Pathological Studies on Pneumonta With Particular Reference to Those Associated With Mycoplasma in Some Farm Animals

301 specimens from sheep, cattle nnd buffaloes lungs yere collected, 17 F.M. cases cQried out in the petholgoydepertment and 284 from slaughtered nnimals from Cairo nbbatoir.These samples collected in the period from March 1971 to June 1973 and examined pathrlogically and bacteriologically.30 C2.ses were taken, 10 from each 2.s normal control.In sheep Gross ex.a.mj_J’lation or or j?-’1p.t1mnn.ic cases revealedthat the anterior lobes were tLQ most frequently affected part of the lung ( 53 cases ). Microscopically, the main pathological chaOSQR wer-e proliferative interstitial pneumcnia with excessive lymphoid hyperplasi2.. from snc:h <’n” It MycCpla12.DIBa~rK;!34 Olt of 92 cases. rocopically, it was found that 34 cases showedcOl~estion, 47 cases had interstitial pneumonia a Loru wt .n bronchopneumonia in some c as e s and br-onc h. t is and peri bronchi tis in c t hers , Only