Interrelationships between ambient temperature, age at calving, postpartum reproductive events and reproductive performance in dairy cows: a path analysis

Path analysis was used to determine the interrelationships between ambient temperature, age at calving, postpartum reproductive events and reproductive performance in dairy cows. The data used in the analysis were collected on 226 Holstein-Friesian cows calving in a commercial dairy herd during a 17...

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Veröffentlicht in:	Canadian journal of comparative medicine 1985-07, Vol.49 (3), p.254-260
Hauptverfasser:	Etherington, W.G, Martin, S.W, Dohoo, I.R, Bosu, W.T.K
Format:	Artikel
Sprache:	eng
Schlagworte:	age Age Factors ambient temperature Animals calving Cattle - physiology Cattle Diseases dairy cows Dystocia - veterinary endometritis Endometritis - veterinary Estrus Female Insemination Models, Biological Obstetric Labor Complications - veterinary ovarian cysts Placenta Pregnancy Progesterone - blood Reproduction retained placenta Temperature
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