The effect of breeding region on certain fertility parameters of Simmental cows
2008
Pantelic, V., Institute for Animal Husbandry, Belgrade - Zemun (Serbia) | Skalicki, Z., Faculty of Agriculture, Belgrade - Zemun (Serbia) | Petrovic, M.M., Institute for Animal Husbandry, Belgrade - Zemun (Serbia) | Aleksic, S., Institute for Animal Husbandry, Belgrade (Serbia) | Ostojic-Andric, D., Institute for Animal Husbandry, Belgrade - Zemun (Serbia) | Novakovic, Z., Institute for Animal Husbandry, Belgrade - Zemun (Serbia)
In this study, the effect of breeding region on variability of age at calving and duration of service period in 3,641 first calving Simmental cows under control, reared on private farms on the territory of the Republic of Serbia was investigated. Regions had highly significant effect on age at the first calving and duration of service period. Through application of method of Least Squares average service period of 115.19 days and age at the first calving of 795.53 days were established.
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