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The effect of paragenetic factors on longevity traits of simmental cows / Uticaj paragenetskih faktora na osobine dugovečnosti krava simentalske rase
(Institut za stočarstvo, Beograd, 2004)
The effect of paragenetic factors on longevity traits was investigated in Simmental cows housed at the "Zlatiborski Suvati" farm. The effect of the lactation number, the calving season and the age at first insemination on ...
The influence of age at first fertilization on some reproductive and performance traits of Simmental cows in first three lactations / Uticaj uzrasta pri prvoj oplodnji na neke reproduktivne i proizvodne osobine krava simentalske rase u prve tri laktacije
(Institut za stočarstvo, Beograd, 2002)
Certain reproductive and performance traits of Simmental cows, as well as the demonstration of those traits depending on the effect of age at first fertilization, were investigated. The investigation included 606 cows, ...