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Selection of bull dams in population of Simmental cattle / Selekcija bikovskih majki u populaciji simentalske rase goveda
(Institute for Animal Husbandry, Belgrade, 2009)
Increase of production and improvement of the quality of milk, as well as of the intensity of fertility, are main prerequisites of modern cattle production. For the purpose of production of domestic Simmental bulls it is ...
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
(Institute for Animal Husbandry, Belgrade, 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, ...
Simmental cattle breed in different production systems / Simentalska rasa goveda u različitim sistemima proizvodnje
(Institute for Animal Husbandry, Belgrade, 2009)
The paper gives the analysis on the state in population of Simmental cattle reared in Europe with a special review on the state in Simmental cattle in our country which makes about 80 % total cattle fund in Serbia, and is ...
Polymorphism of k-casein and b-lactoglobuline in simmental cattle in Serbia
(Serbian Genetics Society, Belgrade, 2018)
The objective of this study was to determine the frequency of the kappa-casein and beta-lactoglobulin genotypes in the Simmental cattle in Serbia and compare it with the frequency according to the Hardy-Weinberg equilibrium ...
Incidence of deformations of the extremities of simmental cows in different types of stalls / Pojava deformacije ekstremiteta krava simentalske rase u različitim tipovima ležišta
(Institute for Animal Husbandry, Belgrade, 2018)
Problems with legs and various forms of lameness of cows, in intensive milk production, are the third significant problem occuring in this production, after mastitis and reproductive disorders, both globally and in our ...
Results of the biological test of simmental bulls in central Serbia / Rezultati biološkog testa bikova simentalske rase u centralnoj Srbiji
(Institute for Animal Husbandry, Belgrade, 2012)
Exceptionally important aspect in cattle production, from the aspect of production and economy, is ensuring normal and regular fertility. Every cattle breeder wants to have high-yielding animals which at the same time have ...
Variability of age at first calving and service period of first calving Simmental cows / Varijabilnost uzrasta pri telenju i servis perioda prvotelki simentalske rase
(Dnevik-Poljoprivrednik AD, Poljoprivredni fakultet i Naučni institut za ratarstvo i povrtarstvo, Novi Sad, 2008)
Cattle reproduction is the most important phase of production since in this phase heads of cattle are provided for renewal of the herd, production of milk and meat. In this paper the variability of age at calving and ...
Heritability and genetic correlation of production and reproduction traits of Simmental cows
(Academic Journals, Victoria Island, 2011)
Improvement of production capacity of cattle in terms of increasing the production of milk, milk fat and number of calves, greatly depends on phenotype and genotype variability, heritability and correlation between desirable ...
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 ...
Phenotype correlations of linear assessment scores of type and production traits of simmental cows / Fenotipske korelacije linearnih ocena tipa i proizvodnih osobina krava simentalske rase
(Institute for Animal Husbandry, Belgrade, 2018)
Determining the degree of correlation between two or more traits depends to a large extent on their manifestation. The knowledge of genetic and phenotypic correlations between body characteristics of the animal and product ...