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2023, № 108

UDC: 591.8.636.22/28.082.13
GSNTI: 68.39.37, 68.39.71

The structure of beef pulp from steers and castrates, suitable for the production of canned meat for children

The aim of the research was to study, in a comparative aspect, the histological picture of tissue sections of the longest back muscle from 18-month-old slaughter bulls and Kalmyk castrates to compare the suitability of beef for the production of canned meat for children. In a comparative histological study of the longest back muscle in 18-month-old calves and castrates of the Kalmyk breed, castrates showed visually more adipose tissue compared to calves. In the connective tissue of M. longissimus dorsi, there was a moderate amount of collagen and elastin fibers in both gobies and castrates. Histological studies found that the longest back muscle of castrates contained significantly less muscle (86.7%) and more adipose tissue (11.1%) than in the muscle of non-castrated bulls, 94.6% and 3.6%, respectively. Kalmyk bulls differed from castrates in the best microstructure of the longest back muscle: muscle tissue was characterized by a large number of muscle fibers per unit area by 10.9% and a smaller diameter of muscle fiber by 3.5 microns (p<0.01).
Keywords: Bulls and castrates of the Kalmyk breed, microstructure of M. longissimus dorsi, muscle, connective, adipose tissue.
DOI: 10.21515/1999-1703-108-238-241

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Authors:

1. Zabashta Anastasia Vasilyevna, graduate student, Federal State Budgetary Educational Institution of Higher Education “I.T. Trubilin Kuban State Agrarian University”.
2. Koshchaev Andrey Georgievich, DSc in Biology, professor, Academician of the RAS, Federal State Budgetary Educational Institution of Higher Education “I.T. Trubilin Kuban State Agrarian University”.
3. Zabashta Nikolay Nikolaevich, DSc in Agriculture, professor, Federal State Budgetary Educational Institution of Higher Education “I.T. Trubilin Kuban State Agrarian University”.
4. Golovko Elena Nikolaevna, DSc in Biology, leading researcher, Krasnodar Scientific Center for Animal Science and Veterinary Medicine.