gastrointestinal helminths in indigenous and exotic chickens in vietnam: association of the intensity of infection with the major histocompatibility complex.this study compared the prevalence and intensity of infections of helminths in 2 chicken breeds in vietnam, the indigenous ri and the exotic luong phuong. also, possible correlations with the major histocompatibility complex (mhc) were tested. the most prevalent helminths were ascaridia galli, heterakis beramporia, tetrameres mothedai, capillaria obsignata, raillietina echinobothrida and raillietina tetragona. differences in prevalence and intensity of infection were found between the 2 breeds. ...200717166322
mitochondrial genomes of heterakis gallinae and heterakis beramporia support that they belong to the infraorder ascaridomorpha.heterakis gallinae and heterakis beramporia are the most prevalent nematode infecting native chicken breed, causing major economic losses. in the present study, the complete mitochondrial genomes (mt) of h. gallinae and h. beramporia were amplified by long-pcr and then sequenced. the complete mt genomes of h. gallinae and h. beramporia were 13,973bp and 14,012bp in size, respectively. both mt genomes contain 12 protein-coding genes, 22 transfer rna genes and 2 ribosomal rna genes. all genes are ...201626980606
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