[Critical test of the activity of tetramisole phosphate on gastrointestinal helminths of sheep]. / Teste crítco da atividade do fosfato de tetramisol contra os helmintos gastro-intestinais de ovinos.

The phosphate sale of tetramizol assayed in naturally infested sheep by subcutaneous infection at the dosis of 8,66 mg/kg revealed very high efficiency against strongylid gastro-intestinal nematodes; its efficiency was comparable that found by several authors for the hydrochloride and cyclamate salts of the same drug, also by subcutaneious injection, at the dosis of 10 mg/kg. In what concerns helminths belonging to the genera Strongyloides and Capillaria our results were not conclusive enough.

[Occurence of Ornithoros talaje Guérin et Méneville, in the township of Santo Inácio, Bahia (author's transl)]. / Ocorrência de Ornithodoros talaje Guérin et Méneville, 1849, (ixodides: Argasidae), na localidade de Santo Inácio, Bahia, Brasil.

It is reported in the paper, the ocurrence of Ornithodoros talaje in the township of Santo Inácio, near Xique-Xique, situated in a special region called "Caatinga Nordestina", in the State of Bahia, Brazil. Some informations about the geological composition of the region and of the tick's ecologycal behaviour, are also presented.

[The occurrence of Chorioptes bovis in bovines in the region of São Carlos, State of São Paulo (author's transl)]. / Occorência de Chorioptes bovis Gerlach, 1857 (Acari: Psoroptoidea, psoroptidae) em bovinos no município de São Carlos, São Paulo.

The finding of Chorioptes bovis, the agent of corioptic mange in bovines in the region of São Carlos, State of São Paulo. A description of clinical aspects and treatments is given.