Veterinary Pathogens and its Economical Importance
Article No : gjvcr-v2-1002
Andre L. A. Dos-Santos
The bloodborne pathogens are microorganisms present in blood or bodily fluids of infected individuals or animals that can cause disease. The most common infectious diseases of veterinary importance include several species of Trypanosoma, Theileria, Babesia and Anaplasma  Many zoonotic bloodborne pathogens circulate between animals and humans affecting human health and economic sectors. The cost of zoonotic diseases has been estimated about U$20 billion and affect economies as a whole .
Trypanosoma is a hemoprotozoan that infect human and animal in the world . Trypanosoma evansi is a trypanosoma specie of veterinary importance. The parasite is the agent of surra originating from Africa and it able to infect a very large range of domestic and wild hosts and can be fatal in the absence of treatment. The infection exhibits nonspecific clinical signs as anaemia, loss of weight, abortion and death [1,3]. Total economic losses can exceed U$ 160 million per year with treatment of seropositive animals .
The phylum Apicomplexa is a large group of eukaryotic organisms and include the group Piroplasmorida. The Piroplasmorida group comprises two genera (Babesia and Theileria) and it is responsible for the economic diseases of domestic and wild animals . Theileria species is responsible to large economic losses due to disease outbreaks, mortalities, and poor production in bovines. Parasite cause anemia, jaundice, growth retardation and reduced body weigh in cattle [5,6]. The theileriois cause significant global economic loss of U$ 7 billion a year .
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