76 страниц. 2012 год. LAP Lambert Academic Publishing Contribution of livestock is about % of agriculture value and 11.4 % to the national GDP ith a total number of animals of million.In Pakistan the trend of extensive farming is common and has open grazing in the feild. Most of the farmers have up to 6 number of animals while sixteen percent farmers have more than 6 nimals. Gastrointestinal parasites are very common in sheep because of their open grazing and watering habbits. Parasites cause the economic losses and considered one of the most common infections.