The results of red steppe cattle breed development and productivity improvement
Автор: Maksimov Gennady Vasilievich, Lenkova Natalia Vladimirovna, Maksimov Alexander Gennadievich
Журнал: Молочнохозяйственный вестник @vestnik-molochnoe
Рубрика: Биологические и сельскохозяйственные науки
Статья в выпуске: 3 (19), 2015 года.
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The comparative analysis of cattle breeding development in CJSC “Dzerzhinsky” for the period from 1984 to 2014 has been done. Due to feeding base improvement, breeding work and using Red-and-White Holstein-Fresian and partially Angeln breed bull semen to improve Red Steppe breed herd by 2014 the age (15.8 months) and liveweight of heifers at the time of the first insemination have increased by 10.2 months and 60-120 kg; the age of the first calving (24.5 months) has increased by 10.5 months; the milk yields during the 1st, 2nd and 3rd lactations and older - by 2.636, 2.796 and 3.247 kg; fat content of milk - by 0.18; 0.25 and 0.25 %; the amount of milk fat increased by 109.31; 116.96 and 133.06 kg, respectively; the live weight of cows - by 87, 106 and 110 kg. The effectiveness of using Red-and-White Holstein-Fresians in Red Stepp cattle productivity improvement and development has been confirmed.
Dairy cattle, appraisal, red steppe breed, angeln breed
Короткий адрес: https://sciup.org/14998807
IDR: 14998807