Specimens of ticks were collected in 1993, 1996, 1997 and 1998, mostly from wild and domestic animals in the Western plateau (São Paulo and Minas Gerais), Pantanal (Mato Grosso do Sul) and Serra do Mar (São Paulo) regions of Brazil. Nine species of 'Amblyommidae' were identified: Anocentor nitens,...

Results of work of F & M disease vaccine prepared from live virus modified in day-old chicks and embryonated eggs are considered satisfactory. Antiserum was prepared for diagnostic purposes and for studies, by immunofluorescence, of the developmental cycle of Toxoplasma gondii and toxoplasmosis was ...

Among the recommendations approved by the Congress for consideration by the authorities were the following: - there should be a standard method throughout the country for the preparation of anti-rabies vaccine; swine fever vaccines should be thoroughly tested before being given official approval;...