Fenotipska ispoljenost i varijabilnost uzrasta pri prvoj oplodnji i prvom telenju u zavisnosti od odgajivačkog područja / Phenotypic expression of the variability of age of Simmental cows at first conception and first calving, depending on the breeding ar
2013
Petrović, Milun D. (Agronomski fakultet, Čačak (Srbija)) | Bogosavljević-Bošković, Snežana (Agronomski fakultet, Čačak (Srbija)) | Đoković, Radojica (Agronomski fakultet, Čačak (Srbija)) | Rakonjac, Simeon (Agronomski fakultet, Čačak (Srbija)) | Dosković, Vladimir (Agronomski fakultet, Čačak (Srbija))
Based on the descriptive statistical analysis of phenotypic variability of appearance and age at first conception and calving can be concluded that the average age at first conception in 2805 tested cows was 593.7 days with variability from 18.04%. The highest age at first conception was 606.4 days in cows in Zlatibor [Serbia] and the lowest in cows in Dobričevo [Serbia], which was 589.6 days. Age at first calving was 879.2 days with a coefficient of variation of 12.23%. The highest age at first calving was 891.9 days on the farm Zlatibor, and the smallest of 873.4 days in cows on the farm Dobričevo.
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