The primary aim of in vitro culture of whipworms (Trichuris ovis) is to provide artificial conditions under which the life cycle of the parasites completed outside the host under controlled conditions. The physiological solutions used for the present study were sodium chloride (0.64%), Ringer’s solution, Tyrode’s solution, and Lock–Lewis solution. Parasites were collected from freshly slaughtered intestine of the host. The recovered parasites were washed with running tap water after that with normal saline. After washing parasites were put in four petridishes containing different physiological solutions. Observations were recorded after interval of every 8 h. The hundred percent survival of Trichuris ovis was observed at 32, 40, and 48 h in NaCl (0.64%), Ringer’s, Tyrode’s, and Lock–Lewis solution, respectively in case of both male and female parasites. In sodium chloride solution (0.64%) cent percent mortality was observed after 64 h of incubation in males and in case of females it was observed 72 h. In Ringer’s solution cent percent mortality was observed after 72 in males and in females it was observed 80 h. In Tyrode’s solution cent percent mortality was observed after 88 h in males and 96 h in females. In Lock–Lewis solution cent percent mortality was observed after 96 h in case of both the male and female parasites. Present study could be used to understand the effects of various drugs on the above parasites and also other intra-intestinal parasites
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