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...

Trace element intake of Cercopithecinae

The Fe, Zn, Cu, Mn and Mo intake was determined in 5 species of Cercopithecinae kept in captivity. The feed dry matter contained up to three times higher concentrations of trace elements compared to humans’ mixed and vegetarian diets. Although the mean body mass of the animals only amounted to 8% of the body mass of humans, they had a...