Dynamics of growth and morphological characters of Jersey X Romanian Simmental F1 crossbreds in comparison with Romanian Simmentals
Fisteag, I.; Lungulescu, G.; Botos, S.
Lucrari stiintifice - Institutul Agronomic Timisoara. Seria Zootehnie 13: 189-200
For 58 Romanian Simmental (RS) and 97 Jersey X RS F1 females resp., birth weight averaged 32.7 and 29.5 kg, weaning weight (6 mth) 173.3 and 151.6 kg, weight at 24 mth 436.5 and 388.7 kg, and age at 1st calving 31.6 and 33.2 mth. 14 body measurements and indices are presented in 5 tables for 25 RS females , their 36 crossbred daughters and 52 RS females contemporary with the daughters. It was concluded that growth of crossbreds was not significantly inferior to that of RS purebreds.