Van Ryssen, J.B.J.; O'Dell, E.D.(South African Society for Animal Science, 2006)
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 ...
