Main challenges in poultry farming. Vaccination failures
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Main challenges in poultry farming. Vaccination failures

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A vaccination failure occurs when the chickens do not develop suitable antibody titer levels and/or are susceptible to a field disease outbreak. Therefore, an updated review (visual-type) has been thoroughly developed in order to highlight the importance of detecting and solving the major vaccination failures in commercial chickens to control diseases affecting this species. The handbook has been written by a prestigious expert with a wide experience in this field. Numerous graphic resources have been included to complement the information provided and make the contents more understandable and accessible to readers.

Mohamed Faizal Abdul-Careem

Dr. Mohamed Faizal Abdul-Careem is Associate Professor (virology) at the University of Calgary (Canada) since 2010. He has obtained his basic veterinary degree (BVSc) from the University of Peradeniya (Sri Lanka) and a Master of Veterinary Medicine degree (MVM) from the University of Glasgow Veterinary School (UK) in 1995. He completed his PhD degree from the University of Guelph (Canada) in 2008. His doctoral thesis entitled “Characterization of Host Responses Following Marek’s Disease Virus Infection or Vaccination Against Marek’s Disease”. Following his PhD degree, he was awarded a prestigious Canadian Institutes of Health Research Fellowship to conduct post-doctoral research on innate immune responses generated against mucosal viral infections at the Center for Gene Therapeutics of the McMaster University (Canada). He is diplomate of American College of Poultry Veterinarians (ACPV) and American College of Veterinary Microbiologists (ACVM).
He has expertise and strong interests in the area of avian viral immunology. He has around 37 manuscripts published in peer-reviewed journals and 90 % of these manuscripts are on avian viral immunology. His research programme at the University of Calgary is supported by grants from Canadian federal, provincial and poultry industry sources such as Natural Sciences and Engineering Research Council of Canada, Alberta Livestock and Meat Agency (ALMA), and Canadian Poultry Research Council. He has established state-of-the-art research facility for his experimental animal and laboratory work at the University of Calgary.

1. Introduction

  • Significance of poultry infectious diseases
  • Control options for poultry infectious diseases
  • General definition of vaccination
  • History of poultry vaccines and vaccination
  • Economic benefits of vaccination

2. Types of poultry vaccines

  • Killed vaccines
  • Live attenuated vaccines
  • DNA vaccines
  • Recombinant vaccines

3. Vaccination techniques

  • Spray vaccination
  • Drinking water vaccination
  • Parenteral routes
  • In ovo vaccination

4. Vaccine-mediated immune responses

  • Mechanisms of induction of vaccine-mediated immune responses

5. Evaluation of vaccine efficacy

  • Monitoring vaccine take
  • Monitoring antibody response
  • Monitoring protection

6. Causes of vaccination failures

  • General definition of vaccination failure
  • Evolution of pathogens
  • Poor cross protection between serotypes, pathotypes and strains of the same pathogen
  • Maternal antibody interference
  • Early exposure to pathogens
  • Exposure to heavy pathogen loads
  • Immune suppressive conditions of the host
  • Uneven vaccine uptake
  • Improper vaccine storage and handling during vaccination

7. Field examples of vaccination failures

  • Marek’s disease
  • Infectious bronchitis
  • Infectious bursal disease
  • Newcastle disease
  • Infectious laryngotracheitis
  • Avian influenza
  • Fowlpox

8. Overcoming vaccination failures in poultry flocks

  • References
  • Autor/es Mohamed Faizal Abdul-Careem
  • Fecha de edición abril 2016
  • Nº Páginas 80
  • Encuadernación Tapa blanda. Wire-o
  • Tamaño 17 X 11
  • Idioma Inglés

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