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Open AccessArticle

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

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Department of Animal Science and Food Processing, Faculty of Tropical AgriSciences, Czech University of Life Sciences Prague, Kamýcká 129, 16500 Prague-Suchdol, Czech Republic
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Department of Animal Sciences, University of Stellenbosch, Private Bag X1, Matieland, Stellenbosch 7602, South Africa
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Department of Cattle Breeding, Institute of Animal Science, Přátelství 815, 10400 Prague 10-Uhříněves, Czech Republic
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Department of Food Quality, Faculty of Agrobiology, Food and Natural Sciences, Czech University of Life Sciences Prague, Kamýcká 129, 16500 Prague–Suchdol, Czech Republic
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Department of Ethology, Institute of Animal Science, Přátelství 815, 10400 Prague 10- Uhříněves, Czech Republic
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School of Biological Sciences, University of Queensland, Brisbane, QLD 4072, Australia
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Center for Nutrition and Food Sciences, Queensland Alliance for Agriculture and Food Innovation (QAAFI), The University of Queensland, Health and Food Sciences Precinct, 39 Kessels Rd, Coopers Plains 4108, Australia
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Author to whom correspondence should be addressed.
Foods 2020, 9(4), 418; https://doi.org/10.3390/foods9040418
Received: 5 March 2020 / Revised: 18 March 2020 / Accepted: 23 March 2020 / Published: 3 April 2020
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. View Full-Text
Keywords: impala; sex; production system; carcass yields; offal yields impala; sex; production system; carcass yields; offal yields
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MDPI and ACS Style

Needham, T.; Engels, R.A.; Bureš, D.; Kotrba, R.; van Rensburg, B.J.; Hoffman, L.C. Carcass Yields and Physiochemical Meat Quality of Semi-extensive and Intensively Farmed Impala (Aepyceros melampus). Foods 2020, 9, 418.

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