (P = 0.06); however, no difference in WBSF was observed between PG marbling groups (P = 0.83). Consumers did not report differences between IT marbling groups in terms of acceptability (P = 0.99) or tenderness (P = 0.24). Additionally, consumers could not detect differences between PG marbling groups in terms of acceptability (P = 0.75) or tenderness (P = 0.40). Consumers consistently preferred Choice steaks over Select steaks in terms of acceptability (P = 0.02) and tenderness (P = 0.02). In conclusion, though consumers were not able to tell the difference between steaks from each of the genetic panels, using genetic panels to predict marbling, in conjunction with proper nutrition and handling practices, could be a beneficial tool to producers making decisions about retaining ownership at the feedlot.
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Affiliation(s)
- Tanya M Weber
- Department of Animal and Veterinary Science, University of Idaho, Moscow, ID
| | - Brianna J Buseman
- Department of Animal and Veterinary Science, University of Idaho, Moscow, ID
| | - James A Nasados
- Department of Animal and Veterinary Science, University of Idaho, Moscow, ID
| | - Jessica M Lancaster
- Department of Animal and Veterinary Science, University of Idaho, Moscow, ID
| | - Jessie B Van Buren
- Department of Animal and Veterinary Science, University of Idaho, Moscow, ID
| | - Jaxon H Smart
- Department of Animal and Veterinary Science, University of Idaho, Moscow, ID
| | - Phillip D Bass
- Department of Animal and Veterinary Science, University of Idaho, Moscow, ID
| | - Gordon K Murdoch
- Department of Animal and Veterinary Science, University of Idaho, Moscow, ID
| | - Kizkitza Insausti
- Agricultural Engineering School-IS FOOD, Public University of Navarra, Pamplona, Spain
| | - Michael J Colle
- Department of Animal and Veterinary Science, University of Idaho, Moscow, ID
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Cho SH, Kang G, Seong P, Kang S, Sun C, Jang S, Cheong JH, Park B, Hwang I. Meat quality traits as a function of cow maturity. Anim Sci J 2017; 88:781-789. [PMID: 27677427 DOI: 10.1111/asj.12635] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2015] [Revised: 01/13/2016] [Accepted: 02/10/2016] [Indexed: 12/18/2022]
Abstract
To investigate the physico-chemical and sensory properties of striploin muscles, 90 Hanwoo carcasses (QG 1+ ) were randomly selected within six maturity levels (4 to 9 according to age in months). Results demonstrated that the protein contents at maturity levels 4 and 5 were significantly higher than 9. No significant difference in fat, moisture and collagen contents were found at different maturity levels (P > 0.05). The quantity of collagen type I and ratio of type I to III were observed at higher maturity levels; collagen type III showed significantly high levels (P > 0.05) at low maturity and decreased with increase in maturity levels. Warner-Bratzler shear force (WBSF) was significantly lower in groups 4 to 6, whereas water holding capacity (WHC) was significantly higher than maturity level 8 and 9 groups (P < 0.05). There were no significant differences in cooking loss among the maturity level groups (P > 0.05). Color properties, L* values of striploin muscle from maturity level 4 were significantly different from level 9 (P < 0.05). Sensory evaluation at level 4-6 groups had significantly higher tenderness and overall likeness scores than level 9 (P < 0.05). The maturity levels were significantly correlated with age, fat, protein content, WHC, WBSF, cooking loss, CIE L* values and sensory properties like tenderness, juiciness, flavor-likeness and overall likeness.
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Affiliation(s)
- Soo Hyun Cho
- Animal Products Research and Development Division, National Institute of Animal Science, RDA, Suwon, Republic of Korea
| | - Geunho Kang
- Animal Products Research and Development Division, National Institute of Animal Science, RDA, Suwon, Republic of Korea
| | - Pilnam Seong
- Animal Products Research and Development Division, National Institute of Animal Science, RDA, Suwon, Republic of Korea
| | - Sunmoon Kang
- Animal Products Research and Development Division, National Institute of Animal Science, RDA, Suwon, Republic of Korea
| | - Changwan Sun
- Korea Institute for Animal Products Quality Evaluation, Sejong, Republic of Korea
| | - Sunsik Jang
- Hanwoo Research Center, Pyung Chang Gun, Kwang Wondo, Republic of Korea
| | - Jin Hyung Cheong
- Korea Institute for Animal Products Quality Evaluation, Sejong, Republic of Korea
| | - Beomyoung Park
- Animal Products Research and Development Division, National Institute of Animal Science, RDA, Suwon, Republic of Korea
| | - Inho Hwang
- Department of Animal Science and Biotechnology, Chonbuk National University, Jeonju, Republic of Korea
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Yu H, Zhao Z, Yu X, Li J, Lu C, Yang R. Bovine lipid metabolism related gene GPAM: Molecular characterization, function identification, and association analysis with fat deposition traits. Gene 2017; 609:9-18. [DOI: 10.1016/j.gene.2017.01.031] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2016] [Revised: 01/23/2017] [Accepted: 01/24/2017] [Indexed: 11/28/2022]
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