Abstract
Cryptosporidiosis is in a major protozoan infection of the respiratory or digestive tract in many orders of birds. In birds, there is description of infection by Cryptosporidium baileyi, Cryptosporidium galli and Cryptosporidium meleagridis, and by several genotypes not yet classified as species. Cryptosporidium infection are present in a wide variety of bird species, particularly in the …