Study of the External and Internal Characteristics of Holstein Cows of Different Selections Depending on the Type of Constitution

Authors

  • Mirsaidova Zukhra Shukhratovna Samarkand State University of Veterinary Medicine, Animal Husbandry and Biotechnology
  • Khujamov Jurabek Naimovich Samarkand State University of Veterinary Medicine, Animal Husbandry and Biotechnology

DOI:

https://doi.org/10.51699/ijbea.v2i9.2618

Keywords:

Holstein, exterior, body size index, legginess, bony, Constitution, selection, slimness-dense, strong, breed.

Abstract

In this article, selection and mating of Holstein cows of different selections, characterized by thin-dense and strong constitution type, according to their live weight and body indices, and the fact that the milk breed is of special importance in improving the breeding and productivity characteristics of the breed. given.

References

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Сакса Е.И., Кузина Л. Создание всокопродуктивного скота черно-пестрой породы в Ленинградской области. //Молочное и мясное скотоводство. 2001. №4. с. 2-6.

Narbaeva M.K. Продуктивност голштинскых черно-пострих пород и их помесей в условиях южний зони Узбекистана. Avtoref. diss. kand. s-x nauk. Tashkent. 2012. 21 s.

J.N. Xujamov, q.x.f.d.(PhD) “Turli zot va zotdorlikdagi sigirlarning sut mahsuldorligini oshirish yo`llari” mavzusidagi dissertatsiyasi. Avtoref (PhD) 41.b

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Published

2023-09-30

How to Cite

Mirsaidova Zukhra Shukhratovna, & Khujamov Jurabek Naimovich. (2023). Study of the External and Internal Characteristics of Holstein Cows of Different Selections Depending on the Type of Constitution. International Journal of Biological Engineering and Agriculture, 2(9), 87–89. https://doi.org/10.51699/ijbea.v2i9.2618