DEVELOPMENT AND PRODUCTIVE QUALITIES REPAIRCALF DEPENDING ON DIFFERENT SEASONS OF THE BIRTH


  • Ya. Yu. Fadeenko Institute of animal husbandry of NAAS, Kharkiv
Keywords: calf, live weight, average daily gain, age insemination season, dairy efficiency

Abstract

The results of studies of historical data for the years 2005–2014 the number of cows in the Ukrainian Black Pied dairy breed in EP «Gontarovka» Institute of Animal NAAS of Ukraine to analyze the efficiency of breeding and reproductive ability of heifers born in different seasons of the year. It is established that the telka which are given rise in the winter authentically exceeded on live weight, both at the birth, and at 18–month age of the coevals born in the summer. The age of their fertilization made 16,7 months, розтелення 25,7 months that is one month less, than summer a calf. Dairy efficiency of winter firstcalf heifers in 305 days of a lactation made 5620 kg that more rather summer firstcalf heifers are reliable.

 

Author Biography

Ya. Yu. Fadeenko, Institute of animal husbandry of NAAS, Kharkiv
graduate student

References

Ruban, Yu. D., Ruban, S. Yu. (2011). Production technology of milk and meat: Monograph. To.: Publishing center «Akademiya», 392. (in Ukrainian).

Prokopenko, O. M. (2015). Statistical year–book: Agriculture of Ukraine for 2014. Gosstat of Ukraine, 386. (in Ukrainian).

Fedorovich, V. V. (2015)._ Reproductive ability of cows of dairy breeds on age. Animal husbandry of Ukraine. 1–2, 19–23.

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Published
2016-03-17
How to Cite
Fadeenko, Y. Y. (2016). DEVELOPMENT AND PRODUCTIVE QUALITIES REPAIRCALF DEPENDING ON DIFFERENT SEASONS OF THE BIRTH. Scientific Messenger of LNU of Veterinary Medicine and Biotechnologies. Series: Agricultural Sciences, 18(1), 137-139. Retrieved from https://nvlvet.com.ua/index.php/agriculture/article/view/3516