Yak is an important domestic animal, especially for highlanders. For the people of Sakteng Gewog more than 82% solely depend on yaks and its hybrids (Zo/Zom) in sustaining their livelihood. Increase in yak production is reliant on prevention or controlling of various diseases including parasitic infection despite other farm management practice. Heavy internal parasites in the digestive tract can compete for the nutrients whereas highly infestation of external parasites can cause heavy blood loss from animal body resulting in decreased production.
Twenty two yak herds (11 each herd’s summer and winter) were randomly selected for this study. In total 56 faecal samples from weak, anaemic and diarrhoeic animals were collected in summer for internal parasites examination. In winter 118 samples were collected for both examinations of internal and external parasites. Faecal sample was collected directly from rectum or freshly passed dung and preserved with 10% formalin. The sample vials were properly labeled. The samples were examined using both sedimentation and floatation methods in RLDC, Kunglung, Trashignag. Information pertaining to internal and external parasites was collected using a semi-structure questionnaire. Data analysis was done using Statistical Package for Social Science (SPSS) Version 16.0.
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