poultry farming vaccines and vaccinations(Free Course)


proper timing and proper administration


What you’ll learn

  1. vaccination principales
  2. optimum administration
  3. avian immunology and vaccine response

This course includes:

  • 1 hour on-demand video
  • Full lifetime access
  • Access on mobile and TV
  • Certificate of completion


  • poultry farming interest
  • Description
  • Immunization through vaccination is a commonly used
  • method of reducing the risk (increased ID50) and consequence
  • (reduced pathogenicity) of bird or flock exposure to a disease-causing agent..
  • Vaccination is the practice of administering live and/or killed vaccines which have been modified to minimize
  • disease manifestation yet maximize immunity.
  • the primary purpose of immunization is to raise
  • the ID50 of the flock to prevent clinical disease following
  • subsequent challenge.
  • While some vaccines are given to protect
  • that individual bird against disease,
  • others are given to pass the
  • protection on to the next
  • generation, and others are given to prevent disease in the hen
  • and subsequent transmission of the disease to the chick
  • Vaccines and vaccine programs vary widely in their
  • effectiveness, and this is frequently by design. Some vaccines
  • are designed to incite high levels of immunity to protect birds
  • in the face of aggressive endemic disease challenges, such as
  • vvND.
  • These vaccines may cause a mild form of the
  • disease themselves but are deemed appropriate and
  • useful because of the risk associated with eventual infection of the
  • deadly field pathogen.
  • Vaccine selection and how they are programmed
  • frequently becomes an exercise in risk management and cost
  • efficiency.
  • Local conditions must always be
  • considered when evaluating and critiquing a
  • vaccination program.
  • A second reason for the vaccination
  • of poultry flocks is to hyper immunize hens to maximize
  • maternally derived antibody passed through the egg to the
  • hatching progeny.
  • Chicks frequently receive up to 3 weeks of protection from maternal anti-
  • bodies, allowing their immune system to mature to a level capable
  • of eliciting an efficient active immune response if exposed to a
  • potentially harmful virus or bacteria.
  • Antibodies are not always completely protective but for
  • viruses such as infectious bursal disease (IBD), many areas of the
  • world have found maternal antibodies a very useful tool in IBD
  • prevention and control.
  • The success of vaccination does not rest solely with the manufacturing or research of
  • vaccines. More important is the maintenance of the cold chain, protection of
  • the vaccine from the elements, and the correct application of the vaccine to the
  • bird.
  • vaccination programs should be documented
  • for each operation by the responsible veterinarian and
  • operations manager. All vaccines must be stored at the
  • correct temperature. Most vaccines require
  • refrigeration at 2°C to 8°C
  • Some vaccines, mostly killed oil
  • vaccines, can be safely stored at
  • room temperature. Some vaccines
  • need to be stored at temperatures
  • below 0°C..
  • Vaccines are adversely affected by
  • exposure to sunlight and heat. Vaccines must be administered
  • using suitably cleaned equipment and be given to every bird in
  • the defined epidemiological unit
  • Live vaccines are widely used throughout
  • the world because they are commonly effective when mass
  • applied, and they are relatively economical.
  • immunity from live vaccines is generally
  • short-lived, particularly following initial
  • exposure. Some exceptions to this exist for
  • vaccines such as for infectious laryngo-
  • tracheitis, fowl pox, and Marek’s disease,
  • which give long-lived immunity.
  • Inactivated vaccines or killed vaccines used in poultry are
  • generally whole bacteria or virus preparations combined with
  • an adjuvant that are designed for subcutaneous or intramuscular
  • injection
  • They are frequently, but not always, used in
  • commercial egg layer and breeding birds to
  • stimulate long lasting immunity and/or antibody levels to specific antigens.

Who this course is for:

  • poultry farm owner,poultry science students,veterinarian,all interested in poultry farming

Free Udemy Course Instructors

Mohamed AL ashram

Author instructor full time content creator

  • 4.0 Instructor Rating
  • 602 Reviews
  • 47,347 Students
  • 16 Courses

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