对照和黄体酮或绒毛膜促性腺激素治疗的母牛受精率和胚胎存活率

Annales De Biologie Animale Biochimie Biophysique Pub Date : 1979-01-01 DOI:10.1051/RND:19790923

J. Sreenan, M. Diskin, M. Murphy

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引用次数: 8

摘要

共有98头小母牛被用于受精和胚胎死亡率的研究。第4天记录的受精率为90p . 100。第42天胚胎存活率为52 p. 100。补充黄体酮不影响循环黄体酮水平，胚胎存活率略有提高。HCG诱导副黄体形成，增加循环孕酮水平，轻微提高胚胎存活率。使用黄体酮或HCG后，胚胎存活率没有增加

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Fertilization and embryo survival rates in control and progesterone or hcg treated heifers

A total of 98 heifers were used in a study of fertilization and embryonic mortality rates. Fertilization rate recorded at day 4 was 90 p. 100. Embryo survival at day 42 was 52 p. 100. Progesterone supplementation did not affect circulating progesterone level and slightly increased embryo survival rate. HCG administration induced accessory corpus luteum formation, increased circulating progesterone level and slightly increased embryo survival. The increases in embryo survival following progesterone or HCG were not

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Annales De Biologie Animale Biochimie Biophysique

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