Among the parasites, Stephanofilaria sp., Onchocerca sp., Rhabditis sp.
Ear sore caused by Stephanofilaria zaheeri and Railletia auris infestation in buffaloes has been previously reported in India.
Stephanofilariasis is caused by nematodes of the genus Stephanofilaria, a chronic disease that occurs in dairy cattle, with prevalence in the summer because it is transmitted by flies (1, 2).
This study reports an outbreak of nematode Stephanofilaria in 69.2% of dairy cows on a farm in Southern Brazil.
Impression smear revealed microfilaria, whereas scrapings revealed some microfilarial stages of Stephanofilaria. It was confirmed as filiaria by expert and suggested for further investigations.
Skin scraping in KOH found negative for mites whereas scrapings in normal saline on centrifugation and sediment revealed some microfilarial stages of Stephanofilaria.
assamensis (Pande, 1936) in the family Setariidae causes 'hump sore', a chronic dermatitis of cattle, buffaloes and goats in India (Soulsby, 1982).
Association of Stephanofilaria
indistinguishable from S.