Correlations between first lactation and lifetime performance traits of Holstein-Friesian cows
Markovic, M.; Vidovic, V.; Adzic, N.; Veljic, M.; Markovic, B.; Ljumovic, M.
Biotehnologija u Stocarstvu 13(3/4): 73-82
1997
Accession: 003081277
Data were obtained at 2 farms in northern Serbia on 2834 lactations of 689 milk-recorded Holstein cows, each with at least 3 completed lactations. For first lactations, the duration averaged 337.8 days, milk yield 6957 kg, the daily milk yield 20.7 kg, milk fat yield 242.2 kg, milk fat percentage 3.50, 305-day milk yield 6523 kg, 305-day milk fat yield 225.4 kg and 305-day FCM yield 6415 kg.