Effects of Different Progesterone Plugs on Estrous Control in Ewe  

Effects of Different Progesterone Plugs on Estrous Control in Ewe

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作  者:WU Hongda 

机构地区:[1]Animal Husbandry Research Center, Heilongjiang Academy of Agricultural Sciences, Harbin 150086, China

出  处:《Journal of Northeast Agricultural University(English Edition)》2009年第2期54-57,共4页东北农业大学学报(英文版)

基  金:Supported by Heilongjiang Institute of Agricultural Sciences Youth Funded Projects

摘  要:In breeding season and non-breeding season, the effects of three kinds of progesterone plugs on estrous control in ewes were studied. Meanwhile, the advantages and the disadvantages of the progesterone plugs were analyzed. The results showed that there were no significant difference among three progesterone plugs on modulating the ewes' estrus and pregnancy, and affecting estrous rate and fecundation rate (P〉0.05). It was observed that the progesterone plug produced by Animal Husbandry Research Center of Heilongjiang Academy of Agricultural Sciences could modulate the ewes' estrus and pregnancy effectively, and the low cost and convenience in operation made it popularize in the reproducation of sheep widely.In breeding season and non-breeding season, the effects of three kinds of progesterone plugs on estrous control in ewes were studied. Meanwhile, the advantages and the disadvantages of the progesterone plugs were analyzed. The results showed that there were no significant difference among three progesterone plugs on modulating the ewes' estrus and pregnancy, and affecting estrous rate and fecundation rate (P〉0.05). It was observed that the progesterone plug produced by Animal Husbandry Research Center of Heilongjiang Academy of Agricultural Sciences could modulate the ewes' estrus and pregnancy effectively, and the low cost and convenience in operation made it popularize in the reproducation of sheep widely.

关 键 词:progesterone plug estrous modulation estrous rate fecundation rate 

分 类 号:S827.3[农业科学—畜牧学] S826[农业科学—畜牧兽医]

 

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