Effect of genotype and sex on carcase composition, physicochemical properties, texture and microstructure of meat from geese after four reproductive seasons
2022
Kokoszyński, D. | Biesiada-Drzazga, B. | Żochowska-Kujawska, J. | Kotowicz, M. | Sobczak, M. | Saleh, M. | Fik, M. | Arpášová, H. | Hrnčár, C. | Kostenko, S.
1. The objective of this study was to compare carcase weight and composition and meat quality traits of Landes, Slovak White and Kuban geese after four reproductive seasons. A total of 42 goose carcases (seven males and seven females from each breed) were assessed. 2. After four reproductive seasons, the breeds differed in eviscerated carcase weight. Slovak White geese showed more breast muscle with a cooking loss, whereas Kuban geese had a higher percentage of neck and carcase discards compared to the other breeds. The breeds differed in the chemical composition of breast and leg muscles, except for collagen in breast muscles and protein in leg muscles. 3. Regardless of breed, males had heavier carcase weight and higher breast muscle, leg muscle, neck and wings and lower percentages of skin with subcutaneous fat and abdominal fat relative to body weight compared to females. Sex had a significant effect on the fat and salt content, meat lightness, most textural characteristics and endomysium thickness of breast muscle. The same differences in leg muscles for chemical composition (except for protein percentage) and lightness were recorded. 4. Breed x sex interactions were significant for the proportion of leg muscle, chemical composition of breast and leg muscles (except for leg protein content), muscle fibre cross-sectional area and fibre perimeter of pectoralis major muscle. 5. The results showed that the carcases and meat of the goose breeds after four reproductive seasons were suitable for consumers and meat processors, due to favourable composition, high nutritive value and good technological properties.
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