Aspectos clínicos, patológicos e epidemiológicos de doenças imunossupressoras em aves
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Data
2014-07
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Resumo
The intensification of poultry associated with environmental conditions and
management practices stressful, often does not provide effective control strategies
against pathogens and are responsible for increasing health challenges. The
response of the immune system is highly organized and loss of regulatory control
often results in immunosuppression. Immunosuppressive diseases resulting from this process has significant economic importance in poultry production business. Thus,
economic losses resulting from the exposure of birds to these agents trigger losses
on the performance and increase susceptibility to secondary infections. Among the
agents that induce stress in birds there are the environmental conditions to which the
birds are subjected to environments farms. And in the case of diseases, the most
prominent as immunosuppressants are: Marek's disease, hemorrhagic enteritis,
malabsorption syndrome, turkey rhinotracheitis, swollen head syndrome, Newcastle
disease, chicken anemia and infectious bursal disease. These aggravate the disease
and may occur sequentially or simultaneously. May also be present and cause
considerable mortality or present only subclinical disease or be worsened by
secondary diseases. Regardless of the presentation of the disease, the same result
in a consequent increase in economic losses. And it is precisely for this reason that
the prevention and control of immunosuppressive diseases is important and should
be done to enable the industrial creations.
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Avicultura, Doenças, Imunidade, Prevenção, Sanidade, Poultry, Diseases, Immunity, Prevention, Health
Citação
ROCHA, Tatiane Martins; ANDRADE, Maria Auxiliadora; SANTANA, Eliete Souza; FAYAD, André Ribeiro; MATIAS, Thiago Dias. Aspectos clínicos, patológicos e epidemiológicos de doenças imunossupressoras em aves. Enciclopédia Biosfera, Goiânia, v. 10, n. 18, p. 355-379, jul. 2014.