Peer-reviewed veterinary case report
Chronic vomiting linked to Cryptosporidium in peach-faced lovebirds
By Makino, Ikuko et al.·Published in Avian diseases·2010·Yokohama Bird Clinic, Japan·View original on PubMed →
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Original publication title: Cryptosporidium avian genotype III as a possible causative agent of chronic vomiting in peach-faced lovebirds (Agapornis roseicollis).
- Species:
- bird
Plain-English summary
A group of peach-faced lovebirds was suffering from chronic vomiting and weight loss. Tests revealed that 37 of these birds had a parasite called Cryptosporidium avian genotype III, which was found in their feces and tissues. The affected birds showed signs of internal changes, including thickened stomach walls. This study is the first to identify this specific parasite in lovebirds and its location in their bodies. Unfortunately, the treatment details and outcomes for these birds were not provided.
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Abstract
In the present study, Cryptosporidium oocysts were found, by light microscopy, in 37 fecal samples of peach-faced lovebirds (Agapornis roseicollis). Cryptosporidium avian genotype III was isolated in 13 of the 37 infected birds by sequence analysis of the small subunit ribosomal RNA and the actin genes. All of the birds showed chronic vomiting and weight loss with enlargement of isthmi, narrowed proventricular lumens, and thickened proventricular walls radiographically. Cryptosporidium parasites were found only in the ductal epithelium of the proventricular glands in three of the tissue samples provided for necropsy. To date, there have been no reports concerning the pathogenicity, nor the location, of avian genotype III in avian hosts. Our report confirms, for the first time, the presence of avian genotype III in peach-faced lovebirds in Japan and also reveals the location in the avian host.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/20945797/