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molecular characterization of cryptosporidium spp. from fecal samples of birds kept in captivity in brazil.the aim of this study was to determine the prevalence of cryptosporidium species and genotypes in birds kept in captivity in brazil. a total of 966 samples from 18 families of birds was collected and stored in 5% potassium dichromate solution at 4 degrees c until processing. oocysts were purified in sheather sugar solution following extraction of genomic dna. molecular analyses were performed using nested-pcr for amplification of fragments of the 18s subunit of rrna gene and of the actin gene. a ...200919683397
[localization of endogenous developmental stages of cryptosporidium meleagridis slavin, 1955 (apicomplexa: cryptosporidiidae) in birds].localization of endogenous developmental stages of c. meleagridis was studied on the basis of observation of 4734 preparations from individual parts (in the distance of approx. 5 cm) of the small intestine, caeca (collum caeci, corpus, apex caeci), colon, cloaca, bursa of fabricius, respiratory organs (sinus infraorbitalis, larynx, trachea, bronchi, air sacs) using the method of scraping mucous epithelium stained according to giemsa after fixation with methanol (as well as histologically) from 1 ...19947863574
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