Prevalence of Gastrointestinal Parasitic Infestation of Calf at Sylhet Government Dairy Farm (SGDF), Bangladesh

To investigate the prevalence of gastrointestinal parasitic infestation (GIT) of calves, 35 fecal samples were collected from District Dairy Farm, Sylhet of Bangladesh. Fecal samples of two different genotypes were examined for GIT parasites. The results of the fecal examination revealed that 57.14% calves were infected with some of the parasites. The highest prevalence of parasitic infestation was by Oesophagostomum radiatum (25.71%) followed by Trichuris trichuris (20.00%), Toxocara vitulorum (14.29%), Haemonchus contortus (11.43%), Moniezia expansa and Fasciola gigantica (8.57%) and infestation with Trichostrongylus axei, Strongyloides papillosus, Moniezia benedeni and Bunostomum phlebotomum was the lowest (2.86%). Prevalence of GIT parasitic infestation in Shahiwal and Holstein Frisian was 60% and 40% respectively. The prevalence GIT parasites in calves were high at above one year age (57.14 %) and lowest in below one year age (40.00%). The age and genotype of the calves and the locality of investigations might have influenced the prevalence of the parasitic infections.