| on the possibility of bovine onchocerca species infecting simulium damnosum s.l. in the forest zone of sierra leone. i. parasitological aspects. | as part of a study to assess to what extent onchocerca-like infections in s. damnosum s.l. in the forest zone of sierra leone were likely to be of bovine origin, onchocerca infections were studied by post mortem examination of cattle killed at bo abattoir and by examination of skin biopsies from cattle born and reared at njala, in the forest zone, and musaia, in the savanna zone. post mortem studies of 45 cattle which had originated from northern sierra leone and guinea revealed a prevalence of ... | 1989 | 2619374 |