Selenium (Se) supplementation on the Se status of dairy cows in the Midlands of KwaZulu-Natal
A dose-response trial was conducted with dairy cows on six farms in the Ixopo district of the Midlands of KwaZulu-Natal. Up to 30 cows per farm received a single subcutaneous injection of 5 mL of a long-acting/slow-releasing selenium (Se) supplement…