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Ripoll G, Panea B, Latorre MÁ. A Machine Learning Approach Investigating Consumers' Familiarity with and Involvement in the Just Noticeable Color Difference and Cured Color Characterization Scale. Foods 2023; 12:4426. [PMID: 38137230 PMCID: PMC10743146 DOI: 10.3390/foods12244426] [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: 10/30/2023] [Revised: 12/07/2023] [Accepted: 12/08/2023] [Indexed: 12/24/2023] Open
Abstract
The aim of this study was to elucidate the relations between the visual color perception and the instrumental color of dry-cured ham, with a specific focus on determining the Just Noticeable Color Difference (JNCD). Additionally, we studied the influence of consumer involvement and familiarity on color-related associations and JNCD. Slices of ham were examined to determine their instrumental color and photos were taken. Consumers were surveyed about color scoring and matching of the pictures; they were also asked about their involvement in food, familiarity with cured ham, and sociodemographic characteristics. Consumers were clustered according to their level of involvement and the JNCD was calculated for the clusters. An interpretable machine learning algorithm was used to relate the visual appraisal to the instrumental color. A JNCD of ΔEab* = 6.2 was established, although it was lower for younger people. ΔEab* was also influenced by the involvement of consumers. The machine-learning algorithm results were better than those obtained via multiple linear regressions when consumers' psychographic characteristics were included. The most important color variables of the algorithm were L* and hab. The findings of this research underscore the impact of consumers' involvement and familiarity with dry-cured ham on their perception of color.
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Affiliation(s)
- Guillermo Ripoll
- Animal Science Department, Centro de Investigación y Tecnología Agroalimentaria de Aragón (CITA), Avda. Montañana 930, 50059 Zaragoza, Spain;
- Agrifood Institute of Aragon-IA2, CITA-University of Zaragoza, Avda. Miguel Servet, 177, 50013 Zaragoza, Spain;
| | - Begoña Panea
- Animal Science Department, Centro de Investigación y Tecnología Agroalimentaria de Aragón (CITA), Avda. Montañana 930, 50059 Zaragoza, Spain;
- Agrifood Institute of Aragon-IA2, CITA-University of Zaragoza, Avda. Miguel Servet, 177, 50013 Zaragoza, Spain;
| | - María Ángeles Latorre
- Agrifood Institute of Aragon-IA2, CITA-University of Zaragoza, Avda. Miguel Servet, 177, 50013 Zaragoza, Spain;
- Facultad de Veterinaria, Universidad de Zaragoza, Avda. Miguel Servet, 177, 50013 Zaragoza, Spain
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Hanoglu Oral H, Kecici PD, Alaturk F, Tolu C, Ekiz B, Gokkus A. Carcass Characteristics and Meat Quality of Karacabey Merino lambs Reared under Triticale and Oat Pastures Compared with Stall-Fed Lambs. Animals (Basel) 2023; 13:3322. [PMID: 37958076 PMCID: PMC10647462 DOI: 10.3390/ani13213322] [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: 09/12/2023] [Revised: 10/21/2023] [Accepted: 10/24/2023] [Indexed: 11/15/2023] Open
Abstract
Fifty-eight Karacabey Merino lambs were used to study the effects of feeding system (triticale pasture, oat pasture, or stall-fed), birth type (single or multiple), gender (male or female), and birth year (2016 or 2017) on various carcass and meat quality characteristics. Stall lambs had higher conformation (CS) and fatness (FS) scores, and higher meat L* and h* values than the two pasture groups, possibly due to higher fat content, while oat pasture lambs had the most tender meat. Single-born lambs had higher CS, FS, and Longissimus thoracis muscle section area, while females had higher subcutaneous and non-carcass fat deposits than their counterparts. Both single-born lambs and 2016-born lambs had higher meat a* and C* values than their counterparts. In conclusion, a pasture-based feeding system is more suitable for Karacabey Merino lambs than a stall feeding system, if lean meat and/or meat products are preferred. However, it should not be ignored that stall-fed lambs showed a better fattening performance in terms of conformation and fatness, during the same period.
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Affiliation(s)
- Hulya Hanoglu Oral
- Department of Animal Sciences and Technologies, Faculty of Applied Sciences, Muş Alparslan University, 49250 Muş, Turkey
| | - Pembe Dilara Kecici
- Department of Animal Breeding and Husbandry, Faculty of Veterinary Medicine, Istanbul University—Cerrahpasa, 34500 Istanbul, Turkey; (P.D.K.); (B.E.)
| | - Firat Alaturk
- Department of Field Crops, Faculty of Agriculture, Çanakkale Onsekiz Mart University, 17100 Çanakkale, Turkey; (F.A.); (A.G.)
| | - Cemil Tolu
- Department of Animal Science, Faculty of Agriculture, Çanakkale Onsekiz Mart University, 17100 Çanakkale, Turkey;
| | - Bulent Ekiz
- Department of Animal Breeding and Husbandry, Faculty of Veterinary Medicine, Istanbul University—Cerrahpasa, 34500 Istanbul, Turkey; (P.D.K.); (B.E.)
| | - Ahmet Gokkus
- Department of Field Crops, Faculty of Agriculture, Çanakkale Onsekiz Mart University, 17100 Çanakkale, Turkey; (F.A.); (A.G.)
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Retinol and α-Tocopherol Contents, Fat Color, and Lipid Oxidation as Traceability Tools of the Feeding System in Suckling Payoya Kids. Animals (Basel) 2022; 12:ani12010104. [PMID: 35011211 PMCID: PMC8749631 DOI: 10.3390/ani12010104] [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: 11/30/2021] [Revised: 12/22/2021] [Accepted: 12/30/2021] [Indexed: 11/17/2022] Open
Abstract
The effects of Payoya kid feeding systems on the fat-soluble vitamin (retinol/α-tocopherol) contents, fat content, fat color, and the oxidation index were evaluated to determine their potential for use as feeding system traceability tools. Four groups of Payoya kids (55 animals in total) fed milk exclusively were studied: a group fed a milk replacer (MR) and three groups fed natural milk from dams reared with different management systems (mountain grazing (MG), cultivated meadow (CM) and total mixed ration (TMR)). Kids were slaughtered around one month of age and 8 kg of live weight. Kids from the MG and CM groups presented lower retinol (5.56 and 3.72 µg/mL) and higher α-tocopherol plasma (11.43 and 8.85 µg/mL) concentrations than those from the TMR and MR groups (14.98 and 22.47 µg/mL of retinol; 2.49 and 0.52 µg/mL of α-tocopherol, respectively) (p < 0.001). With respect to fat, kids with a higher intramuscular fat percentage (CM and TMR groups) had lower retinol contents (16.52 and 15.99 µg/mL, respectively) than kids from the MG and MR groups (26.81 and 22.63 µg/mL, respectively) (p < 0.001). A dilution effect of vitamins on fat was shown: the higher the amount of fat, the lower the vitamin concentrations, the higher the lipid oxidation index (MDA), and the lower the SUM (absolute value of the integral of the translated spectra between 450 and 510 nm). A discriminant analysis that included all studied variables showed that 94.4% of the kids were classified correctly according to their feeding system and could allow traceability to the consumer.
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Farghaly MM, Youssef IMI, Radwan MA, Hamdon HA. Effect of feeding Sesbania sesban and reed grass on growth performance, blood parameters, and meat quality of growing lambs. Trop Anim Health Prod 2021; 54:3. [PMID: 34882276 DOI: 10.1007/s11250-021-03006-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2021] [Accepted: 11/25/2021] [Indexed: 11/28/2022]
Abstract
This study was conducted to evaluate the effects of green fodders, fresh Sesbania sesban, and reed grass, on growth performance, blood metabolites, and meat quality of growing lambs. Twenty-one male Farafra lambs (19.0 ± 1.87 kg body weight) were randomly distributed into three groups, each with seven animals. The first group was fed on 60% concentrates and 40% fresh alfalfa, and served as a control. The second and third groups were fed also on 60% concentrates plus 40% fresh Sesbania sesban and reed grass, respectively. Lambs were fed the diets until reaching the target slaughter weight of about 50.0 kg, which was obtained after a period of 215 days. Five lambs from each group were randomly selected and slaughtered at the end of the experiment. Slaughter body weight, carcass traits weight, and dressing percentage were estimated. Chemical composition and physical properties of longissimus dorsi muscle, from the animals' right side, were determined. It was found that no significant (P > 0.05) differences among groups in body weight, average daily gain, feed conversion rate, hot carcass, dressing percentage, and carcass components were observed. The forage intake of Sesbania and alfalfa tended to be higher than that of reed forage. There were no significant (P > 0.05) differences in the blood parameters among the treatments, except the urea level which was higher in Sesbania sesban group than the reed one. However, the serum urea concentration in Sesbania and reed groups was similar to that of alfalfa. Sesbania sesban and reed forages decreased (P < 0.05) the eye muscle area and shear force in lambs when compared to the control group. The longissimus dorsi muscle of the Sesbania and reed treatments was found to be numerically higher in the moisture and lower in the fat and collagen contents than the alfalfa group. Most of meat and fat color parameters were improved by feeding of Sesbania and reed forages. In conclusion, Sesbania sesban or reed grass, as unconventional forage sources, can be used as alternatives of the commonly used alfalfa feed. Moreover, these sources could enhance the meat quality of lambs and increasing the tenderness with accepted meat and fat color. So, it can be recommended to use Sesbania or reed grass forages in diets of sheep, to overcome the rising in the price or shortage in the availability of traditional green fodders.
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Affiliation(s)
- Mohsen M Farghaly
- Department of Animal Production, Faculty of Agriculture, Assiut University, Assiut, Egypt
| | - Ibrahim M I Youssef
- Department of Nutrition and Clinical Nutrition, Faculty of Veterinary Medicine, Beni-Suef University, Beni-Suef, 62511, Egypt.
| | - Mohamed A Radwan
- Department of Animal Production, Faculty of Agriculture, Cairo University, Giza, Egypt
| | - Hatem A Hamdon
- Department of Animal Production, Faculty of Agriculture, New Valley University, New Valley, Egypt
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The Antioxidant Effect of Colombian Berry ( Vaccinium meridionale Sw.) Extracts to Prevent Lipid Oxidation during Pork Patties Shelf-Life. Antioxidants (Basel) 2021; 10:antiox10081290. [PMID: 34439538 PMCID: PMC8389266 DOI: 10.3390/antiox10081290] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2021] [Revised: 07/27/2021] [Accepted: 08/10/2021] [Indexed: 02/07/2023] Open
Abstract
A scarce amount of knowledge about the use of Colombian berry (CB) in meat products is available in the literature. This work studies the impact of the addition of CB extracts (CBE) on pork patties at three different concentrations in the range 250–750 mg/kg. CBE were characterized in terms of their polyphenolic profile and antioxidant activity [1,1-diphenyl-2-picrylhydrazyl (DPPH) radical scavenging capacity, half maximal inhibitory antioxidant concentration (IC50), 2,2′-azino-bis-3-ethylbenzothiazoline-6-sulfonic acid (ABTS), ferric reducing antioxidant power assay (FRAP) and oxygen radical absorbance capacity (ORAC) tests)]. After pork patties elaboration, instrumental and sensorial colour, as well as lipid oxidation measured as thiobarbituric acid reactive substances assay (TBARS) values, were evaluated for 10 days of refrigerated storage in a modified atmosphere (80% O2–20% CO2). The total anthocyanin composition represented 35% of the polyphenolic substances of the CBE, highlighting high contents in cyanidin derivatives. Additionally, other flavonoids (quercetin and kaempferol compounds) and phenolics acids, substances positively related to antioxidant activity, were identified and quantified. In addition, the incorporation of CBE resulted in improvements in colour and lipid stability of pork patties, especially for the highest concentration used. Our findings demonstrated that CBE could be added to pork patties without impairing their sensorial profile. Overall, our results indicate that the use of CBE as a source of natural antioxidant, natural colourant, or even as a functional ingredient could be promising, but more studies are necessary to confirm it.
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Gonzales-Barron U, Santos-Rodrigues G, Piedra RB, Coelho-Fernandes S, Osoro K, Celaya R, Maurício RS, Pires J, Tolsdorf A, Geß A, Chiesa F, Pateiro M, Brugiapaglia A, Bodas R, Baratta M, Lorenzo JM, Cadavez VA. Quality attributes of lamb meat from European breeds: Effects of intrinsic properties and storage. Small Rumin Res 2021. [DOI: 10.1016/j.smallrumres.2021.106354] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Novoselec J, Šalavardić ŽK, Samac D, Ronta M, Steiner Z, Sičaja V, Antunović Z. Slaughter Indicators, Carcass Measures, and Meat Quality of Lamb Fattened with Spelt ( Triticum aestivum spp. Spelta L.). Foods 2021; 10:foods10040726. [PMID: 33808120 PMCID: PMC8066046 DOI: 10.3390/foods10040726] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2021] [Revised: 03/18/2021] [Accepted: 03/26/2021] [Indexed: 11/16/2022] Open
Abstract
The aim of this research was to investigate the slaughter indicators, carcass measures, and meat quality of lambs fattened with spelt. Lambs consumed various feed mixtures (1000 g day−1 lamb−1): I—control group; II—group with 10% dehulled spelt; III—group with 20% dehulled spelt. In the blood, the concentrations of minerals (calcium, phosphorus, magnesium, and iron), biochemical parameters (urea, glucose, total proteins, albumin, globulin, cholesterol, triglycerides, high-density lipoprotein, low-density lipoprotein, ß-hydroxybutyrate, non-esterified fatty acids, glutathione peroxidase, and superoxide dismutase), and hepatic enzymes (alanine aminotransferase, aspartate aminotransferase, alkaline phosphatase, gamma-glutamyltransferase, and creatine kinase) were determined. After slaughter, carcass development was measured. Samples of musculus semimembranosus were taken, of which the physical properties were analyzed. By analyzing the production properties of the lambs, we found that the slaughter characteristics of the lamb carcasses and the physical properties of the lamb meat as well as most biochemical indicators and enzymes did not significantly differ. The concentrations of albumin were increased in the groups with 10% and 20% spelt, as was the activity of alkaline phosphatase in the group with 20% spelt. The presented results indicate that spelt is an appropriate ingredient in the diet for weaned lambs.
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Parrini S, Sirtori F, Acciaioli A, Becciolini V, Crovetti A, Bonelli A, Franci O, Bozzi R. Effect of farming system on meat traits of native Massese suckling lamb. ITALIAN JOURNAL OF ANIMAL SCIENCE 2021. [DOI: 10.1080/1828051x.2020.1869599] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Affiliation(s)
- Silvia Parrini
- Dipartimento di Scienze e Tecnologie Agrarie, Alimentari, Ambientali e Forestali (DAGRI), University of Florence, Firenze, Italy
| | - Francesco Sirtori
- Dipartimento di Scienze e Tecnologie Agrarie, Alimentari, Ambientali e Forestali (DAGRI), University of Florence, Firenze, Italy
| | - Anna Acciaioli
- Dipartimento di Scienze e Tecnologie Agrarie, Alimentari, Ambientali e Forestali (DAGRI), University of Florence, Firenze, Italy
| | - Valentina Becciolini
- Dipartimento di Scienze e Tecnologie Agrarie, Alimentari, Ambientali e Forestali (DAGRI), University of Florence, Firenze, Italy
| | - Alessandro Crovetti
- Dipartimento di Scienze e Tecnologie Agrarie, Alimentari, Ambientali e Forestali (DAGRI), University of Florence, Firenze, Italy
| | - Antonio Bonelli
- Dipartimento di Scienze e Tecnologie Agrarie, Alimentari, Ambientali e Forestali (DAGRI), University of Florence, Firenze, Italy
| | - Oreste Franci
- Dipartimento di Scienze e Tecnologie Agrarie, Alimentari, Ambientali e Forestali (DAGRI), University of Florence, Firenze, Italy
| | - Riccardo Bozzi
- Dipartimento di Scienze e Tecnologie Agrarie, Alimentari, Ambientali e Forestali (DAGRI), University of Florence, Firenze, Italy
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Mushi DE. Feedlot performance of Tanzanian Shorthorn Zebu finished on local feed resources. Trop Anim Health Prod 2020; 52:3207-3216. [PMID: 32638154 DOI: 10.1007/s11250-020-02346-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2019] [Accepted: 07/02/2020] [Indexed: 11/24/2022]
Abstract
A study was conducted in Hanang District to assess potential for on-farm feedlot finishing of Tanzanian Shorthorn Zebu (TSHZ) in dry season using locally available feed resources. A total of 65 (2-3 years old, 150-250 kg LWT) steers were randomly distributed into two dietary treatments in three villages. The steers were finished either in feedlots using compounded diets or under free grazing in accordance with farmers' practice. Following 90 days of feeding, all steers were slaughtered for detailed carcass and meat quality assessment. Growth performance, carcass and meat quality of experimental animals were assessed to determine feedlot performance of TSHZ. Results show that average daily gain of feedlot-finished animals (620 g/day) was nearly three-fold higher (P = 0.042) than that of grazed steers (223 g/day). Feedlot-finished steers produced 28 kg (P = 0.001) heavier carcasses than grazed ones. Carcasses from feedlot-finished steers cooled slowly as they had higher (P = 0.001) temperatures than that of grazed ones at 45 min (33.1 vs. 30.5 °C) and 6 h (21.0 vs. 19.5 °C) post-mortem. Feedlot-finished steers produced beef with higher (P = 0.003) marbling scores (3.4) than grazed ones (2.4). As a result, beef from the feedlot-finished steers was more tender (P = 0.016) than that from grazed ones, and it required 13 N less force to shear. It is concluded that TSHZ responds positively to improved feeding with significant enhancement on carcass gain and meat quality. Use of diets compounded using agro-processing by-products, instead of whole grain, can lower the cost of finishing TSHZ steers significantly.
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Affiliation(s)
- D E Mushi
- Department of Animal, aquaculture and Range Sciences, Sokoine University of Agriculture, Morogoro, Tanzania.
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Rufino-Moya PJ, Joy M, Lobón S, Bertolín JR, Blanco M. Carotenoids and Liposoluble Vitamins in the Plasma and Tissues of Light Lambs Given Different Maternal Feedings and Fattening Concentrates. Animals (Basel) 2020; 10:ani10101813. [PMID: 33027984 PMCID: PMC7601028 DOI: 10.3390/ani10101813] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2020] [Revised: 09/24/2020] [Accepted: 10/01/2020] [Indexed: 12/11/2022] Open
Abstract
Simple Summary Meat of lambs that grazed with their dams during lactation on sainfoin had longer shelf-life than that of lambs whose dams grazed on alfalfa or received straw and concentrates (intensive). This effect could be partially ascribed to a different deposition of carotenoids and tocopherols in the muscle, that could be in turn affected by condensed tannins, secondary compounds of plants with antioxidant activity. The objectives of this study were to evaluate: (1) the effect of maternal feeding (sainfoin, alfalfa, intensive) on the presence of carotenoids and liposoluble vitamins in the plasma and tissues of light lambs after a finishing period on concentrates with or without quebracho (as source of condensed tannins); and (2) the authentication of the maternal feeding using the carotenoids and tocopherols in plasma and tissues. Grazing on alfalfa and sainfoin during suckling affected the concentrations in plasma at weaning, and some of the contents in the tissues even after the concentrate feeding period. Unexpectedly, the inclusion of quebracho in the concentrate decreased the α- and γ-tocopherol content in the lamb tissues. The use of carotenoids and tocopherols has to be combined with other analytes to authenticate the feeding system during the suckling period after a finishing period. Abstract The carotenoids and liposoluble vitamins in the plasma and tissues of the lambs under different maternal feedings and fattening concentrates was studied. During lactation, 21 lambs were housed with their dams, that received a total mixed ration (intensive); 21 ewe–lamb pairs grazed on alfalfa; and 21 pairs grazed on sainfoin. After weaning, half of the lambs in each maternal feeding group received a commercial concentrate (control) and the other half a concentrate with quebracho (Schinopsis balansae), as a source of condensed tannins, until they were slaughtered (23 kg). The analyte concentrations in the plasma of lambs at weaning reflected the content in the feedstuffs. Grazing during suckling more than doubled the contents of lutein in the liver and retinol in the tissues compared to the intensive feeding. The content of α-tocopherol in the tissues was greatest in sainfoin lambs, intermediate in alfalfa lambs, and lowest in the intensive lambs. The quebracho concentrate decreased α-tocopherol (by 41–81%) and γ-tocopherol (by 65–89%) contents in the lamb tissues. The use of the analytes in the plasma at weaning correctly classified 100% of the lambs into the maternal feeding (intensive vs. grazing (alfalfa + sainfoin)) but has to be improved in the carcass and tissues separately.
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Affiliation(s)
- Pablo José Rufino-Moya
- Centro de Investigación y Tecnología Agroalimentaria de Aragón (CITA), Avda. Montañana 930, 50059 Zaragoza, Spain; (P.J.R.-M.); (M.J.); (S.L.); (J.R.B.)
- Instituto Agroalimentario de Aragón—IA2 (CITA), Universidad de Zaragoza, 50013 Zaragoza, Spain
| | - Margalida Joy
- Centro de Investigación y Tecnología Agroalimentaria de Aragón (CITA), Avda. Montañana 930, 50059 Zaragoza, Spain; (P.J.R.-M.); (M.J.); (S.L.); (J.R.B.)
- Instituto Agroalimentario de Aragón—IA2 (CITA), Universidad de Zaragoza, 50013 Zaragoza, Spain
| | - Sandra Lobón
- Centro de Investigación y Tecnología Agroalimentaria de Aragón (CITA), Avda. Montañana 930, 50059 Zaragoza, Spain; (P.J.R.-M.); (M.J.); (S.L.); (J.R.B.)
- Instituto Agroalimentario de Aragón—IA2 (CITA), Universidad de Zaragoza, 50013 Zaragoza, Spain
| | - Juan Ramón Bertolín
- Centro de Investigación y Tecnología Agroalimentaria de Aragón (CITA), Avda. Montañana 930, 50059 Zaragoza, Spain; (P.J.R.-M.); (M.J.); (S.L.); (J.R.B.)
- Instituto Agroalimentario de Aragón—IA2 (CITA), Universidad de Zaragoza, 50013 Zaragoza, Spain
| | - Mireia Blanco
- Centro de Investigación y Tecnología Agroalimentaria de Aragón (CITA), Avda. Montañana 930, 50059 Zaragoza, Spain; (P.J.R.-M.); (M.J.); (S.L.); (J.R.B.)
- Instituto Agroalimentario de Aragón—IA2 (CITA), Universidad de Zaragoza, 50013 Zaragoza, Spain
- Correspondence: ; Tel.: +34-976713194
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Physicochemical and Biochemical Properties of Ground Pork Formulated with Addition of Prunus cerasus (cv Montmorency) Extract and Subjected to Freezing Storage. ACTA UNIVERSITATIS CIBINIENSIS. SERIES E: FOOD TECHNOLOGY 2019. [DOI: 10.2478/aucft-2019-0020] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Abstract
Broad research interest is observed over last decade, toward searching for a new natural antioxidants, which could be applied in food industry. Especially attractive seems to be those rich in polyphenols, such as cherry. Thus, presented study determine the effect of cherry extract (equivalent of 20 mg and 40 mg GAE kg−1) on physicochemical properties of ground pork frozen for 80 days. Samples were analyzed for color, color change, color attractiveness, myoglobin oxidation, fat oxidation, fatty acids profile, cooking loss, texture profile. The positive effect of cherry extract was observed for fat oxidation but cooking loss was higher in samples with extract addition. Color, color change, color attractiveness, myoglobin oxidation or fatty acids profile did not differ between groups.
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12
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Hajji H, Prache S, Andueza D, Smeti S, Mahouachi M, Atti N. Reliability of visible reflectance spectroscopy in discriminating between pasture and stall-fed lambs from thin and fat-tailed sheep breeds in dry and hot environment. Animal 2019; 13:2669-2678. [PMID: 31062679 DOI: 10.1017/s1751731119000909] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
Considering the additional market value of pasture meat, many authentication methods were developed to discriminate it from meat produced in conventional systems. The visible reflectance spectroscopy technique has proved its efficiency under European conditions and breeds. The present study tested the reliability of this method to discriminate between pasture-fed (P) and stall-fed (S) lambs under North African conditions and investigated the effect of feeding system (FS) (P v. S) and breed (Barbarine; Queue Fine de l'Ouest; and Noire de Thibar) on weight and colour of perirenal, subcutaneous and caudal fat. A total of 18 P and 18 S lambs were used with 6 P and 6 S lambs for each breed. The colour and the reflectance spectrum of different fat tissues were measured. The FS affected weights of all fat tissues and all colour parameters of perirenal and subcutaneous fat (P ≤ 0.01); it almost affected redness and yellowness of caudal fat (P ≤ 0.05; P ≤ 0.01). In all adipose tissues, lightness was higher and both redness and yellowness were lower for S lambs than P lambs. The breed affected weight, lightness and redness of perirenal fat and weight and redness of subcutaneous fat with significant interaction with FS for subcutaneous fat data. To discriminate P lambs from S lambs, the reflectance spectrum of perirenal, subcutaneous and caudal fat at wavelengths between 450 and 510 nm (Method 1, M1) or at wavelengths between 400 and 700 nm using partial least squares discriminative analysis as a classification method (Method 2, M2) were used. M2 yielded to a higher proportion of correctly classified lambs compared with M1 (P = 0.001). The proportion of correctly classified lambs using M2 was 76.4, 75.0 and 80.0% for perirenal, subcutaneous and caudal fat for P lambs and 83.3, 76.4 and 100.0% for S lambs. Despite lower reliability in comparisons to European researches, this study confirmed the efficiency of visible reflectance spectroscopy technique applied on perirenal fat in feeding systems authentication under North African conditions and spotted the caudal fat as a new support for better classification of fat-tailed breeds.
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Affiliation(s)
- H Hajji
- Institut des régions Arides, IRA-Mednine, Laboratoire d'élevage et de la faune sauvage, Route du Djorf Km 22.5, 4100 Mednine, Tunisia
- University of Carthage, INRA-Tunisie, Laboratoire de Productions Animales et Fourragères, rue Hédi Karray, 2049 Ariana, Tunisia
| | - S Prache
- Institut National de la Recherche Agronomique, INRA, UMR1213 Herbivores, F-63122 Saint-Genès-Champanelle, France
| | - D Andueza
- Institut National de la Recherche Agronomique, INRA, UMR1213 Herbivores, F-63122 Saint-Genès-Champanelle, France
| | - S Smeti
- University of Carthage, INRA-Tunisie, Laboratoire de Productions Animales et Fourragères, rue Hédi Karray, 2049 Ariana, Tunisia
| | - M Mahouachi
- University of Jendouba, ESAK, Route de Dahmani-Boulifa 7100 Le Kef, Tunisia
| | - N Atti
- University of Carthage, INRA-Tunisie, Laboratoire de Productions Animales et Fourragères, rue Hédi Karray, 2049 Ariana, Tunisia
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Blanco M, Lobón S, Bertolín JR, Joy M. Effect of the maternal feeding on the carotenoid and tocopherol content of suckling lamb tissues. Arch Anim Nutr 2019; 73:472-484. [PMID: 31455111 DOI: 10.1080/1745039x.2019.1655354] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
The objectives of the present study were to quantify the deposition of carotenoids and tocopherols in the tissues of suckling lamb and to use the levels of those compounds to trace the maternal feeding. Twenty suckling lambs were raised with their dams in vegetative-stage pastures, and 19 suckling lambs were stalled indoors with dams that received hay ad libitum, until the lambs reached 10-12 kg. The lambs' weekly intake of carotenoids and tocopherols was estimated from the milk production of the ewes and the carotenoid and tocopherol content of the milk. Samples of the subcutaneous and perirenal fat, longissimus thoracis muscle, and liver of the suckling lambs were collected at 24 h after slaughter. The pasture-raised lambs had greater intake of lutein than their indoor counterparts throughout the suckling period (p < 0.05), more retinol during the second and third weeks of the suckling period (p < 0.05), and more α-tocopherol during the first three weeks of the suckling period (p < 0.05), being similar thereafter. The pasture-raised lambs, when compared to the lambs raised indoors, had greater lutein content in the muscle and liver (p < 0.001), retinol and α-tocopherol content in all tissues (p < 0.001) and muscle and liver γ-tocopherol content (p < 0.05). The maternal feeding could be accurately predicted from the carotenoid and tocopherol content of whole lamb carcasses and muscle tissue but not from those of ewes' milk, lamb liver tissue or lamb fat deposits.
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Affiliation(s)
- Mireia Blanco
- Unidad de Producción y Sanidad Animal, Centro de Investigación y Tecnología Agroalimentaria de Aragón (CITA), Instituto Agroalimentario de Aragón (CITA-Universidad de Zaragoza) , Zaragoza , Spain
| | - Sandra Lobón
- Unidad de Producción y Sanidad Animal, Centro de Investigación y Tecnología Agroalimentaria de Aragón (CITA), Instituto Agroalimentario de Aragón (CITA-Universidad de Zaragoza) , Zaragoza , Spain
| | - Juan Ramón Bertolín
- Unidad de Producción y Sanidad Animal, Centro de Investigación y Tecnología Agroalimentaria de Aragón (CITA), Instituto Agroalimentario de Aragón (CITA-Universidad de Zaragoza) , Zaragoza , Spain
| | - Margalida Joy
- Unidad de Producción y Sanidad Animal, Centro de Investigación y Tecnología Agroalimentaria de Aragón (CITA), Instituto Agroalimentario de Aragón (CITA-Universidad de Zaragoza) , Zaragoza , Spain
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14
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Calnan HB, Jacob RH, Pethick DW, Gardner GE. Initial Bloom Color is a Poor Predictor of Retail Color Stability in Lamb Loin Meat. MEAT AND MUSCLE BIOLOGY 2019. [DOI: 10.22175/mmb2018.10.0031] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022] Open
Abstract
The rapid browning of lamb meat on retail display reduces its appeal to consumers and thus the marketability of lamb meat. Predicting the rate of meat browning on retail display would allow retailers to effectively manage this issue. The ability of bloomed meat color at the start of retail display to predict meat browning over subsequent retail display was investigated in lamb loin meat. Mixed breed lambs (n = 4404) produced at 5 sites over 5 yr were slaughtered at ∼23kg carcass weight and measured for loin pH at 24 h, myoglobin, iron and zinc concentrations, isocitrate dehydrogenase activity and intramuscular fat. Loin meat was aged for 5 d before being re-sliced and overwrapped for color measurement over a 72 h simulated retail display. Meat redness (R630/R580) was measured after blooming and every 24 h across display using a Hunterlab spectrophotometer. Simple and partial correlation coefficients between initial and subsequent R630/R580 measures over the display were low (≤ 0.4). Accounting for key muscle traits influencing meat color such as pH24, myoglobin, iron or intramuscular fat concentration did not improve these correlations between bloomed meat color and subsequent meat color over retail display. Therefore bloomed meat color at the start of display is not a useful predictor of meat browning after 24 h of retail display. Alternatively, correlations between 24, 48, and 72 h R630/R580 were > 0.8, suggesting that meat color measured from 24 h of display can accurately predict subsequent retail meat browning.
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Affiliation(s)
- Honor B. Calnan
- Australian Cooperative Research Center for Sheep Industry Innovation
| | - Robin H. Jacob
- Australian Cooperative Research Center for Sheep Industry Innovation
| | - David W. Pethick
- Australian Cooperative Research Center for Sheep Industry Innovation
| | - Graham E. Gardner
- Australian Cooperative Research Center for Sheep Industry Innovation
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15
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Lobón S, Blanco M, Sanz A, Ripoll G, Joy M. Effects of feeding strategies during lactation and the inclusion of quebracho in the fattening on performance and carcass traits in light lambs. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2019; 99:457-463. [PMID: 29926928 DOI: 10.1002/jsfa.9207] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/14/2017] [Revised: 06/08/2018] [Accepted: 06/14/2018] [Indexed: 06/08/2023]
Abstract
BACKGROUND The interest for grazing systems and the use of condensed tannins (CTs) as sources of natural antioxidants in animal diets has been increasing in recent years. The objective was to study the animal performance and carcass quality of the lambs according to the feeding strategy during lactation (indoors, grazing alfalfa, grazing sainfoin) and the inclusion of quebracho as a source of CTs (50 g kg-1 ) in the fattening concentrate. RESULTS The feeding strategy during lactation only had effects on carcass quality. Indoor lambs had a greater dressing percentage and deposition of kidney fat than sainfoin and alfalfa lambs. The kidney fat of sainfoin- and alfalfa-fed lambs had a greater yellowness, chroma and carotenoid content than the fat of indoor-fed lambs (P < 0.05), whereas the subcutaneous fat colour was not affected by the feeding during lactation. The use of fat colour to trace the feeding strategy was assessed and found insufficiently accurate to implement its use. The inclusion of 50 g kg-1 quebracho in the concentrate fed during the fattening period increased lamb weight gains and feed intake but had little effect on the carcass characteristics. CONCLUSIONS The feeding strategies during lactation had an effect on the carcass characteristics, highlighting the importance of the dam's diet during this period. The inclusion of quebracho in the lamb's concentrate had minor effects. © 2018 Society of Chemical Industry.
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Affiliation(s)
- Sandra Lobón
- Centro de Investigación y Tecnología Agroalimentaria de Aragón (CITA), Instituto Agroalimentario de Aragón-IA2 (CITA-Universidad de Zaragoza), Zaragoza, Spain
| | - Mireia Blanco
- Centro de Investigación y Tecnología Agroalimentaria de Aragón (CITA), Instituto Agroalimentario de Aragón-IA2 (CITA-Universidad de Zaragoza), Zaragoza, Spain
| | - Albina Sanz
- Centro de Investigación y Tecnología Agroalimentaria de Aragón (CITA), Instituto Agroalimentario de Aragón-IA2 (CITA-Universidad de Zaragoza), Zaragoza, Spain
| | - Guillermo Ripoll
- Centro de Investigación y Tecnología Agroalimentaria de Aragón (CITA), Instituto Agroalimentario de Aragón-IA2 (CITA-Universidad de Zaragoza), Zaragoza, Spain
| | - Margalida Joy
- Centro de Investigación y Tecnología Agroalimentaria de Aragón (CITA), Instituto Agroalimentario de Aragón-IA2 (CITA-Universidad de Zaragoza), Zaragoza, Spain
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16
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Blanco M, Ripoll G, Casasús I, Bertolín JR, Joy M. Carotenoids and tocopherol in plasma and subcutaneous fat colour to trace forage-feeding in growing steers. Livest Sci 2019. [DOI: 10.1016/j.livsci.2018.12.003] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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17
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Ripoll G, Blanco M, Panea B, Joy M. The effect of carcass weight on fatness and muscle and fat colour of male Ojinegra de Teruel light lambs. ANIMAL PRODUCTION SCIENCE 2019. [DOI: 10.1071/an17903] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
This study aimed to evaluate the effects of increases in lamb carcass weight in 1-kg steps from 8 to 11 kg on carcass fatness, muscle colour, subcutaneous and renal fat colour, tissue composition of the thoracic limb, and intramuscular fatty acid composition. Sixty-two carcasses from Ojinegra de Teruel male lambs fed concentrates ad libitum and barley straw were used. Both carcass scores and renal fat weight increased with carcass weight (P = 0.0001), but the percentage increase in renal fat weight was twice that of fat scores. Renal fat was prone to store carotenoids earlier than caudal fat, resulting in increased chroma. With increasing carcass weight, muscle colour became less light (decreased L* (P = 0.0001) and an increased in chroma scores (P = 0.001). Increments of 1 kg of carcass weight led to noticeable changes in the M. rectus abdominis colour, except at the increment from 10 kg to 11 kg. Slaughtering lambs at light weights was found to be advisable because renal fat is not a valuable part of the carcass. The lean percentage of the thoracic limb did not increase with carcass weight, as the increased muscle:bone ratio (P = 0.0001) was offset by an increased fat percentage (especially the intermuscular fat %). Changes with increasing carcass weight in the proportions of the main fatty acids in intramuscular fat were small. Moreover, intramuscular fat did not change in quantity or quality. However, when selling carcasses at heavier weights is preferred, achieving carcasses of 11 kg rather than 10 kg was found to be advisable because the deposition of fat in both was similar. Breeds that deposit fat earlier than the breed used in this study should be fed low-energy diets to improve carcass quality. This feeding strategy could also be considered if fat deposition differs between sexes.
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Effect of Diet Supplementation with Quinoa Seed and/or Linseed on Immune Response, Productivity and Meat Quality in Merinos Derived Lambs. Animals (Basel) 2018; 8:ani8110204. [PMID: 30423800 PMCID: PMC6262584 DOI: 10.3390/ani8110204] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2018] [Revised: 11/05/2018] [Accepted: 11/08/2018] [Indexed: 11/29/2022] Open
Abstract
Simple Summary Stressful conditions can play an important role in affecting welfare, productive performances and meat quality of lambs. The relation between nutrition and immune response has been investigated in the livestock production, particularly in dairy cattle and sheep. Due to costs related to animal feed it is useful to evaluate the proper feeding strategy supplementation for improving animal welfare and lamb meat quality. The present study aimed to evaluate the effects of supplementation with linseed, quinoa seed and their combination on metabolic profile, immune system, and cortisol response in blood and on meat quality of merinos derived lambs. Both linseed and quinoa supplementation enhanced the immune responses of lambs, and showed a hypo cholesterol effect on blood of lambs. Moreover, lambs supplemented with linseed resulted in the lowest level of cortisol secretion during the loading test demonstrating the link between stress and the immune system. In addition, data from the present experiment highlighted that linseed supplementation in lambs enhance meat quality producing a better meat tenderness. These findings should be considered for development of specific strategies aimed at improving the quality of meat and sustaining lambs’ welfare. Abstract In the last years several studies have investigated the strong relation between nutrition and immune response in the livestock production, particularly in dairy cattle and sheep. The aim of this study was to evaluate the effects of supplementation based on linseed, quinoa seeds and their combination on welfare, productivity and quality of meat from merinos derived lambs. 32 weaned lambs were divided into 4 experimental groups: quinoa (Q), linseed (LS) and combination of quinoa and linseed (LS + Q) that received the respective supplementation and control group (C) without supplementation. Lambs from all supplemented groups showed lower plasma urea, creatinine and cholesterol than control. Both linseed and quinoa supplementation enhanced the cell-mediated immune responses of lambs, furthermore, linseed supplementation resulted in the lowest level of cortisol secretion after handling, loading and transport. Meat from lambs supplemented with linseed and LS + Q showed the highest pH, at 1 and 3 h post-mortem, while, meat from all supplemented groups was more tender than meat from control. Results indicated that linseed and quinoa seeds supplementation can help the animal to cope with stressful events due to the close link between stress responses and the immune system and for improving meat quality in terms of better tenderness.
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Lobón S, Blanco M, Sanz A, Ripoll G, Bertolín JR, Joy M. Meat quality of light lambs is more affected by the dam's feeding system during lactation than by the inclusion of quebracho in the fattening concentrate. J Anim Sci 2018; 95:4998-5011. [PMID: 29293726 DOI: 10.2527/jas2017.1595] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
The inclusion of natural antioxidants in the diet, through fresh forages or condensed tannins, might prolong meat shelf life and modify the meat quality. The aim of this study was to evaluate the effect of the dam's feeding system during lactation and the inclusion of quebracho in the fattening concentrate of male lambs on meat color, chemical composition, and lipid oxidation. Dams and their suckling lambs were fed indoors or allowed to graze on alfalfa or sainfoin until lambs reached 42 d old. Thereafter, the weaned lambs were fed concentrates with 5% quebracho or without quebracho until reaching 22 to 24 kg BW. Meat of suckling lambs from dam's fed indoors (Indoor lambs) presented greater intramuscular fat content and lower α-tocopherol content than meat of suckling lambs from dam's fed Alfalfa (Alfalfa lambs) and Sainfoin (Sainfoin lambs; < 0.01), independent of the fattening diet. Regarding meat color of longissimus thoracis et lumborum muscle, on average, Indoor lambs' meat presented greater lightness, yellowness, and hue angle values than Alfalfa and Sainfoin lambs' meat ( < 0.05). The redness was affected by the interaction between the feeding system during lactation and the time of storage, but, on average, Alfalfa and Sainfoin lambs had greater redness than Indoor lambs ( < 0.05). The lipid oxidation from 5 to 14 d of meat display time observed for Sainfoin lambs was lower than that for Indoor lambs ( < 0.05). The intramuscular fatty acid profile of meat from the Sainfoin and Alfalfa lambs met particularly well the Food and Agriculture Organization of the United Nations recommendation for human health, compared that of meat from the Indoor lambs. The dietary inclusion of quebracho during fattening modified meat α-tocopherol content, oxymyoglobin levels after 8 d of storage, and fatty acid profiles. In conclusion, the results indicate higher importance of the diet during suckling than during the subsequent fattening period on meat quality parameters such as color, lipid oxidation, and fatty acid profile. Dams grazing Sainfoin provide a more stable lamb meat, and it would be cheaper to feed the dams with fresh forages with a high α-tocopherol content than supplementing the concentrate of the lambs with synthetic α-tocopherol.
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20
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Alfalfa but not milk in lamb's diet improves meat fatty acid profile and α-tocopherol content. Food Res Int 2018; 107:708-716. [DOI: 10.1016/j.foodres.2018.03.007] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2017] [Revised: 02/27/2018] [Accepted: 03/04/2018] [Indexed: 01/26/2023]
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21
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Ripoll G, Lobón S, Joy M. Use of visible and near infrared reflectance spectra to predict lipid peroxidation of light lamb meat and discriminate dam's feeding systems. Meat Sci 2018; 143:24-29. [PMID: 29684841 DOI: 10.1016/j.meatsci.2018.04.006] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2017] [Revised: 09/12/2017] [Accepted: 04/06/2018] [Indexed: 11/29/2022]
Abstract
Measurement of thiobarbituric acid reactive substances (TBARS) is a well-established method for determine lipid oxidation in meat. This assay, however, is time-consuming and generates undesired chemical waste. Dam's milk is the principal source of vitamins and provitamins that delay lipid oxidation of light lamb meat; these compounds are stored in the lamb's muscle tissue. Hence, lamb meat could be used to determine the origin of the dam's diet. The aim of this study is to evaluate Near-infrared reflectance spectroscopy (NIRS) as a tool for determining the lipid peroxidation of light lamb meat and differentiate the meat of light lambs according the diet of their dams during lactation (grazing alfalfa, lucerne, or fed a total mixed ration). NIRS using select wavelengths was able to detect the lipid oxidation of meat (TBARS method). NIRS can detect analytes at concentrations of parts per million. Moreover, the feed diets were discriminated successfully.
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Affiliation(s)
- G Ripoll
- Centro de Investigación y Tecnología Agroalimentaria de Aragón (CITA), Instituto Agroalimentario de Aragón - IA2 (CITA-Universidad de Zaragoza), Avda. Montañana, 930, 50059 Zaragoza, Spain.
| | - S Lobón
- Centro de Investigación y Tecnología Agroalimentaria de Aragón (CITA), Instituto Agroalimentario de Aragón - IA2 (CITA-Universidad de Zaragoza), Avda. Montañana, 930, 50059 Zaragoza, Spain
| | - M Joy
- Centro de Investigación y Tecnología Agroalimentaria de Aragón (CITA), Instituto Agroalimentario de Aragón - IA2 (CITA-Universidad de Zaragoza), Avda. Montañana, 930, 50059 Zaragoza, Spain
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22
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Leal LN, Beltrán JA, Alonso V, Bello JM, den Hartog LA, Hendriks WH, Martín-Tereso J. Dietary vitamin E dosage and source affects meat quality parameters in light weight lambs. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2018; 98:1606-1614. [PMID: 28833195 DOI: 10.1002/jsfa.8635] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/22/2017] [Revised: 08/04/2017] [Accepted: 08/17/2017] [Indexed: 06/07/2023]
Abstract
BACKGROUND Supra-nutritional vitamin E supplementation is a commonly used approach to delay lipid oxidation and colour deterioration in lamb and beef meat marketed under modified atmosphere packaging. However, these applications lack a precise calibration of dose for the desired effect and, in addition, limited information is available regarding the use of natural vitamin E for this purpose. RESULTS Three hundred and sixty Rasa Aragonesa lambs were fed diets supplemented with all-rac-α-tocopheryl acetate (250, 500, 1000 and 2000 mg kg-1 compound feed), RRR-α-tocopheryl acetate (125, 250, 500 and 1000 mg kg-1 compound feed) and a basal diet without vitamin E supplementation for 14 days before slaughter at 25.8 ± 1.67 kg body weight. Vitamin E supplementation had no effect (P > 0.05) on average daily weight gain, feed intake and feed efficiency. Display time had larger effects on lipid oxidation, colour stability, myoglobin forms and meat discolouration parameters compared to vitamin E supplementation. However, vitamin E source and dosage significantly extended meat shelf-life as indicated by lipid oxidation, redness, hue angle, metmyoglobin formation, deoxymyoglobin formation, A580-630 and ISO2 . CONCLUSION The quantification of these effects demonstrated that the biological activity value of 1.36 used to distinguish both vitamin E sources is not appropriate for meat quality enhancing properties. © 2017 Society of Chemical Industry.
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Affiliation(s)
- Leonel N Leal
- Trouw Nutrition Research and Development, Boxmeer, The Netherlands
- Department of Animal Sciences, Animal Nutrition group, Wageningen University & Research, Wageningen, The Netherlands
| | - José A Beltrán
- Departamento Tecnología de los Alimentos, Facultad de Veterinaria, Zaragoza, Spain
| | - Verónica Alonso
- Departamento Tecnología de los Alimentos, Facultad de Veterinaria, Zaragoza, Spain
| | | | - Leo A den Hartog
- Trouw Nutrition Research and Development, Boxmeer, The Netherlands
- Department of Animal Sciences, Animal Nutrition group, Wageningen University & Research, Wageningen, The Netherlands
| | - Wouter H Hendriks
- Department of Animal Sciences, Animal Nutrition group, Wageningen University & Research, Wageningen, The Netherlands
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Pogorzelska E, Godziszewska J, Brodowska M, Wierzbicka A. Antioxidant potential of Haematococcus pluvialis extract rich in astaxanthin on colour and oxidative stability of raw ground pork meat during refrigerated storage. Meat Sci 2017; 135:54-61. [PMID: 28898754 DOI: 10.1016/j.meatsci.2017.09.002] [Citation(s) in RCA: 43] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2017] [Revised: 09/01/2017] [Accepted: 09/02/2017] [Indexed: 11/24/2022]
Abstract
Astaxanthin is proven to be one of the most potent, naturally occurring antioxidants. A rich source of astaxanthin is algae Haematoccocus pluvialis (H. pluvialis). The aim of the study was to investigate antioxidant effect of H. pluvalis extract added in different levels (0.15, 0.3 or 0.45g/kg of meat) on colour and oxidative stability of raw ground pork meat during refrigerated storage (7days). Obtained data revealed that DPPH scavenging activity of the extract at the concentration of 0.45g/kg of meat was as high as 85%. Moreover, application of higher extract doses (0.3 and 0.45g/kg) delayed lipids oxidation (lower TBARS value than control) and improved colour stability (increased a* colour parameter). Additionally, usage of 0.3 and 0.45g/kg had a positive effect on meat acceptance declared by consumers' at the final day of storage. However, the extract of H. pluvialis had no antimicrobial or antioxidative activity against myoglobin oxidation.
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Affiliation(s)
- Ewelina Pogorzelska
- Department of Technique and Food Development, Faculty of Human Nutrition and Consumer Sciences, Warsaw University of Life Sciences (WULS - SGGW), Nowoursynowska Street 159 c, 02-776 Warsaw, Poland.
| | - Jolanta Godziszewska
- Department of Technique and Food Development, Faculty of Human Nutrition and Consumer Sciences, Warsaw University of Life Sciences (WULS - SGGW), Nowoursynowska Street 159 c, 02-776 Warsaw, Poland
| | - Marta Brodowska
- Department of Technique and Food Development, Faculty of Human Nutrition and Consumer Sciences, Warsaw University of Life Sciences (WULS - SGGW), Nowoursynowska Street 159 c, 02-776 Warsaw, Poland
| | - Agnieszka Wierzbicka
- Department of Technique and Food Development, Faculty of Human Nutrition and Consumer Sciences, Warsaw University of Life Sciences (WULS - SGGW), Nowoursynowska Street 159 c, 02-776 Warsaw, Poland
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24
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Proteomic approach to investigate the impact of different dietary supplementation on lamb meat tenderness. Meat Sci 2017; 131:74-81. [DOI: 10.1016/j.meatsci.2017.04.235] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2016] [Revised: 04/28/2017] [Accepted: 04/28/2017] [Indexed: 11/21/2022]
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25
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Lobón S, Sanz A, Blanco M, Ripoll G, Joy M. The type of forage and condensed tannins in dams’ diet: Influence on meat shelf life of their suckling lambs. Small Rumin Res 2017. [DOI: 10.1016/j.smallrumres.2017.08.005] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
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26
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Nitrogen stable isotope and carotenoid pigments signatures in the meat as tools to trace back the diet: Comparison between two sheep breeds. Small Rumin Res 2017. [DOI: 10.1016/j.smallrumres.2017.05.013] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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27
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Boughalmi A, Araba A. Effect of feeding management from grass to concentrate feed on growth, carcass characteristics, meat quality and fatty acid profile of Timahdite lamb breed. Small Rumin Res 2016. [DOI: 10.1016/j.smallrumres.2016.09.013] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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De Brito GF, Ponnampalam EN, Hopkins DL. The Effect of Extensive Feeding Systems on Growth Rate, Carcass Traits, and Meat Quality of Finishing Lambs. Compr Rev Food Sci Food Saf 2016; 16:23-38. [PMID: 33371548 DOI: 10.1111/1541-4337.12230] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2016] [Revised: 08/26/2016] [Accepted: 08/30/2016] [Indexed: 12/21/2022]
Abstract
This review aims to summarize the relevant published information about the effects of extensive feeding systems on the carcass and meat quality characteristics of lambs. Lambs finished in a feedlot or with supplementation under extensive systems exhibit faster growth rates, achieve target weights quicker, and produce heavier carcass weights when compared to grazing lambs. However, the literature also shows that finishing lambs on high-quality pasture can produce satisfactory growth rates without compromising carcass and meat quality traits. Lately, the consumer demand for products perceived as "healthy" and that are produced where animal welfare is optimal under systems which do not impact negatively on the environment, has heightened the interest in lamb production under extensive systems. Lambs raised on pasture can meet many of these specifications. Also, lambs fed higher quality green pasture can produce meat with greater amounts of health-claimable omega-3 fatty acids such as eicosapentaenoic acid plus docosahexaenoic acid than feeding systems based on feedlot pellets, grain, or dry pasture/straw. It is apparent that in some previous published research, the number of animals allocated for each treatment, and the lack of replicates, makes it difficult to formulate a correct understanding of the effect of forages on lamb carcass and meat quality. Future research should concentrate on the effect of legume, improved pasture, and specialized forage finishing systems on growth rate, carcass traits, and nutritional value of meat using well-designed experiments with an adequate number of lambs and appropriate paddock replicates per treatment.
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Affiliation(s)
- Gerlane F De Brito
- Faculty of Veterinary and Agricultural Sciences, São Paulo State Uni, Jaboticabal, São Paulo, Brazil.,Centre for Red Meat and Sheep Development, NSW Dept. Primary Industries, Cowra, NSW, 2794, Australia
| | - Eric N Ponnampalam
- Agriculture Research, Agriculture Victoria (Dept. of Economic Development, Jobs, Transport and Resources), Attwood, Victoria, 3049, Australia
| | - David L Hopkins
- Centre for Red Meat and Sheep Development, NSW Dept. Primary Industries, Cowra, NSW, 2794, Australia
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Calnan H, Jacob R, Pethick D, Gardner G. Production factors influence fresh lamb longissimus colour more than muscle traits such as myoglobin concentration and pH. Meat Sci 2016; 119:41-50. [DOI: 10.1016/j.meatsci.2016.04.009] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2015] [Revised: 04/06/2016] [Accepted: 04/08/2016] [Indexed: 10/21/2022]
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Camacho A, Torres A, Capote J, Mata J, Viera J, Bermejo LA, Argüello A. Meat quality of lambs (hair and wool) slaughtered at different live weights. JOURNAL OF APPLIED ANIMAL RESEARCH 2016. [DOI: 10.1080/09712119.2016.1205498] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Affiliation(s)
- A. Camacho
- Department of Engineering, Group of Animal Production and Rural Development, Production and Agricultural Economy, La Laguna University, La Laguna, Spain
| | | | | | - J. Mata
- Department of Engineering, Group of Animal Production and Rural Development, Production and Agricultural Economy, La Laguna University, La Laguna, Spain
| | - J. Viera
- Department of Engineering, Agricultural Economy, Sociology and Policy Unit, Production and Agricultural Economy, La Laguna University, La Laguna, Spain
| | - L. A. Bermejo
- Department of Engineering, Group of Animal Production and Rural Development, Production and Agricultural Economy, La Laguna University, La Laguna, Spain
- Department of Engineering, Agricultural Economy, Sociology and Policy Unit, Production and Agricultural Economy, La Laguna University, La Laguna, Spain
| | - A. Argüello
- Animal Production Unit, Las Palmas de Gran Canaria University, Arucas, Spain
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Karaca S, Yılmaz A, Kor A, Bingöl M, Cavidoğlu İ, Ser G. The effect of feeding system on slaughter-carcass characteristics, meat quality, and fatty acid composition of lambs. Arch Anim Breed 2016. [DOI: 10.5194/aab-59-121-2016] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022] Open
Abstract
Abstract. In this study, we aimed to determine the slaughter-carcass characteristics, meat quality, and fatty acid composition in lambs raised under intensive and extensive conditions. The animal material consisted of 30 Norduz male lambs, with an average age of 171 days. The lambs were divided into two groups: concentrate-fed lambs (CO) and pasture-fed lambs (PS). The results showed that the CO lambs had heavier carcasses (p< 0.001), a higher dressing percentage (p< 0.001), and higher intramuscular fat (p< 0.01) than the PS lambs. It was determined that the longissimus thoracis muscle of the CO lambs had a lower ultimate pH and higher L* and water-holding capacity than the PS lambs. In this study, intramuscular fat (longissimus thoracis, semimembranosus, triceps brachii), subcutaneous and tail fat samples were used to evaluate the effect of feeding system on fatty acid composition. The polyunsaturated fatty acid to saturated fatty acid ratio (PUFA ∕ SFA) of intramuscular fat was found to be significantly higher in the CO group than in the PS lambs, while similar subcutaneous and tail fat results were found in both groups. Moreover, the PS lambs had a lower n6 ∕ n3 ratio and higher percentage of omega-3 than the CO lambs in all tissues studied (p< 0.05). Overall, the CO lambs have heavier and fattier carcasses with better meat quality traits than the PS lambs. However, the effects of feeding system have varying results based on the fatty acid composition of different types of fat deposits.
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Effects of grape pomace in growing lamb diets compared with vitamin E and grape seed extract on meat shelf life. Meat Sci 2016; 116:221-9. [PMID: 26908145 DOI: 10.1016/j.meatsci.2016.02.022] [Citation(s) in RCA: 64] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2015] [Revised: 12/23/2015] [Accepted: 02/11/2016] [Indexed: 12/19/2022]
Abstract
The effect of dietary treatment (CTRL, control; VIT-E, 500 mg kg(-1) vitamin E; GSE, 50 mg grape seed extract kg(-1); GP-5, 5% dried red grape pomace kg(-1)) on shelf life of lamb meat was studied. After slaughter (27 kg LBW), m. longissimus thoracis et lumborum was sliced, packaged under modified atmosphere (80:20%/O2:CO2) and stored in retail conditions for 14 days. At each sampling day (0, 4, 7, 11, 14), microbiological, physico-chemical and sensory characteristics were analysed. Meat from VIT-E presented lower microbial counts than CTRL, GSE and GP-5, without differences between polyphenol treatments (GSE and GP-5) and CTRL. Vitamin E reduced meat discoloration and lipid oxidation (TBARS values) from day 7 with respect to the other treatments. Although not significant, an improvement in TBARS values of about 20% was observed for GSE and GP-5, compared with CTRL, from day 7 of storage. VIT-E dietary treatment was more effective in preventing sensory spoilage than the other treatments.
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Aguayo-Ulloa L, Pascual-Alonso M, Olleta J, Sañudo C, Miranda-de la Lama G, María G. Effect of a screen with flaps and straw on behaviour, stress response, productive performance and meat quality in indoor feedlot lambs. Meat Sci 2015; 105:16-24. [DOI: 10.1016/j.meatsci.2015.02.008] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2014] [Revised: 01/07/2015] [Accepted: 02/17/2015] [Indexed: 11/28/2022]
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Gallardo B, Manca M, Mantecón A, Nudda A, Manso T. Effects of linseed oil and natural or synthetic vitamin E supplementation in lactating ewes' diets on meat fatty acid profile and lipid oxidation from their milk fed lambs. Meat Sci 2015; 102:79-89. [DOI: 10.1016/j.meatsci.2014.12.006] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2014] [Revised: 12/07/2014] [Accepted: 12/12/2014] [Indexed: 12/13/2022]
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35
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Teixeira DL, Miranda-de la Lama G, Villarroel M, Olleta JL, García-Belenguer S, Escós J, María GA. Effects of alternative bedding substrates on lamb welfare, productive performance, and meat quality during the finishing phase of fattening. J Vet Behav 2015. [DOI: 10.1016/j.jveb.2014.12.011] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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36
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Álvarez R, Meléndez-Martínez AJ, Vicario IM, Alcalde MJ. Carotenoid and Vitamin A Contents in Biological Fluids and Tissues of Animals as an Effect of the Diet: A Review. FOOD REVIEWS INTERNATIONAL 2015. [DOI: 10.1080/87559129.2015.1015139] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Howes NL, Bekhit AEDA, Burritt DJ, Campbell AW. Opportunities and Implications of Pasture-Based Lamb Fattening to Enhance the Long-Chain Fatty Acid Composition in Meat. Compr Rev Food Sci Food Saf 2014; 14:22-36. [DOI: 10.1111/1541-4337.12118] [Citation(s) in RCA: 51] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2014] [Accepted: 09/04/2014] [Indexed: 11/30/2022]
Affiliation(s)
- Natalie L. Howes
- AbacusBio Limited; Dunedin New Zealand
- Dept. of Food Science; Univ. of Otago; Dunedin New Zealand
- Dept. of Botany; Univ. of Otago; Dunedin New Zealand
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38
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Effect of pasture and concentrate diets on concentrations of carotenoids, vitamin A and vitamin E in plasma and adipose tissue of lambs. J Food Compost Anal 2014. [DOI: 10.1016/j.jfca.2014.08.001] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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39
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Aguayo-Ulloa LA, Villarroel M, Pascual-Alonso M, Miranda-de la Lama GC, María GA. Finishing feedlot lambs in enriched pens using feeder ramps and straw and its influence on behavior and physiological welfare indicators. J Vet Behav 2014. [DOI: 10.1016/j.jveb.2014.07.005] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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40
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Muela E, Alonso V, Campo M, Sañudo C, Beltrán J. Antioxidant diet supplementation and lamb quality throughout preservation time. Meat Sci 2014; 98:289-95. [DOI: 10.1016/j.meatsci.2014.05.035] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2013] [Revised: 03/27/2014] [Accepted: 05/30/2014] [Indexed: 11/28/2022]
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41
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Álvarez R, Vicario IM, Meléndez-Martínez AJ, Alcalde MJ. Effect of different carotenoid-containing diets on the vitamin A levels and colour parameters in Iberian pigs' tissues: utility as biomarkers of traceability. Meat Sci 2014; 98:187-92. [PMID: 24967537 DOI: 10.1016/j.meatsci.2014.05.026] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2013] [Revised: 05/23/2014] [Accepted: 05/30/2014] [Indexed: 11/28/2022]
Abstract
Retinol and fat colour parameters in Iberian pigs fed on different carotenoid-containing diets were assessed. Thirty animals in two groups were considered: Iberian breed pigs fed on acorns and grass (Montanera) and on concentrate (Cebo). Carotenoids and retinoids were analysed in the diets and in plasma, liver and perirenal fat of the animals by HPLC and HPLC-MS. Retinol levels in plasma and fat were similar in Montanera and Cebo animals. The utility of retonids and colour parameters as traceability index was also explored. Retinoids in liver classified correctly 93% of the animals according to their diet L* and hab. CIELAB parameters of the perirenal fat discriminated correctly 78.6% of the animals according to their diet. L* values for the Montanera animals were significantly different (P<0.01) from those fed on concentrate. It can be claimed that the liver retinol profile and fat colour parameters can be useful for feeding traceability purposes in Iberian pigs breed in Montanera and Cebo.
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Affiliation(s)
- R Álvarez
- Dept. Agricultural and Forestry Science, Universidad de Sevilla, Seville, Spain
| | - I M Vicario
- Food Colour& Quality Laboratory, Dept. of Nutrition and Food Science, Universidad de Sevilla, Seville, Spain.
| | - A J Meléndez-Martínez
- Food Colour& Quality Laboratory, Dept. of Nutrition and Food Science, Universidad de Sevilla, Seville, Spain
| | - M J Alcalde
- Dept. Agricultural and Forestry Science, Universidad de Sevilla, Seville, Spain
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42
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Effect of enriched housing on welfare, production performance and meat quality in finishing lambs: the use of feeder ramps. Meat Sci 2014; 97:42-8. [PMID: 24486685 DOI: 10.1016/j.meatsci.2014.01.001] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2013] [Revised: 10/14/2013] [Accepted: 01/06/2014] [Indexed: 11/20/2022]
Abstract
This study analyses the effect of environmental enrichment on the welfare, productive traits and meat quality of lambs housed in feedlots. Sixty lambs were placed in enriched (EE) or conventional (CO) pens (3 pens for each treatment, 10 lambs/pen) where EE had a wooden platform with ramps that provided access to a concentrate hopper, cereal straw as bedding and forage, and one play ramp. The CO pen was barren, similar to commercial feedlots. The physiological adaptation response of EE lambs was more efficient than CO, since the latter mobilised more body reserves (i.e., increased NEFA, P<0.05), and had lower levels of immunity (i.e., increased N/L, P<0.05), which indicate chronic stress, probably associated with the barren environment. The EE lambs had a higher (P<0.05) average daily gain, with heavier carcasses and higher fattening scores, as well as lower pHult, higher L and b values, and lower values of texture (P<0.05).
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Mamani-Linares L, Gallo C. Effects of supplementary feeding on carcass and meat quality traits of young llamas (Lama glama). Small Rumin Res 2013. [DOI: 10.1016/j.smallrumres.2013.06.011] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Zawadzki F, do Prado I, Prache S. Influence of level of barley supplementation on plasma carotenoid content and fat spectrocolorimetric characteristics in lambs fed a carotenoid-rich diet. Meat Sci 2013; 94:297-303. [DOI: 10.1016/j.meatsci.2013.03.004] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2012] [Revised: 03/04/2013] [Accepted: 03/05/2013] [Indexed: 10/27/2022]
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45
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Zurita-Herrera P, Delgado Bermejo JV, Argüello Henríquez A, Camacho Vallejo ME, Germano Costa R. Effects of three management systems on meat quality of dairy breed goat kids. JOURNAL OF APPLIED ANIMAL RESEARCH 2013. [DOI: 10.1080/09712119.2012.739564] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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46
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Aguayo-Ulloa L, Miranda-de la Lama G, Pascual-Alonso M, Fuchs K, Olleta J, Campo M, Alierta S, Villarroel M, María G. Effect of feeding regime during finishing on lamb welfare, production performance and meat quality. Small Rumin Res 2013. [DOI: 10.1016/j.smallrumres.2012.09.011] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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47
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Ripoll G, González-Calvo L, Molino F, Calvo J, Joy M. Effects of finishing period length with vitamin E supplementation and alfalfa grazing on carcass color and the evolution of meat color and the lipid oxidation of light lambs. Meat Sci 2013; 93:906-13. [DOI: 10.1016/j.meatsci.2012.09.017] [Citation(s) in RCA: 45] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2012] [Revised: 09/20/2012] [Accepted: 09/22/2012] [Indexed: 10/27/2022]
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48
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Kuźnicka E, Rant W. The Ewe's Reproductive Performance, Growth Rate and Carcass Quality of Lambs Kept in a Barn vs Those Kept under an Overhead Shelter. ASIAN-AUSTRALASIAN JOURNAL OF ANIMAL SCIENCES 2013; 26:211-7. [PMID: 25049778 PMCID: PMC4093148 DOI: 10.5713/ajas.2012.12451] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/21/2012] [Revised: 10/29/2012] [Accepted: 10/06/2012] [Indexed: 12/02/2022]
Abstract
A herd of polish lowland local sheep was divided into two equal groups: the first group was kept under an overhead shelter, and the second group was kept in a warm barn. The effect of maintenance on ewe’s reproductive performance, survival as well as the growth rate of lambs, and their carcasses quality was investigated. The lack of differences in fertility and prolificacy of ewes as well as in the survival and growth rate between the groups confirmed a good adaptation of Żelaźnieńska sheep to low temperature. Harsh environmental conditions did not cause a significant decrease of the body weight growth; however, they brought in an (insignificant) reduction of subcutaneous fat thickness and meatiness of the loin part of a lamb’s body. The fat content of carcasses obtained from lambs reared under the overhead shelter was significantly lower, with no differences of meat and bones contribution between the groups.
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Affiliation(s)
- Ewa Kuźnicka
- Animal Breeding Department, Warsaw University of Life Sciences-SGGW, Warsaw, 02-786, Poland
| | - Witold Rant
- Animal Breeding Department, Warsaw University of Life Sciences-SGGW, Warsaw, 02-786, Poland
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49
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Roche A, Ripoll G, Joy M, Folch J, Panea B, Calvo J, Alabart J. Effects of the FecXR allele of BMP15 gene on the birth weight, growth rate and carcass quality of Rasa Aragonesa light lambs. Small Rumin Res 2012. [DOI: 10.1016/j.smallrumres.2012.06.011] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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50
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Ripoll G, Alcalde M, Horcada A, Campo M, Sañudo C, Teixeira A, Panea B. Effect of slaughter weight and breed on instrumental and sensory meat quality of suckling kids. Meat Sci 2012; 92:62-70. [DOI: 10.1016/j.meatsci.2012.04.011] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2011] [Revised: 04/04/2012] [Accepted: 04/05/2012] [Indexed: 11/30/2022]
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