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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), ...
Estimation of heritability coefficients of number of born alive piglets in the first three farrowings Swedish landrace sows / Procena koeficijenta heritabiliteta za broj živorođene prasadi u prva tri prašenja krmača švedskog landrasa
(Institute for Animal Husbandry, Belgrade, 2011)
The main objective of this study was to evaluate phenotypic and genetic variation of the number of piglets born alive (NBA) Swedish Landrace sows (SL) in three consecutive parities under the influence of sires, year and ...
Variability of linearly evaluated traits of type of simmental bull dams / Varijabilnost linearno ocenjenih osobina tipa bikovskih majki simentalske rase
(Institute for Animal Husbandry, Belgrade, 2007)
One of the important factors of successful milk production is group of secondary traits: health, longevity, type and milking traits. These traits have become increasingly significant. In order for productive life of cows ...
The effect of genetic and non-genetic factors on production traits of Simmental cows / Uticaj genetskih i negenetskih faktora na proizvodne osobine krava simentalske rase
(Institute for Animal Husbandry, Belgrade, 2014)
This study covered 737 controlled first calving Simmental cows with, lactations concluded within one year. All first calving animals were on the farms of individual farmers in the municipalities of Kragujevac and Mladenovac. ...
Variability of the number of live-born piglets under the influence of female genotype, year of farrowing and parity
(Proceedings of the 13th International Symposium Modern Trends in Livestock Production October 6 — 8, 2021, Belgrade, Serbia, 10-2021)
The aim of this study was to determine the influence of sow genotype, year of farrowing and parity on the number of live-born piglets. Fertility traits of sows were tested during fourteen years (from 2007 to 2020) in one ...