Diagnosis of Cryptosporidium parvum oocysts from it's natural sources

Abstract

The study was conducted for diagnosis of Cryptosporidium parvum oocysts in water, soil and calves. A total of 156 samples were collected from rural and urban areas in Mosul city, divided in to four groups. The first group 54 different water sample sources, 32 soil samples, 50 fecal samples from diarrheic calves and 20 fecal samples from non-diarrheic animals of different ages, sexes, breeds and areas. The overall percentage of oocysts that were identified was 26%, in water 24%, in soil 31%. Most significant commonly Cryptosporidium parvum oocysts has been associated with diarrheic calves 32%, than in (control group) non-diarrheic animals 15%, (P≤0.05). It was concluded that Modified Ziehl-Neelsenn Stain was more sensitive and accurate for diagnosis of oocyst in all groups of samples in our study 27% as compared to Giems' Stain 23% and Lugol's Iodine stain 17%

Keywords

parasitology