The effect of the genotype of young sheep on the nitrogen balance
V. I. Kosilov,
Yu. A. Yuldashbaev,
E. A. Nikonova,
I. A. Rakhimzhanova,
O. P. Neverova,
T. A. Sedykh,
R. G. Kalyakina,
A. Kh. Abdurasulov https://doi.org/10.32634/0869-8155-2025-393-04-81-87
Abstract
Relevance. As a result of balance experiments, materials characterizing the effect of genotype and castration of young sheep on protein metabolism were obtained.
Methodology. For the purpose of the experiment, groups of experimental young animals were selected: purebred sheep of the Tsigai breed — group I; crossbred sheep of the first generation with the Edilbai breed (½ Tsigai × ½ Edilbai) — group II; purebred boulders of the Tsigai breed — group III; crossbred boulders (½ Tsigai × ½ Edilbai) — group IV.
Results. The influence of the genotype and castration of young sheep on the protein metabolism of sheep and boulders of the Qigai breed and its first-generation crossbreeds with the Edilbaev breed has been established. It was found that due to the manifestation of the crossing effect, crossbred sheep of group II surpassed purebred sheep of group I in terms of the nitrogen utilization coefficient from the accepted by 1.39%, from the digested by 1.38%, the difference in favor of the crossbred was 2.68% and 3.87%, respectively. Moreover, the rams used nitrogen better for the synthesis of products than the rolls.
About the Authors
V. I. Kosilov
Orenburg State Agrarian University
Russian Federation
Russian Federation
Vladimir Ivanovich Kosilov, Doctor of Agricultural Sciences, Professor of the Department of Technology of Production and Processing of Livestock Рroducts
18 Chelyuskintsev Str., Orenburg, 460014
Yu. A. Yuldashbaev
Russian State Agrarian University — K.A. Timiryazev Agricultural Academy
Russian Federation
Russian Federation
Yusupzhan Artykovich Yuldashbaev, Doctor of Agricultural Sciences, Academician of the Russian Academy of Sciences, Professor
49 Timiryazevskaya Str., Moscow, 127434
E. A. Nikonova
Orenburg State Agrarian University
Russian Federation
Russian Federation
Elena Anatolyevna Nikonova, Doctor of Agricultural Sciences, Professor of the Department of Technology of Production and Processing of Livestock Products
18 Chelyuskintsev Str., Orenburg, 460014
I. A. Rakhimzhanova
Orenburg State Agrarian University
Russian Federation
Russian Federation
Ilmira Agzamovna Rakhimzhanova, Doctor of Agricultural Sciences
18 Chelyuskintsev Str., Orenburg, 460014
O. P. Neverova
Ural State Agrarian University
Russian Federation
Russian Federation
Olga Petrovna Neverova, Candidate of Biological Sciences, Associate Professor, Head of the Department of Biotechnology and Food Products
42 Karl Liebknecht Str., Yekaterinburg, 620075
T. A. Sedykh
Akmulla Bashkir State Pedagogical University ; Bashkir Scientific Research Institute of Agriculture is a Separate Structural Unit of the Ufa Federal Research Center of the Russian Academy of Sciences
Russian Federation
Russian Federation
Tatyana Alexandrovna Sedykh, Doctor of Biological Sciences
3A Oktyabrskaya Revolyutsii Str., Ufa, 450077
19 Richard Sorge Str., Ufa, 450059
R. G. Kalyakina
Orenburg State Agrarian University
Russian Federation
Russian Federation
Railya Gubaidullovna Kalyakina, Candidate of Biological Sciences
18 Chelyuskintsev Str., Orenburg, 460014
A. Kh. Abdurasulov
Osh State University
Kyrgyzstan
Kyrgyzstan
Abdugani Khalmurzaevich Abdurasulov, Doctor of Agricultural Sciences, Professor of the Department of Veterinary Medicine and Biotechnology
331 Lenin Str., Osh, 723500
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Review
For citations:
Kosilov V.I., Yuldashbaev Yu.A., Nikonova E.A., Rakhimzhanova I.A., Neverova O.P., Sedykh T.A., Kalyakina R.G., Abdurasulov A.Kh. The effect of the genotype of young sheep on the nitrogen balance. Agrarian science. 2025;1(4):81-87. (In Russ.) https://doi.org/10.32634/0869-8155-2025-393-04-81-87
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