51 research outputs found

    Variação da contagem de células somåticas de rebanhos de acordo com o isolamento de Staphylococcus aureus e Streptococcus agalactiae em amostras de leite do tanque de expansão.

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    Variação na produção de leite de rebanhos bovinos da raça holandesa de acordo com o isolamento de Staphylococcus aureus e Streptococcus agalactiae em amostras de leite do tanque de expansão.

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    Lutzomyia longipalpis urbanisation and control

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    Ecological patterns of blood-feeding by kissing-bugs (Hemiptera: Reduviidae: Triatominae)

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    A taxonomic bibliography of the South American snakes of the Crotalus durissus complex (Serpentes, Viperidae)

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    Reptiles of the municipality of Juiz de Fora, Minas Gerais state, Brazil

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    Boletin de Entomologia Venezolana

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    In my introductory study of Nearctic Polistes (1940, JI. New York Ent. Soc., XLVIII, pp. 7-13), I proposed a tentative arrangement of the several color variations of P. canadensis (Linnaeus). I have since described one more variety and received two additional ones, the first from Mr. Pablo Anduze, in Venezuela, the second from Mr. F. Schade, in Paraguay. A more careful study of some of the forms, based on more abundant material, has led me to modify some of my earlier views and enabled me to fill in gaps in the known distribution
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