Cryptosporidium species in ostriches

Allwright, D. M.; Wessels, Julie

doi:10.1136/vr.133.1.24-a

Cited by 13 publications

(8 citation statements)

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“…There is no information on which species of Cryptosporidium may infect ostriches. Probably the present ostrich isolate is the same species related to cloacal prolapse in other reports (Allwright & Wessels, 1993, Penrith et al, 994, Jardine & Verwoerd, 1997. Since the morphological data of the isolate described by Gajadhar (1994) are related to C. meleagridis, which are spherical and measure 5.2 x 4.6 µm; shape index 1.13 (Lindsay et al, 1989), and not to C. baileyi, probably there are 2 Cryptosporidium species infecting ostriches, one with molecular, biological and morphological characteristics related to C. baileyi and a second one morphologically related to C. meleagridis.…”

Section: Discussionsupporting

confidence: 78%

“…The infection in ostriches may be subclinical (Gajadhar 1993) or associated to prolapse of phallus and cloaca (Allwright & Wessels, 1993, Bezuidenhout et al, 1993, Penrith et al, 1994 and pancreatic necrosis (Jardine & Verwoerd, 1997). Gajadhar (1994) carried out cross transmission studies and morphological analysis of oocysts of a Cryptosporidium isolate recovered from ostriches, and there was no cross transmission to suckling mice, chicken, turkey and Japanese quail.…”

Section: Introductionmentioning

confidence: 99%

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Cryptosporidium infection in ostriches (Struthio camelus) in Brazil: clinical, morphological and molecular studies

Santos¹,

Peiró²,

Meireles³

2005

Rev. Bras. Cienc. Avic.

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Avian cryptosporidiosis has been reported in more than 30 species of birds. To date, the species infecting birds are C. baileyi, C. galli and C. meleagridis. In this study, the morphological, clinical and molecular characteristics of a Brazilian ostrich isolate of Cryptosporidium are described. The oocysts of this Brazilian isolate are larger and more elongated than those of Cryptosporidium previously reported in ostriches, which were morphologically similar to C. meleagridis. Morphological, biological and molecular analyses demonstrated similarity of this ostrich isolate with C. baileyi, suggesting that there are at least two Cryptosporidium species infecting ostriches; one with molecular, biological and morphological characteristics related to C. baileyi, and another morphologically similar to C. meleagridis

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Section: Discussionsupporting

confidence: 78%

Section: Introductionmentioning

confidence: 99%

Cryptosporidium infection in ostriches (Struthio camelus) in Brazil: clinical, morphological and molecular studies

Santos¹,

Peiró²,

Meireles³

2005

Rev. Bras. Cienc. Avic.

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“…Although there were many reports concerning Cryptosporidium infections in ostriches (Allwright and Wessels, 1993;Bezuidenhout et al, 1993;Penrith and Burger, 1993;Gajadhar, 1994;Penrith et al, 1994;Jardine and Verwoerd, 1997;Ponce Gordo et al, 2002;Santos et al, 2005;Meireles et al, 2006), the species identity of Cryptosporidium involved is far from clear. Gajadhar described a Cryptosporidium that was morphologically similar to C. meleagridis but not infectious to suckling mice, chickens, turkeys, and Japanese quail (Gajadhar, 1994 ian ostrich isolate (DQ002931) was different from known Cryptosporidium species/genotypes based on results of biological and molecular studies (Meireles et al, 2006).…”

Section: Introductionmentioning

confidence: 96%

Prevalence of Cryptosporidium baileyi in ostriches (Struthio camelus) in Zhengzhou, China

Wang¹,

Qi²,

Zhu³

et al. 2011

Veterinary Parasitology

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“…in ostriches resulted in prolapse of the phallus and cloaca (ALLWRIGHT & WESSELS, 1993;BEZUIDENHOUT et al, 1993;PENRITH et al, 1994) and in pancreatic necrosis (JARDINE & VERWOERD, 1997). The avian genotype II colonizes the epithelium of the cloaca (Figure 2d) and, less frequently, the rectum and bursa of Fabricius of ostriches.…”

Section: Epidemiological Clinical and Pathological Aspects Of Cryptomentioning

confidence: 99%

Cryptosporidium infections in birds - a review

Nakamura

Meireles

2015

Rev. Bras. Parasitol. Vet.

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Cryptosporidiosis is one of the main protozoan infections in birds. It manifests as either a respiratory or a digestive illness, and it affects a very large number of avian species across several continents. The aim of this review is to report on the main results of studies on cryptosporidiosis among birds and the importance of these results to veterinary medicine and public health.Keywords: Cryptosporidium spp., wild birds, poultry. ResumoA criptosporidiose constitui-se em uma das principais infecções por protozoários em aves, manifestando-se como enfermidade respiratória ou digestiva, em dezenas de espécies aviárias, em vários continentes. O objetivo desse trabalho foi relatar, por meio de revisão de literatura, os principais resultados de estudos sobre criptosporidiose em aves e sua importância para a medicina veterinária e saúde pública.Palavras-chave: Cryptosporidium spp., aves selvagens, aves domésticas.

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Cryptosporidium species in ostriches

Cited by 13 publications

References 0 publications

Cryptosporidium infection in ostriches (Struthio camelus) in Brazil: clinical, morphological and molecular studies

Cryptosporidium infection in ostriches (Struthio camelus) in Brazil: clinical, morphological and molecular studies

Prevalence of Cryptosporidium baileyi in ostriches (Struthio camelus) in Zhengzhou, China

Cryptosporidium infections in birds - a review

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