Improvement of production performance of domestic spotted cattle using Montbeliard bulls

Abstract

Improvement of breed structure of cattle, that is improvement of their production performance and characteristics, as well as phenotype, is main task of centers for artificial insemination and expert services. During the period 1992 - 2000, in Republic of Serbia, 8 Montbeliard bulls were active in AI Centre Krnjača. Bulls originated from Montbeliard heifers imported from France into Negotin region. Bulls were raised, exploited in AI Centre Krnjača and tested on the territory of the Republic. Of total 8 bulls, 6 completed progeny testing and for 2 bulls test is ongoing. Testing was carried out by A control compared to Simmental bulls used and tested in identical conditions and under same criteria. Results of the test concerning milkiness are higher by 296 l, and lower by O,54% for milk fat. Exterior traits in average are increased with the exception of body mass that is in average lower by 16 kg.

Poboljšanje rasnog sastava goveda, odnosno poboljšanje njihovih proizvodnih osobina, eksterijernih karakteristika i fenotipa je osnovni zadatak centara za veštačko osemenjavanje i stručnih službi. U periodu od 1992. - 2000. godine u Republici Srbiji delovalo je 8 bikova Monbelijar rase iz centra za veštačko osemenjavanje u Krnjači. Bikovi su dobijeni od uvezenih priplodnih junica monbelijar rase iz Francuske u region Negotina. Bikovi su odgajeni eksploatisani u centru Krnjača i testirani na području Republike. Od ukupno 8 bikova, 6 je završilo progeni test, a za 2 je test u toku. Test je rađen A kontrolom u odnosu na bikove simentalske rase korišćene i testirane u istim uslovima i po istim kriterijumima.Rezultati testa na mlečnost su veći za 296 litara, a mlečne masti manji za 0,54 %. Eksterijerne mere su u proseku u povećanju osim težine koja je manja za prosečno 16 kg.