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Carcass Yields and Physiochemical Meat Quality of Semi-extensive and Intensively Farmed Impala (Aepyceros melampus)

The effects of sex and production systems on carcass yield, meat quality and proximate composition of sub-adult impala were evaluated by culling 35 impala from intensive (12 males) and semi-extensive (12 males and 11 females) production systems within the same game farm. While no sexual dimorphism w...

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Autores principales: Needham, Tersia, Engels, Retha A., Bureš, Daniel, Kotrba, Radim, van Rensburg, Berndt J., Hoffman, Louwrens C.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2020
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7230698/
https://www.ncbi.nlm.nih.gov/pubmed/32260057
http://dx.doi.org/10.3390/foods9040418
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author Needham, Tersia
Engels, Retha A.
Bureš, Daniel
Kotrba, Radim
van Rensburg, Berndt J.
Hoffman, Louwrens C.
author_facet Needham, Tersia
Engels, Retha A.
Bureš, Daniel
Kotrba, Radim
van Rensburg, Berndt J.
Hoffman, Louwrens C.
author_sort Needham, Tersia
collection PubMed
description The effects of sex and production systems on carcass yield, meat quality and proximate composition of sub-adult impala were evaluated by culling 35 impala from intensive (12 males) and semi-extensive (12 males and 11 females) production systems within the same game farm. While no sexual dimorphism was found for carcass weights, male impala had a higher dressing percentage than females, indicating a higher meat production potential. Few differences were observed for yields between the male impala from the different production systems, but physical meat quality parameters indicated possible stress for those kept intensively. Minor differences existed in physiochemical parameters between various impala muscles for the two sexes and production systems, providing little motivation for these factors to be considered when processing sub-adult impala carcasses. Impala meat from both sexes, all muscles and all production systems produced meat with shear force values below 43 N, and thus may be considered as tender. Furthermore, the proximate composition of all impala meat in this study ranged from 74.7 to 77.0 g/100g moisture, 20.7 to 23.5 g/100g protein, 1.2 to 2.2 g/100g fat and 1.1 to 1.3 g/100g ash content. These values compare favorably to other game species, indicating that impala meat may serve as a lean protein source.
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spelling pubmed-72306982020-05-22 Carcass Yields and Physiochemical Meat Quality of Semi-extensive and Intensively Farmed Impala (Aepyceros melampus) Needham, Tersia Engels, Retha A. Bureš, Daniel Kotrba, Radim van Rensburg, Berndt J. Hoffman, Louwrens C. Foods Article The effects of sex and production systems on carcass yield, meat quality and proximate composition of sub-adult impala were evaluated by culling 35 impala from intensive (12 males) and semi-extensive (12 males and 11 females) production systems within the same game farm. While no sexual dimorphism was found for carcass weights, male impala had a higher dressing percentage than females, indicating a higher meat production potential. Few differences were observed for yields between the male impala from the different production systems, but physical meat quality parameters indicated possible stress for those kept intensively. Minor differences existed in physiochemical parameters between various impala muscles for the two sexes and production systems, providing little motivation for these factors to be considered when processing sub-adult impala carcasses. Impala meat from both sexes, all muscles and all production systems produced meat with shear force values below 43 N, and thus may be considered as tender. Furthermore, the proximate composition of all impala meat in this study ranged from 74.7 to 77.0 g/100g moisture, 20.7 to 23.5 g/100g protein, 1.2 to 2.2 g/100g fat and 1.1 to 1.3 g/100g ash content. These values compare favorably to other game species, indicating that impala meat may serve as a lean protein source. MDPI 2020-04-03 /pmc/articles/PMC7230698/ /pubmed/32260057 http://dx.doi.org/10.3390/foods9040418 Text en © 2020 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Needham, Tersia
Engels, Retha A.
Bureš, Daniel
Kotrba, Radim
van Rensburg, Berndt J.
Hoffman, Louwrens C.
Carcass Yields and Physiochemical Meat Quality of Semi-extensive and Intensively Farmed Impala (Aepyceros melampus)
title Carcass Yields and Physiochemical Meat Quality of Semi-extensive and Intensively Farmed Impala (Aepyceros melampus)
title_full Carcass Yields and Physiochemical Meat Quality of Semi-extensive and Intensively Farmed Impala (Aepyceros melampus)
title_fullStr Carcass Yields and Physiochemical Meat Quality of Semi-extensive and Intensively Farmed Impala (Aepyceros melampus)
title_full_unstemmed Carcass Yields and Physiochemical Meat Quality of Semi-extensive and Intensively Farmed Impala (Aepyceros melampus)
title_short Carcass Yields and Physiochemical Meat Quality of Semi-extensive and Intensively Farmed Impala (Aepyceros melampus)
title_sort carcass yields and physiochemical meat quality of semi-extensive and intensively farmed impala (aepyceros melampus)
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7230698/
https://www.ncbi.nlm.nih.gov/pubmed/32260057
http://dx.doi.org/10.3390/foods9040418
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