Livestock Studies 1971, Vol 11, Num, 1-2     (Pages: 040-044)

Testing balls for fertility

Adnan ÖZKOCA

- 33 bulls were tested for fertility in a survey conducted by. A.I. center in İstanbul. The rating of the 33 bulls are % 75.7 satisfactory, % 15.1 questionable, and % 9.09 cull. Keywords :