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Using native bull sperm for insemination HF breed and shortening service period of temporary sterility of dairy cows and increase in the percentage of pregnancy / Korišćenje nativne sperme bikova HF rase za osemenjavanje i skraćivanje servis perioda kod privremenog steriliteta mlečnih krava i povećanje procenta steonosti
(Institut PKB Agroekonomik, Padinska skela, 2011)
On large farms of dairy cattle HF breed, very rarely achieved fertility in a herd of over 80% of cows, per year. On farms in Serbia are very few dairy farms are able to achieve fertility of over 75-77% in one year. This ...