Postpartum anestrus in French beef cattle: An epidemiological study.

Postpartum anestrus in French beef cattle: An epidemiological study. Research Abstract Details 

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Postpartum anestrus in French beef cattle: An epidemiological study. Abstract Text:

C Ducrot,Y T ,P Humblot,F Bugnard,P Sulpice,R O Gilbert,

Postpartum anestrus of lactating beef cows was studied by means of an epidemiological study carried out on 878 lactating beef cows in 60 French herds. The cows calved between October 1992 and March 1993 and were housed 2 mo after calving, when the anestrus status was determined by progesterone radioimmunoassays. Data analysis was performed using a multiple logistic model in order to adjust for confounding and interaction. Fifty-one percent of the primiparous and 23% of the multiparous cows were found to be in anestrus. Factors significantly related to anestrus were parity (primiparous); breed (Charolais); housing type (tie housing); suckling (compared to weaning at birth); and, among those that were under the control of the farmer, calving conditions (manual exploration of the birth canal); body condition score at calving (3 or less, on a 5-point scale); and loss in body condition score after calving (1 point or more within 2 mo). Previous reproductive performance for multiparous cows such as a long calving interval and induced estrus in the previous year also appeared to be related to anestrus.

Postpartum anestrus in French beef cattle: An epidemiological study. Publishing Authors By Initials

C Ducrot,YT ,P Humblot,F Bugnard,P Sulpice,RO Gilbert,

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Postpartum anestrus in French beef cattle: An epidemiological study. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Theriogenology

VOLUME: 42

Page Numbers: 753-64

Journal Abbreviation: Theriogenology

ISSN: 0093-691X

DAY: 26

MONTH: Oct

YEAR: 1994

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LANGUAGE: eng

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Grant and Affiliation Information for Postpartum anestrus in French beef cattle: An epidemiological study.

AFFILIATION: Center for Animal Ecopathology, 26 rue de la Baïsse, 69100 Villeurbanne, France.

Country: United States

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MEDLINETA: Theriogenology

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