Flutuaçäo sazonal da incidência de berne (Dermatobia hominis L. JR. 1781) (Diptera: cuterebridae) nas regiöes corpóreas em bovinos / Sazonal flutuation in incidence fo berne larvae (Dermatobia hominis) in corporis of regions bovines

ABSTRACT

During a two-years-period, fron january 1982 to December 1983, nodules of berne were counted in the left side of 720 Canchim bovines, aging from 24 to 36 months old. The counts were performed every 14 days in lots of 15 animals, males and females, with tegumentar body surface divided into ten regions head, dewlap, neck, shoulder, foreleg, ribs, belly, rump, perineal and hindleg. Of the body regions studied, only the belly and perineal regions did not show (P > 0.05) signicant relationship of parasite infestation and season of the year. On the other regions of the body, infestation was greater in february and september. Among regions, infestation was greater on those in the anteror part of the bady