ESTRUS SYNCHRONIZATION IN GALLOWAY COWS BRED IN GERMANY
Abstract
There are given results of estrus synchronization in Galloway cattle, bred in Germany, and its effects on reproductive abilities of cows. Investigations into the regulation of reproductive function in Galloway cows, bred in Germany, were conducted using the facilities of Co Ltd “Talachinskoye”, Karymsky Region of Transbaikalia. To stimulate estrus in cows of the experimental group, the biostimulant Estrofan was used in accordance with instructions. It was found that estrus synchronization in Galloway cows, bred in Germany, and consequent artificial insemination for the purpose of mass spring calving allowed us to synchronize the estrous cycles of dams, to increase calf output percentage by 38.9 percent as compared with the control. Calving of the experimental cows was over for 18 days against 82 days in the control. It complies with the beef cattle breeding technology and promotes raising of the more uniform young stock. Thus, the average live weight of the young stock before weaning from the synchronized cows made up 179.2 kg against 177.4 in the control.
About the Authors
V. G. Chernykh
Scientific Research Institute of Veterinary Medicine of Eastern Siberia, Russian Academy of Agricultural Sciences
Russian Federation
Russian Federation
T. N. Khamiruev
Scientific Research Institute of Veterinary Medicine of Eastern Siberia, Russian Academy of Agricultural Sciences
Russian Federation
Russian Federation
I. V. Volkov
Scientific Research Institute of Veterinary Medicine of Eastern Siberia, Russian Academy of Agricultural Sciences
Russian Federation
Russian Federation
References
1. Зелепухин А.Г., Левахин В.И. и др. Мясное скотоводство. - Оренбург, 2000. - С. 103-107.
2. Черекаев А.В., Черекаева И.А. Технология специализированного мясного скотоводства. - М.: Агропромиздат, 1988. - С. 48-55.
3. Прокофьев М.И. Лечение гипофункции яичников // Ветинформ. - 1999. - № 1. - С. 3.
4. Смирнов Л.А., Балин В.А. Применение норгестрола, ацетата мегестрола и амола для стимуляции и синхронизации охоты у коров с телятами на подсосе // Гормоны в животноводстве. - 1981. - Вып. 64. - С. 19.
5. Чомаев A.M. Простагландины и воспроизводительная функция телок // Ветеринария. - 1986. - № 10. - С. 48.
6. Шипилов B.C., Дюльгер Г.П. Восстановление плодовитости коров при кистах яичников // Ветеринария. - 1991. - № 2. - С. 50.
7. Шипилов B.C. Состояние и перспективы развития ветеринарного акушерства и гинекологии // Ветеринария. - 1991. - № 7. - С. 3-6.
8. Овсянников А.И. Основы опытного дела в животноводстве. - М.: Колос, 1978. - 301 с.
9. Анганов В.В., Николаев Б.И., Жапов Ж.Н., Муруев А.В., Хамируев Т.Н. Биотехнологические методы интенсификации воспроизводительной функции крупного рогатого скота // Сиб. вестн. с.-х. науки. - 2007. - № 11. - С. 49-51.
Review
For citations:
Chernykh V.G., Khamiruev T.N., Volkov I.V. ESTRUS SYNCHRONIZATION IN GALLOWAY COWS BRED IN GERMANY. Siberian Herald of Agricultural Science. 2014;(2):43-46. (In Russ.)
Views:
213
Email this article 