Effective duration of a copper oxide bolus administered orally to bontebok (Damaliscus pygargus dorcas)

Two male bontebok (Damaliscus pygargus dorcas) (70.5 kg) received a 12.5 g copper oxide bolus orally during anesthesia and were offered a diet of high fiber herbivore pellets with ad libitum access to Bermuda grass hay, water, and either a white salt or trace mineralized salt block. Blood samples were collected prior to bolus administration and every four weeks subsequently...