Izvorni znanstveni članak

Some of reproduction traits of Istrian cattle breed

Miljenko Konjačić
Ante Ivanković
Pavo Caput
Jelena Ramljak
Zoran Luković
Franjo Poljak

Sažetak

The Istrian cattle is one of the autochthonous Croatian cattle breeds which, at the end of XX century, was attracting attention of profesional and scientific public after it was established that it had become rare. The aim of this research was to determine reproduction traits of the Istrian cattle breed registered in the herdbook of the Croatian Livestock Centre from 1994 to 2004. The total of 401 Istrian cows, with at least one calving registered, were analyzed. The first fertilization was on average at 20.3 months of age, while the first calving was on average at 29.8 months of age. The pregnancy lasted on average 291.8 days. Female calves were carried slightly shorter (1.4 days). The average duration of the service period was 156.2 days and the calving interval was 448.2 days. The average maternal age of cows at the Istrian cattle breed is 14 years, while the average number of calvings per cow is 7.

Ključne riječi

Istrian cattle breed; reproduction characteristics

Hrčak ID:

3658

URI

https://hrcak.srce.hr/3658

Datum izdavanja:

10.5.2006.

Podaci na drugim jezicima: hrvatski

Posjeta: 3.752 *