ABSTRACT: The objective of the present study was to detect the genetic diversity of Anaplasma marginale strains in naturally infected calves from a rural property located in the northeastern region of the state of Pará. Eastern Amazon. which has a history of mortality due to anaplasmosis. Fourteen calves positive for A. https://countryscenesaddleryandpetsuppliers.shop/product-category/weymouth-bridle-double-bridle-noseband/