Cryptosporidium in birds, fish and amphibians

Abstract

Whilst considerable information is available for avian cryptosporidiosis, scant information is available for Cryptosporidium infections in fish and amphibians. The present review details recent studies in avian cryptosporidiosis and our current knowledge of piscine and amphibian infections.

Molecular characterisation of a disseminated Cryptosporidium infection in a Koi carp (Cyprinus carpio)

“…Cryptosporidium normally infects the intestine and stomach of fish (Ryan, 2010). To the best of our knowledge, this is the first report of a disseminated Cryptosporidium infection in fish, with parasite stages identified in several tissues.…”

Cryptosporidiumspecies in humans and animals: current understanding and research needs

“…In addition, C. hominis, C. parvum, Cryptosporidium serpentis, C. muris, C. andersoni and muskrat genotype I have also been identified in a small number of birds, most of which were probably the results of accidental ingestion of oocysts by these organisms (cf. Ryan, 2010;Ryan and Xiao, 2014).…”

Cryptosporidiosis in Intensively Reared Barramundi (Lates Calcarifer)

“…More detailed studies examining the incidence of cryptosporidiosis in aquatic species suggest that their presence could be of increasing significance to aquaculture on a global scale. 2,5,9,14 In the current 2 outbreaks, both populations were under significant physiological stress; in the case of the hatchery mortalities, an unusually large run of fingerlings were entering the system, and stocking rates were far in excess of normal. With regard to the grow-out facility, the initial phase of transportation and acclimatization is inherently stressful to stock and likely contributed to expression of disease.…”

“…"content-markup(./author-grp [1]/aff|./author-grp [1]/dept-list)> Cryptosporidia are protozoal, apicomplexan, intracellular parasites that usually infect the gastrointestinal epithelial cells of a range of vertebrate species. 6,[11][12][13][14] Among production animals, cryptosporidiosis causes significant economic losses and remains a potential zoonotic condition. 14,15,19 Cryptosporidium parvum, one of the causative agents of human and animal cryptosporidiosis, has been widely examined.…”

“…6,[11][12][13][14] Among production animals, cryptosporidiosis causes significant economic losses and remains a potential zoonotic condition. 14,15,19 Cryptosporidium parvum, one of the causative agents of human and animal cryptosporidiosis, has been widely examined. 3,4,15 Increasing molecular characterization of organisms previously held under this name have led to further speciation, to the point where currently, more than 18 species are recognized and catalogued with a reasonable degree of confidence, 18 with further expansion of species likely to occur.…”