1988. STUDYING ON FREEZING POINT OF EJACULATES , VARIATION, THE EFFECT OF BULLS AGE AND ‎RELATIONSHIP BETWEEN IT AND SOME CHARACTERISTICS OF SEMEN AND FREREZABILITY. The Iraqi Journal of Veterinary Medicine. 12, 1 (Dec. 1988), 195–206. DOI:https://doi.org/10.30539/mgjf1995.