Milk productivity and reproduction ability of daughters of Bulgarian Simmental bulls
2001
Ivanov, M. | Simeonova, S. | Stojkov, P. (Kompleksna Opitna Stantsiya, Vidin (Bulgaria))
Milk productivity and reproduction ability of 556 cows, daughters of 18 Bulgarian Simmental bulls was studied.It was found that milk yield of daughters of bulls Peru (4249.13+-92.15 kg), Zep (4057.45 +-129.78 kg) and Heler (3671.03+-122.98 kg) was significantly (P0.01) higher compared to the rest of assessed bulls.No considerable differences were found for calving inteval, total breeding value and index of prolificacy.
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