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The effect of breeding region and year on milk traits of simmental bull dams
Author(s) -
V. Pantelić,
S. Aleksić,
Petar Stojıć,
R. Djurdjevic,
Lj. Samolovac,
Dobrila Janković,
D. Nikšić
Publication year - 2010
Publication title -
biotechnology in animal husbandry
Language(s) - English
Resource type - Journals
eISSN - 2217-7140
pISSN - 1450-9156
DOI - 10.2298/bah1006287p
Subject(s) - milking , ice calving , breed , zoology , biology , herd , lactation , population , milk production , milk fat , food science , pregnancy , medicine , genetics , environmental health , linseed oil
Cows which represent top of the genetic value of the population in regard to their traits are chosen for bull dams. Selection is based on origin, production performance (quantity of milk, milk fat and protein content), milking/dairy traits, reproductive indicators, exterior and linear type scores. This study included 292 cows of Simmental breed selected for bull dams on the territory of Republic of Serbia during one year. Selection of cows for herd of bull dams was done after finalized first and subsequent lactation. In this study, the effect of region and year of calving on milk traits is presented. Applying the method of least squares average value of milk production was obtained - 5.754,49 kg, milk fat content - 3,98% and quantity of milk fat - 230,24 kg. Regions had statistically highly significant effect (P 0,05).

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