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The effect of breeding region and year on milk traits of simmental bull dams / Uticaj odgajivačkog područja i godine na osobine mlečnosti bikovskih majki simentalske rase
(Institute for Animal Husbandry, Belgrade, 2010)
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), ...
The evaluation of breeding value of simmental bulls for milk performance in Serbia / Ocena priplodne vrednosti bikova simentalske rase za osobine mlečnosti u Srbiji
(Institute for Animal Husbandry, Belgrade, 2011)
The basis for selection work is knowledge of the quality of bull sires used for conception, as well as how the major traits are passed on to the progeny. BLUP method (Best Linear Unbiased Prediction) is the basis of the ...
Variability and heritability of type traits of Holstein-Friesian bull dams / Varijabilnost i naslednost osobina tipa bikovskih majki holštajn frizijske rase
(Institute for Animal Husbandry, Belgrade, 2011)
Objective of this study was to calculate the variability and heritability of type traits in the nucleus herd of bull dams by using the linear method of evaluation, and to determine their importance in selection of cattle. ...
Zeolite as a factor in the improvement of some production traits of dairy cattle / Zeolit kao faktor poboljšanja nekih proizvodnih osobina kod krava muzara
(Institute for Animal Husbandry, Belgrade, 2011)
Milk yield and milk chemical composition are largely affected by diet quality. Natural zeolite has been successfully used in livestock production as a feed supplement for some types and categories of domestic animals. This ...
Effect of non-genetic factors on standard lactation milk performance traits in simmental cows
(De Gruyter Open Ltd, Warsaw, 2015)
The effect of systematic and continuous environmental factors on milk performance traits over standard lactations in 2805 Simmental cows was evaluated using the general linear model. The systematic factors included the ...