氣溫對(duì)德州驢繁殖規(guī)律的影響
[Abstract]:Dezhou Donkey is one of the five excellent donkey breeds in China. It has high fecundity and short breeding time. It is often used in intervarietal hybridization to improve small donkey breeds. In order to study the effect of air temperature on breeding rule of Texas donkey in West Shandong Plain, 400 female donkeys were selected for breeding experiment. Monthly temperature changes and their effects on estrus rate, conception rate and ovulation location of Texas donkeys were recorded and analyzed. The results showed that temperature significantly affected estrus rate (P0.05), to a certain extent, the higher the temperature, the higher the estrus rate, but had no significant effect on the conception rate (P0.05), the temperature had no significant effect on the ovulatory position of female donkey (P0.05), the ovulatory position of female donkey was mostly in the right ovary (62.1%). The fecundity of the right ovary is higher than that of the left.
【作者單位】: 東阿阿膠股份有限公司/國(guó)家膠類中藥工程技術(shù)研究中心;
【基金】:膠類中藥產(chǎn)業(yè)升級(jí)關(guān)鍵技術(shù)研發(fā)項(xiàng)目(2015ZDZX07001)
【分類號(hào)】:S822
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