The Effect of Slow-Release Mineral Supplements and eCG Injection on Twining, Birth Weight and Weaning Weigh to Fluffy Raeini Goats

This study was carried out investigate the effect of slow-release blous on reproductive efficiency, twinning and weaning weight. 306 female Cashmere Raeini goats were selected randomly and divided into eight treatments. Treatments were: 1and 2) control with and without injection eCG, 3 and 4) Consumption one slow-release blolus with and without injection eCG, 5 and 6) Consumption two slow-release boluses with and without injection eCG and7 and 8) Consumption one minerals and vitamin capsules with and without injection eCG. To synchronize estrus, ciders were installed in goats and eCG hormone injected in a half of goats. The results showed that reproductive efficiency were reduced with slow-release bolus and capsule supplements. But they had significant effect on twinning (p