Abstract:
Occurrence of goat warbles (przhevalskiana silenus Brauer) was carried out on eight tlocks (n = 1000) in four villages at Fort Munro and six flocks (n = 800) in three villages at Rakni, Dera Ghazi Khan. Study was conducted on animals during 3rd and 4th week of December, 1996. The nodules of goat warble larvae were palpated on the back of infected animals through hand palpation method. The occurrence of goat warbles at Fort Munro and Rakni was 18 and 35 %, respectively. The degree of infestation of goat warbles in animals at Fort Munro and Rakni ranged upto 40 and 50 %, respectively. There were 70 goats at Khar and 120 goats at Rakni with the infestation of number of larvae between 10 to 40. The object of this study was to control goat warbles przhevalskiana silenus Brauer at 1.3 stage in the body of animal with the use of ivermectin. The ivermectin at dose rate of 200 f-tg/kg was 100 % effective against L� and L� stages of goat warbles.
