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Livestock plays an important role in the economy of Pakistan. Livestock sector contributed approximately 51.8 percent of the agriculture value added and 11.3 percent to national GDP during 2008-09. Animal diseases continue to constrain livestock productivity, agricultural development, human well-being and poverty alleviation in many regions of the developing world. Veterinary parasitic diseases cause enormous annual economic losses to livestock industries worldwide. Among parasitic diseases, protozoan diseases are responsible for considerable morbidity and mortality in domestic and companion...