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PHENOTYPIC AND GENOTYPIC VARIABILITY OF TRAITS OBSERVED IN THE PERFORMANCE TEST OF GILTS
(Institute for Animal Husbandry, Belgrade-Zemun, Serbia, 10-2023)
The aim of this research was to determine the phenotypic and genotypic variability of the
observed traits in the performance test of gilts: age at the end of the test - final age (FA), back fat thickness 1 and 2 (BFT1 and ...
Phenotypic and genetic parameters of reproductive traits of black and white cows with different share of HF genes / Fenotipski i genetski parametri reproduktivnih osobina crno belih krava sa različitim udelom HF gena
(Institute for Animal Husbandry, Belgrade, 2007)
In this paper, results of the effect of direct and indirect selection of quantitative fertility traits of cattle end heritability level are presented. Study of the quantitative genetic parameters was carried out on three ...
HERITABILITY AND REPEATABILITY OF FERTILITY TRAITS OF HOLSTEIN-FRIESIAN BULLS MONITORED IN PROGENY TESTING
(Institute for Animal Husbandry, Belgrade-Zemun, 2015)
To test the variability of fertility traits of Holstein-Friesian bulls monitored in progeny test, reproduction data of 342 cows, daughters of 15 bulls were used. Cows have been in production in seven farms of Agricultural ...