Elimeria
causes coccidiosis; symptoms: diarrhea or dysentery
Eimeria is a genus of protozoan parasite that infects various animal species, including mammals, birds, and reptiles. These parasites mainly infect the intestinal tract and cause a disease called coccidiosis, which may lead to weight loss, diarrhea and even death in severe cases.
The life cycle of Eimeria involves a sexual and asexual reproduction phase. Initially, the parasite forms oocysts, which are excreted in the feces of the infected animal. These oocysts then undergo sporulation and release sporozoites that can infect new hosts via ingestion. The sporozoites enter the intestinal lining, where they reproduce asexually and form a new generation of sporozoites to continue the cycle. Eventually, some of these parasites develop into sexual forms that can produce new oocysts, which are excreted in feces and continue the cycle of infection.
The control of Eimeria infections involves the use of anticoccidial drugs, which effectively target the parasite at different stages of its life cycle. However, the overuse of these drugs has led to the development of drug-resistant strains of Eimeria. Therefore, an integrated approach to coccidiosis control, which includes the use of vaccines, improved animal husbandry, and good hygiene practices, is highly recommended to limit the impact of Eimeria infections on animal health and the economy.
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