A comparative study on the effect of quantitative feed restriction in males and females of broiler chickens, rabbits and nutrias. II. Meat quality

Eva Tůmová, Darina Chodová, Zdeněk Volek, Tarek A. Ebeid, Mohamed Ketta and Věra Skřivanová
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Eva Tůmová: Department of Animal Science, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Prague-Suchdol, Czech Republic
Darina Chodová: Department of Animal Science, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Prague-Suchdol, Czech Republic
Zdeněk Volek: Institute of Animal Science, Prague-Uhříněves, Czech Republic
Tarek A. Ebeid: Department of Poultry Production, Faculty of Agriculture, Kafrelsheikh University, Kafr El-Sheikh, Egypt
Mohamed Ketta: Department of Animal Science, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Prague-Suchdol, Czech Republic
Věra Skřivanová: Institute of Animal Science, Prague-Uhříněves, Czech Republic

Czech Journal of Animal Science, 2022, vol. 67, issue 2, 55-64

Abstract: The objective of the study was to evaluate the effects of feed restriction and sex on the physical, chemical and histochemical parameters of meat quality in chickens, rabbits and nutrias. Feed restriction was applied at a rate of 70% ad libitum from 14 to 21 days of age in chickens, 70% ad libitum from 42 to 49 days of age in rabbits, and 70% ad libitum from 12 to 15 weeks of age in nutrias. Animals were fed ad libitum prior to and following restriction. The results showed stronger effects of feed restriction, sex, and their interaction on the meat quality of broiler chickens than in rabbits and nutrias. The effect of feed restriction, sex and their interaction were mainly observed in the nutritional value of meat, while physical measurements of meat were negligibly affected. The interaction between feed restriction and sex affected the cross-sectional area of muscle fibre only in rabbits and nutrias. The data indicated the relationships between compensatory growth, muscle fibre distribution, and nutritional value of meat.

Keywords: species; sex; feed restriction; physical and chemical meat quality; muscle fibres (search for similar items in EconPapers)
Date: 2022
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Persistent link: https://EconPapers.repec.org/RePEc:caa:jnlcjs:v:67:y:2022:i:2:id:186-2021-cjas

DOI: 10.17221/186/2021-CJAS

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