000			02100nam a2200205Ia 4500
005			20150917143213.0
008			150525s1994 xx 000 0 und d
041			_aeng
082			_a0469,T
100			_aNaveed Ahmad Khan Niazi _95581
110			_cDr. Muhammad Athar Khan _95410
245			_aEfficacy Of Various Chemotherapeutic Agents Against Experimentally Induced Avian Mycoplasmosis In Broiler Chicks
260			_c1994
502			_aA total number of 200 day old broiler chicks were procured to determine the drug efficacy of tiamulin, tylosin and oxytetracycline against jylycoplasma gallisepticum infection in-vivo. The organism prior to its use was verified on the basis of morphology, staining reaction, cultural characteristics and biochemical tests. These birds were divided into 5 groups each having 40 birds. The birds of all groups were infected experimentally except group A birds. On the appearance of symptoms of CRD, group C, D and E were treated with tiamulin, tylosin and oxytetracycline respectively at the recommended doses of manufacturers for three consecutive days. The birds of group B were kept as untreated control. The efficacy of each drug was based upon morbidity percentage, mortality percentage, case fatality, clinical symptoms, feed-intake and necropsy lesions on postmortem. The tiamulin proved superior over other two drugs as only one bird died unlike tylosin-treated group D which recorded 2.5% mortality. The oxytetracycline treated group E showed 7.5% mortality with the death of 2 birds. A total of 29 birds revealed no pathological lesion at necropsy in contrast to group E birds showing only 27 birds without necropsy lesions of CRD. The feed-intake was poorest in group E and was remained normal in both group C and D. After 144 hours post medication, the clearance of lesions were 96.6%, 90% and 76.6% for group C, D and E respectively.
650			_aDepartment of Clinical Medicine & Surgery _94563
700			_aDr. Asif _95370
700			_aDr. Muhammad Sarwar Khan _95302
710			_aFaculty of Veterinary Sciences _94292
942			_cTH
999			_c2222 _d2222