The first-service conception rate for 74 commercial dairy cows that were given a single injection of dinoprost tromethamine (prostaglandin F(2)alpha THAM) between 14 and 28 d after calving was 56%. For 74 untreated control herdmates the rate was 47%. The average interval from calving to first oestrus was 57 d for treated cows and 70 d for the control group. The difference is significant at the P = 0.017 level. The advantage in the conception rate of treated over control group cows occurred mostly in cows with a blood progesterone concentration of less than 0.5 ng/ml at the time of treatment; this numbered about two-thirds of the cows in the trial. The results support the findings of a previous study.
Improved reproductive performance from dairy cows treated with dinoprost tromethamine soon after calving. Publishing Authors By Initials
Improved reproductive performance from dairy cows treated with dinoprost tromethamine soon after calving. Journal Published:
PUBLICATION TYPE: Journal Article
Journal: Theriogenology
VOLUME: 26
Page Numbers: 199-208
Journal Abbreviation: Theriogenology
ISSN: 0093-691X
DAY: 26
MONTH: Aug
YEAR: 1986
Improved reproductive performance from dairy cows treated with dinoprost tromethamine soon after calving. Information
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LANGUAGE: eng
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AFFILIATION: Upjohn Limited, Fleming Way, Crawley, West Sussex, UK.
Country: United States
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MEDLINETA: Theriogenology
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