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Abstract
Zarkawi, M. 2007. Oestrous synchronisation and fertility in cycling Damascus does using the synthetic prostaglandin F2α, Iliren. J. Appl. Anim. Res., 32: 37–40.
To assess the effect of synthetic prostaglandin F2α (PGF2α) Iliren, on oestrous synchronisation and other related parameters, 9 intact indigenous Damascus does each were either intramuscularly injected twice with 2 ml of synthetic prostaglandin F2α, Iliren (0.3 mg Tiaprost) at an interval of 12 d (P) or served as control (C) with no treatment. Does in group P responded to the treatment and exhibited oestrus at an average of 96 h; whereas, does in group C exhibited oestrus at an average of 199 h after bucks introduction. The treatment had no significant effect (P>0.05) on duration of pregnancy, fecundity rate of does, birth or weaning weight of kids at 3 months of age. At the second injection of PGF2α, there were active corpora lutea formed in some ovaries of the does treated with Iliren as indicated by the high concentration of progesterone. It could be concluded that it is possible to use the synthetic prostaglandin F2α, Iliren, at a dose of 2 ml (0.3 mg Tiaprost) given twice at an interval of 12 d for oestrous synchronisation in local Damascus does during the breeding season with no adverse effect on the reproductive or growth parameters.