Effects of progesterone and human chorionic gonadotrophin administration five days postinsemination on plasma and milk concentrations of progesterone and pregnancy rates of normal and repeat breeder dairy cows.

Treatment with a progesterone-releasing intravaginal device between days 5 and 12 after estrus elevated (p less than 0.05) plasma progesterone concentrations between days 6 and 8 in comparison with controls. Treatment with injectable progesterone (200 mg) on days 5, 7, 9 and 11 postestrus did not in...

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Main Authors: Walton, J S, Halbert, G W, Robinson, N A, Leslie, K E
Format: Artigo
Sprog:Inglês
Udgivet: 1990
Fag:
Research Article
Online adgang:https://ncbi.nlm.nih.gov/pmc/articles/PMC1255660/
https://ncbi.nlm.nih.gov/pubmed/2379109
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