Molecular characterization of Cryptosporidium and Giardia in pre-weaned calves in Western Australia and New South Wales.

Molecular characterization of Cryptosporidium and Giardia in pre - weaned calves 1 in Western Australia and New South Wales

Prevalence and molecular characterisation of Cryptosporidium and Giardia species in pre-weaned sheep in Australia.

A total of 477 faecal samples from pre-weaned sheep from 5 different farms in the south west of Western Australia were screened for the presence of Cryptosporidium and Giardia using PCR. There were substantial differences in prevalence between the farms and overall prevalence was 24.5% and 11.1%, respectively for Cryptosporidium and Giardia. At the 18S locus, 66 Cryptosporidium positives were i...

Molecular characterization of Cryptosporidium spp. in pre-weaned calves in Shaanxi Province, north-western China.

Cryptosporidium, a worldwide protozoan parasite, is one of the most common causes of diarrhoea in humans and animals. The aim of the present study was to determine Cryptosporidium species/genotypes in pre-weaned calves in Shaanxi Province using PCR and sequencing based on the small subunit rRNA gene. A total of 258 faecal samples were collected from pre-weaned calves in 19 different farms from ...

Prevalence and age-related variation of Cryptosporidium species and genotypes in dairy calves.

Fifteen dairy farms in seven states on the east coast of the US were each visited on two consecutive years to determinate the prevalence of Cryptosporidium species in pre-weaned (5 days to 2 months) and post-weaned calves (3-11 months), respectively. After each of 971 fecal specimens collected directly from each calf was sieved and subjected to density gradient centrifugation to remove debris a...

Distribution and Genetic Characterizations of Cryptosporidium spp. in Pre-Weaned Dairy Calves in Northeastern China’s Heilongjiang Province

BACKGROUND Cryptosporidium spp. are common parasites of humans and animals. Farm animals, especially pre-weaned calves, are considered to be one of main animal reservoir hosts of Cryptosporidium in the transmission of human cryptosporidiosis. The aim of this study was to determine the distribution and genotypes of Cryptosporidium spp. in pre-weaned calves using molecular tools and to assess zoo...