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KMID : 0900919910150020109
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Korean journal of Animal Reproduction
1991 Volume.15 No. 2 p.109 ~ p.115
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Studies on Artificial Control of Parturition in Korean Native Goats I. The Effect of Prostaglandin F_2alpha to Induce Parturition
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Yun Chang-Hyeon
Min Kwan-Sik
Oh Seok-Doo
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Abstract
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This experiment was conducted to find out the time to farrowing induction after PGF2alpha treatment, the rate of farrowing induction, the effect of kids born by the induced farrowing on birth weight and development with study on artificial control of parturition in Korean native goats. A total of 24 pluriparous goats were offered for this experiment. The animals were divided into 4 goats per treatment by administration time(142, 145 or 148 day of pregnancy) and dosage (5 or 7.5mg). The results obtained in this experiments were as follows : 1. The effect of synchronization of estrus was induced 23 goats(95.1%), 16 goats(66.6%) in the 1st treatment and 7 goats(28.5%) in the 2nd treatment PGF2alpha and exhibited estrus at a mean interval of 75pm5 hours after PGF2alpha injection. 2. The time to farrowing induction after PGF2alpha treatment on day 145 or 148 was significantly(P<0.01) shorter than that of the 5mg treatment, but there was no significant difference(P>0.01). 3. Parturition was induced in all goats(100%) treated 5 or 7.5mg of PGF2alpha on day 148 and 7.5mg of PGF2alpha on day 145, but was induced 75% in treatment with 5mg of PGF2alpha on day 145 and 5 or 7.5mg of F2alpha on day 142. 4. The birth weight and development of kids induced farrowing was heaviest (P<0.01) on days 148 among treatment, but there was no significant difference in dosage.
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KEYWORD
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parturition, F_2alpha, goat, synchronization of estrus, farrowing induction, birth weight and development of kids
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