الفهرس 
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Abstract
Out of 220 dead rabbits, 1—24 months old, and of different breeds, 12 isolates of F. lepiseptica were recovered, ‘11 were type A, while one isolate only was type I).
— In addition to P. lepiseptica, E. coli, Staphylococcus aureus, Bordetella bronchiseptica and Apococeus were also isolated.
— 7 isolates of £ lepiseptica were detected from 1092 apparently healthy and diseased rabbits, 3 were type A, and 4 were type U. Staphylococcus aureus and fliplococcus pneumoniae were also isolated.
— Experimental infections with the isolated P. lepiseptica strains were highly pathogenic to susceptible rabbits “8—10 weeks old” and mixed infections with P. lepiseptica and each of the isolated organisms were more severe than P. lepiseptica alone.
— Both coccidiosis and mange played a mild role in the severity of experimental pasteurella infections.
— Sensitivity test in vitro indicated that oxytetra— cycline, and ebloramphenicol were highly effective on the isolated F. ica strains, while streptoayoin, ampicillin, erythron,ycin, penicillin and nitrofuraxttion were of moderate efficiency. Neomycin and sulphametho— xazole were the least effective drugs.