Pengaruh Berbagai Waktu Ekuilibrasi Terhadap Daya Tahan Sperma Sapi Limousin dan Uji Kebuntingan (The Effect of Various Duration of Equilibration for The Sperm Survival of Limousine Cattle and Pregnancy Test)

Abstract

The Livistock development by using AI (Artificial Insemination) has been proved the higher successful, mainly in quality aspect. One of the ways to get a proven animal is by using the best quality of frozen semen. The objective of this research is to evaluate the duration of equilibration of glycerol in freezing process of Limousine semen to sperm survival and pregnancy test. This research was conducted in two steps. First step was conducted in Balai Inseminasi Ternak, Dinas Peternakan Propinsi Sumatera Utara, and second step was conducted in Livestock smallholder in Tandem Hilir Village, Deli Serdang District on March, 2004 to July, 2004. The results was described that duration of equilibration give effect to sperm survival which was covered individual movement, motility, and live sperm percentage, but it was not give significant to pregnancy test.