Effect of genotype, number of lactation and cow's age at parturition on servis period duration and index of insemination

• Published in: Biotehnologija u stocarstvu (Yugoslavia) Vol. 9; no. 3-4
• Main Authors: Stojic, P. ("Agroekonomik - INI", Beograd - Padinska Skela (Yugoslavia)), Katic, M, Lazarevic, Lj, Latinovic, D, Vajic, Z
• Format: Journal Article
• Language: Serbian
• Published: 1993
• Subjects: AGE; EDAD; GENOTIPOS; GENOTYPE; LACTACION; LACTATION; PERFORMANCE DE REPRODUCTION; REPRODUCTIVIDAD; VACA; VACHE

This experiments were conducted with 665 East-Friesian multiparous cows with different percentage of Holstein-Friesian genes. According to the percentage of Holstein-Friesian genes, the cows were divided into three groups. It is concluded that genotype had significant influence on milk, milk fat and...