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Phenotypic and genetic parameters of milk yield traits in first-calf heifers of Holstein-Friesian breed
(Croatian Dairy Union, Zagreb, 2020)
The objective of this paper was to study variability, heritability and correlation of the three production traits in 1409 first-calf heifers of Holstein-Friesian breed; including the determination of the quantity of milk ...
Impact of non nutritional factors on milk urea concentration and its relationship with production and fertility traits in Vojvodina dairy herds
(Croatian Dairy Union, Zagreb, 2017)
The purpose of this study was to examine possible relationship between milk urea and fertility of dairy cows using field data. This study also evaluated the influence of environmental factors on milk urea (MU) and the ...