Some etiological factors affecting retention of placenta in cattle and buffaloes

The bacteriological picture of uteri with retained foetal membranes, was determined in 135 cows and 91-buffaloes’ 1. Escherichia coli was the most predominating organisms (45.6%). Other organisms were also isolated such as: Corynebacterium species (42.5%)!e ot HI anti bodY’ levels was 1: 5-1: 160.(4) The frequency of NDV isolation trom oloacal and/or:heal swabs varied among ducks from different sourceso It) out ot 24 (1205 %) from an outbreak in Basateen :farm,