Improved fertility in dairy cows after treatment with selenium pellets.
Dairy cows on 3 New South Wales dairy farms with herd mean blood glutathione peroxidase (GSH-Px) activities of less than 70 U/g haemoglobin, showed a significant improvement in first service conception rates following treatment with oral selenium pellets. Treated cows had significantly higher blood GSH-Px activities compared with control cows, with a lag phase of 4 to 5 months to reach peak mean levels of 88 to 159 U/g haemoglobin.
D000818:Animals; D002417:Cattle / Q000502:physiology*; D005260:Female; D005298:Fertility / Q000187:drug effects*; D005979:Glutathione Peroxidase / Q000097:blood; D011247:Pregnancy; D011270:Pregnancy, Animal / Q000187:drug effects*; D012643:Selenium / Q000494:pharmacology*
D005979:Glutathione Peroxidase; D012643:Selenium