EFFICACY OF THE COMBINATION OF LINCOMYCIN AND SULPHAMETHAZINE IN PRODUCTION PERFORMANCES AND CONTROL OF INFECTIOUS PNEUMONIA IN SWINE
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Fourty eight crossbred swine belong to Large White x American Landrace averaged 29.83 kg were randomly allotted into 2 groups. Twenty four pigs (4 pens) were fed 17 percent protein growing ration fortified with Tylan Sulfa for 45 days as treatment I. Another 24 pigs (4 pens) were fed also 17 percent protein growing ration fortified with Lincomycin plus Sulphamethazine for 45 days as treatment II. From 45 days to 90days of feeding all pigs were fed the same 15 percent protein finishing ration alone. After 90 feeding days hogs were slaughtered to determine lung lesion.
No significant differences were found in average daily gain, feed conversion ratio and average daily intake at 45 and 90 feeding days of both groups. Precentage of pigs fed ration contained Tylan Sulfa and Lincomycin plus Sulphamethazine affected to infectious pneumonia were 69.23 and 76.92 percent and pneumo nic area were 70.00 and 70.42 percent, respectively.
Mortality, morbidity and skeletal defects were not observed in all experimental pigs.
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References
Bruner, D.W. and Gillespie, J.H. (1973). Hagan's infeciouse diseases of domestic animals. 6th. ed. Cornell University Press. Ithica, USA.
Dunne, H.W. (1970). Diseases of swine. 3rd ed. The lowa State Univesity Press. Ames, lowa, USA.