Features of remount young animals group formation in dairy cattle herds

Authors

  • R. Stavetska

Abstract

It is established that in the herd SPK them. Schorsa promising young replacement part is on average 74.7% of the AF "Glushki" - 77.9% of "Terezino" -62.5%. Average annual population groups young replacement in herds of dairy cattle depends on the output of calves per 100 cows, the intensity dropout young
replacement for the period of growth and the duration of the productive use of cows in the herd. Average annual population groups young replacement is calculated from the theoretically calculated needs heifers and actual performance of their release.

References

Ваттио М. А. Факторы, влияющие на размеренность и продуктивность стад и получение ремонтных телок молочного направления [Электронный ресурс] / М. А. Ваттио, Д. МакКуллоу. – Режим доступа : http://

babcock.wisc.edu/sites/ default/files/de/ru/ de_26.ru.pdf.

Ставецька Р. Інтенсивність вибракування ремонтного молодняку української чорно-рябої молочної породи / Р. Ставецька, І. Рудик // Тваринництво України. – 2012. – № 7. – С. 18–23.

Van Raden P. M. Invited Review: Selection on Net Merit to Improve Lifetime Profit / P. M. Van Raden // J. Dairy Sci. – 2004. – P. 3125.

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Issue

No. 202 (2014): Частина 1 (англ)

Section

Статті

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