Performance of Friesian and Brown Swiss cows raised on the University farm in Tripoli. I. Dairy characters
Performance of Friesian and Brown Swiss cows raised on the University farm in Tripoli. I. Dairy characters
Darwash, A.O.
Libyan Journal of Agriculture 3: 131-136
1974
A total of 159 calvings and 141 lactations were studied for Friesian (F) and Brown Swiss (BS) cows imported from Holland and Austria respectively. Milk yield during the 1st 5 lactations averaged respectively 4205, 4496, 4827, 4970 and 4355 kg for F and 3163, 3466, 4043, 4058 and 4043 kg for BS. There was no significant difference in milk fat content between the 2 breeds (range 2.59-3.45% in 1st 5 lactations). Lactation length was also similar in both breeds.