A total of 66 (sixty-six) fresh fecal samples were collected during July 2017 to October 2018 from rhesus macaques (Macaca mulatta) residing in Bangladesh National Zoo, Dhaka. Samples were analyzed applying formol-ether concentration technique. All the rhesus macaques, irrespective of age and sex, were found to be infested with one or more species of gastrointestinal (GI) helminth parasites. Ascaris spp. was noticed in all the fecal samples. Overall intensity of helminths was higher in male (38.53) that in female (31.04) comprising the maximum (58.08) in adult male (p < 0.005). The highest intensity was of Ascaris spp. (3.33 ± 1.39) and found in adult male hosts. Young female rhesus macaques displayed the maximum intensity of Trichuris spp. (3.56 ± 0.73). Bangladesh J. Zool. 46(2): 231-237, 2018
Non-human primates (NHPs) serve as necessary reservoir hosts of parasites that create diseases to human. A close interaction between human and NHP can make a pathway for transmission of zoonotic diseases. To prevent zoonotic infection of zoo keepers, park visitors as well as keeping the captive NHPs in healthy state, it is necessary to carry out regular parasitological examination and treatment. A total of 72 fecal samples of Olive Baboon (n = 39) and Common Langur (n = 33) irrespective of their age and sex were collected from two zoological gardens of Bangladesh. Eggs and oocysts of seven gastrointestinal (GI) parasites were observed and identified in samples of both host species. The prevalence of GI parasites recorded was 100%. In case of Olive Baboon, the protozoan prevalence was higher (53.83%) than that of helminths, but opposite scenario was seen in case of Common Langur. Besides, higher intensity of coccidian oocysts in both hosts was recorded in the study.
This study was conducted to determine the prevalence and related risk factors for intestinal helminth infections in companion and stray dogs from Dhaka, Bangladesh. In total 310 fecal samples were collected from companion dogs (206 samples) and stray dogs (104 samples) from Dhaka south city corporation (DSCC) and Dhaka North city corporation (DNCC) areas. Salt flotation and formol ether concentration techniques were used to process the fecal samples. The prevalence of intestinal helminth infections in stray and companion dogs in DSCC was 48.98% and 18.02%, respectively, while in DNCC, it was 7.27% and 15.79%. Ancylostomatids showed the maximum prevalence (18.37%) followed by Toxocara canis (14.28%). Intestinal parasitic infections were more prevalent among female companion dogs (17.24%) than males (16.89%). Dogs of pure or mixed breed were prone to parasitic infections (29.09%). Outdoor access (P=0.000) and irregular deworming (P=0.000) were potential risk factors for intestinal helminth infections in companion dogs. Helminth infections in dogs could be a major public health concern. Proper sanitation measures especially in DSCC areas are necessary to check this alarming issue. Bangladesh J. Zool. 49 (3): 411-421, 2021
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