European holsteins in the Orel region: evaluation and prospects for the breeding
Автор: Shendakov A.I., Lapina T.A., Astakhova N.
Журнал: Биология в сельском хозяйстве @biology-in-agriculture
Рубрика: Современные аспекты молочного животноводства
Статья в выпуске: 1 (10), 2016 года.
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The article presents data on the breeding of Holstein cattle of Irish and Hungarian origin, estimated breeding value of introduced animals on the pedigree, is a comparison of milk production of Irish and Hungarian cows. Determined negative and positive qualities of animals of different origins, found that by varying the breeding value of Holstein cows of different origin in the conditions of the Orеl region characterized by approximately the same milk production - at the level of 5900-6000 kg of milk for the first lactation.
Selection, breeding, holstein, milk yield, breeding value, sires, milk fat
Короткий адрес: https://sciup.org/147230937
IDR: 147230937