107 resultados para Fowl
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Thebes (deserted settlement), Egypt; H: 2 ft. 1 13/64 in.; W: 2 ft. 4 47/64 in. (painting); painted plaster
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Made up set; supplied title.
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Mode of access: Internet.
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Mode of access: Internet.
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Reprinted from: American Veterinary Review, 1898, v. 22, p. 3-25.
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Cowinner in the Poultry Disease Essay Contest, 1961.
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Mode of access: Internet.
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Mode of access: Internet.
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Mode of access: Internet.
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"September 1986."
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Mode of access: Internet.
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Includes index.
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Includes bibliographical references.
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We have previously constructed an acapsular Pasteurella multocida X-73 (serogroup A) mutant strain which was attenuated in virulence for chickens (Chung JY, Wilkie IW, Boyce JD, Townsend KM, Frost AJ, Ghodussi M, Adler B. Role of capsule in the pathogenesis of fowl cholera caused by Pasteurella multocida serogroup A. Infect. Immun. 2001;69:2487-2492). In this study, we have assessed the ability of this acapsular strain (PBA930) to induce protection against wild-type challenge in mice and the natural host chickens. Intramuscular administration of PBA930 to mice stimulated significant protection against X-73 and the heterologous strain P-1059 (A:3), but not against challenge with P-1662 (A:4). No protection was observed when PBA930 was introduced by the intraperitoneal or subcutaneous routes in mice. Significantly, the acapsular strain PBA930 was able to induce protection against challenge with wild type X-73 in chickens. (c) 2004 Elsevier Ltd. All rights reserved.