Investigation of reproduction and selection potential of Holstein breeding cattle in Kyrgyzstan

Nurlan MAMATOV | Aybek KARABAEV | Kadırbay ÇEKİROV

In this article, statistical results of selection characteristics and milk yields, live weight and reproduction characteristics of Holstein sheep breeds grown in Kyrgyzstan conditions are given according to their origins and ages. Parameters were calculated for milk yield and growth characteristics. For this purpose milk productivity, lactation and live weights of cattle were measured. Holstein cows were crossed with local races to improve productivity during milk productivity and lactation. As a result, there are significant variations in some yields in the animals raised. According to the re ...Daha fazlası