2 resultados para Veterinary toxicology

em Biblioteca Digital da Produção Intelectual da Universidade de São Paulo


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Animal cruelty is defined as a deliberate action that causes pain and suffering to an animal. In Brazil, legislation known as the Environmental Crimes Law states that cruelty toward all animal species is criminal in nature. From 644 domestic cats necropsied between January 1998 and December 2009, 191 (29.66%) presented lesions highly suggestive of animal cruelty. The main necroscopic finding was exogenous carbamate poisoning (75.39%) followed by blunt-force trauma (21.99%). Cats from 7 months to 2 years of age were the most affected (50.79%). In Brazil, violence is a public health problem and there is a high prevalence of domestic violence. Therefore, even if laws provide for animal welfare and protection, animals are common targets for violent acts. Within a context of social violence, cruelty toward animals is an important parameter to be considered, and the non-accidental lesions that were found are evidence of malicious actions.

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Rabies is a viral encephalitis, nearly always fatal, but preventable through vaccines. Rabid animal bite is the prime transmission act, while veterinary vaccination is one of the best strategies for rabies general prevention. Aluminum compounds and saponin are the commercial adjuvants used for this vaccine nowadays. Nevertheless, aluminum compounds can provoke undesired side effects and saponin has a narrow activity range without toxicity. B. atrophaeus inactivated spores (BAIS), with or without saponin, were then used as an alternative to boost the inactivated rabies virus response. BAIS was as effective as saponin in augmenting antibody titers, but combination of both adjuvants doubled the titers raised by them individually. The combined adjuvant formulation maintained viability for 21 months when stored at 4-8 degrees C. Overall, BAIS was demonstrated as a viable alternative to commercial adjuvants, while its combination with saponin resulted in even higher vaccine potency with good stability. (C) 2012 Elsevier Ltd. All rights reserved.