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STOCK-RAISING AND VETERINARY

RESULTS OF USING OF STUD RAMS WITH LONG BODY AND SUPPLEMENTARY VERTEBRAE IN SPINAL COLUMN FOR HERD REPRODUCTION

Nurlan Malmakov 1 , Aizhan Musaeva 1 , Kairly Omashev 2 , Berik Aryngaziyev 3 , Zarina Orazymbetova 3 , Sholpan Bakhtybekkyzy 1 , Elbolsyn Sagdat 1

1 RSE "Institute of Genetics and Physiology"; 2 RSE "Institute of Genetics and Physiology»; 3 RSE «Institute of Genetics and Physiology»

doi.org/10.37884/4-2024/05 pp. 43-57 Admitted 25.10.2024 Published 20.05.2025

Abstract

Variations of vertebrae are an important characteristics of farm animals. The aim of this research is to study vertebral variations and their relationship with length and weight of sheep carcass.

The article presents the results of X-ray examination of sheep of mutton-fat, fine-wool and semi-fine-wool breeds of various age-sex groups. Analysis of the obtained X-ray images showed that rams, ewes and 4 month aged young rams additional 14th pairs of ribs and 7th vertebrae.

The article presents the results of control slaughter of 4 month aged young rams of the Kazakh fat-tailed coarse-wool breed ("Tokan 1" farm) and Etti merino ("Merey" farm) from the pairing of long-bodied rams with standard ewes in comparison with peers received from the pairing of standard rams with standard ewes. The results of the control slaughter showed that in both breeds, the rams from long-bodied rams surpassed their peers from standard rams in carcass yield by 0.89-2.22%, in slaughter yield by 0.41-1.80%. Along with this the offspring of long-bodied rams had better indicators of meat coefficient by 3.46-3.62 and better indicators of the protein and fat ratio - 1/0.94 and 1/1.11.

Based on the conducted work, preliminary conclusions were made that the pairing of long-bodied rams with standard ewes improves meat productivity of the offspring. This allows to recommend rams with a longer body for further selection to increase meat productivity in both mutton-fat and fine-wool sheep breeding.

sheep, genetics, selection, meat productivity, supplementary vertebrae, slaughter qualities

01 Introduction

The full text of the article is available for download in PDF format on the right panel.

02 References

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Citation Links

[1]2025. RESULTS OF USING OF STUD RAMS WITH LONG BODY AND SUPPLEMENTARY VERTEBRAE IN SPINAL COLUMN FOR HERD REPRODUCTION. Izdenister natigeler. 4 (104) (May 2025), 43–57. DOI:https://doi.org/10.37884/4-2024/05.
(1)RESULTS OF USING OF STUD RAMS WITH LONG BODY AND SUPPLEMENTARY VERTEBRAE IN SPINAL COLUMN FOR HERD REPRODUCTION. Izdenister natigeler 2025, No. 4 (104), 43-57. https://doi.org/10.37884/4-2024/05.
RESULTS OF USING OF STUD RAMS WITH LONG BODY AND SUPPLEMENTARY VERTEBRAE IN SPINAL COLUMN FOR HERD REPRODUCTION. (2025). Izdenister Natigeler, 4 (104), 43-57. https://doi.org/10.37884/4-2024/05 (Original work published 2024)
RESULTS OF USING OF STUD RAMS WITH LONG BODY AND SUPPLEMENTARY VERTEBRAE IN SPINAL COLUMN FOR HERD REPRODUCTION. Izdenister natigeler, [S. l.], n. 4 (104), p. 43–57, 2025. DOI: 10.37884/4-2024/05. Disponível em: https://natsus.kaznaru.edu.kz/index.php/research/article/view/749. Acesso em: 15 sep. 2026.
“RESULTS OF USING OF STUD RAMS WITH LONG BODY AND SUPPLEMENTARY VERTEBRAE IN SPINAL COLUMN FOR HERD REPRODUCTION”. (2024) 2025. Izdenister Natigeler, no. 4 (104) (May): 43-57. https://doi.org/10.37884/4-2024/05.
“RESULTS OF USING OF STUD RAMS WITH LONG BODY AND SUPPLEMENTARY VERTEBRAE IN SPINAL COLUMN FOR HERD REPRODUCTION” (2025) Izdenister natigeler, (4 (104), pp. 43–57. doi:10.37884/4-2024/05.
[1]“RESULTS OF USING OF STUD RAMS WITH LONG BODY AND SUPPLEMENTARY VERTEBRAE IN SPINAL COLUMN FOR HERD REPRODUCTION”, Izdenister natigeler, no. 4 (104), pp. 43–57, May 2025, doi: 10.37884/4-2024/05.
“RESULTS OF USING OF STUD RAMS WITH LONG BODY AND SUPPLEMENTARY VERTEBRAE IN SPINAL COLUMN FOR HERD REPRODUCTION”. 2024. Izdenister Natigeler, no. 4 (104), May 2025, pp. 43-57, https://doi.org/10.37884/4-2024/05.
“RESULTS OF USING OF STUD RAMS WITH LONG BODY AND SUPPLEMENTARY VERTEBRAE IN SPINAL COLUMN FOR HERD REPRODUCTION”. Izdenister natigeler, no. 4 (104) (May 20, 2025): 43–57. Accessed September 15, 2026. https://natsus.kaznaru.edu.kz/index.php/research/article/view/749.
1.RESULTS OF USING OF STUD RAMS WITH LONG BODY AND SUPPLEMENTARY VERTEBRAE IN SPINAL COLUMN FOR HERD REPRODUCTION. Izdenister natigeler [Internet]. 2025 May 20 [cited 2026 Sep. 15];(4 (104):43-57. Available from: https://natsus.kaznaru.edu.kz/index.php/research/article/view/749
1.RESULTS OF USING OF STUD RAMS WITH LONG BODY AND SUPPLEMENTARY VERTEBRAE IN SPINAL COLUMN FOR HERD REPRODUCTION. Izdenister natigeler. 2025;(4 (104):43-57. doi:10.37884/4-2024/05