Bovine anaplasmosis and babesiosis are important tick-borne diseases associated with significant economic losses, although fetal infection and abortion are rarely described. This study reports a bovine abortion associated with co-infection by Anaplasma marginale , Babesia bovis and Babesia bigemina. in the Midwestern region of Brazil. Fetal necropsy was performed, followed by cytological, histopathological, immunohistochemical...

Doramectin is a safe antiparasitic drug widely used in animal production. However, two outbreaks of doramectin poisoning in newborn calves ( Bos indicus ) occurred after an accidental overdose of the drug was injected to prevent umbilical myiasis on a Brazilian farm. Affected calves exhibited clinical signs including apathy, sialorrhea, ataxia, and death. After a period of clinical manifestation lasting 24 to 48 h, a total of...