Reproductive performances of Thin-tailed and Garut ewes raised in the same condition

Abstract

This study was conducted to observe the reproductive performances of Thin-tailed and Garut ewes which were raised in the same condition. Six heads of Thin-tailed ewes and ten heads of Garut ewes were used in this study. The pregnant ewes were raised individually in the slatted house. After lambing, the ewes were kept together with their lambs prior to weaning. After weaning, the ewes were sent to the colonial pen, raised together with the same breed ram for mat- ing. They were raised until their next lambing. Data collected was analyzed using one way analy- sis of variance. Litter size, birth weight, weaning weight, preweaning morality of Thin-tailed and Garut lambs were 1.5±0.6 and 1.3±0.5 heads, 2.7±0.7 and 1.8±0.8 kg/head, 9.7±3.4 and 7.7±3.7 kg/head, and 8.3±20.4 and 15.0±33.8%, respectively. There was no signi cant difference litter size, birth weight, weaning weight, preweaning morality between Thin-tailed and Garut lambs. Lambing interval, reproduction index and production index of Thin-tailed and Garut ewes were 271.3±55.9 and 228.0±40.4 days, 1.8±0.6 and 1.7±0.9 head/year, and 19.3±12.7 and 16.1±12.4 kg/ year, respectively. There was no signi cant difference lambing interval, reproduction index and production index between Thin-tailed and Garut ewes. It is concluded that reproductive perfor- mance of Thin-tailed and Garut ewes which are raised in the same condition are similar.