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Title: | Effects of progestagen and pmsg on estrous synchronization and fertility in Kivircik ewes during natural breeding season |
Authors: | Uludağ Üniversitesi/Ziraat Fakültesi/Zootekni Bölümü. 0000-0003-0379-7492 Koyuncu, Mehmet Altınçekiç, Ş. Öziş AAG-8536-2021 16156692300 36090858800 |
Keywords: | Kivircik Ewe Synchronization PMSG Progestagen Fertility Mare serum gonadotropin Reproductive-performance LH-secretion Awassi ewes Hair sheep Boer goat Estrus Progesterone Ovulation Insemination Agriculture |
Issue Date: | Mar-2010 |
Publisher: | Asian-Australasian Association of Animal Production Society |
Citation: | Koyuncu, M. ve Altınçekiç, Ş. Ö. (2010). "Effects of progestagen and pmsg on estrous synchronization and fertility in Kivircik ewes during natural breeding season". Asian-Australasian Journal of Animal Sciences, 23(3), 308-311. |
Abstract: | An experiment was conducted using indigenous Kivircik ewes to evaluate the effect of intravaginal progestagen sponges, containing 30 mg of fluorogestone acetate (FGA), followed by administration of pregnant mare serum gonadotrophin (PMSG) on inducing synchronized oestrus in the season and fertility. Three times of PMSG administration relative to sponge withdrawal (24 h before (n = 30), at (n = 29) or 24 h after (n = 29)) and two routes of PMSG administration (intramuscular (n = 46) and subcutaneous (n = 42) were compared for estrous response, number of multiple births and fecundity rates. There were no significant differences in terms of estrous response, due to differences in the time and route of PMSG administration. Lambing percentage, proportion of multiple births and fecundity were 75.6, 51.6 and 114.6%, respectively. The administration had a significant effect on lambing (p<0.05). multiple birth and fecundity rates (p<0.01). The subcutaneous administration of PMSG resulted in a significantly higher lambing rate (p<0.05) and fecundity rate (p<0.01), compared to the intramuscular injection of the PMSG. |
URI: | https://doi.org/10.5713/ajas.2010.90393 https://www.animbiosci.org/journal/view.php?doi=10.5713/ajas.2010.90393 http://hdl.handle.net/11452/25053 |
ISSN: | 1011-2367 1976-5517 |
Appears in Collections: | Scopus Web of Science |
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