Prenatal Mortality in the Bovine between Pregnancy Diagnosis at 34-50 Days Post-Insemination and Parturition
作者： O.T. Fosgate , Vearl R. Smith
DOI: 10.3168/JDS.S0022-0302(54)91369-7
关键词: Gestation 、 Pregnancy 、 Insemination 、 Obstetrics 、 Fetus 、 Gynecology 、 Medicine 、 Food science 、 Animal Science and Zoology 、 Genetics
摘要: Summary Prenatal mortality was observed in 44 out of 690 females that were diagnosed pregnant at 34-50 days post-insemination. The fetal between pregnancy diagnosis and parturition 6.38% with a standard deviation 1.87. During gestation the variation loss 30-day periods not significant (P > 0.05).
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