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  4. AAEP Annual Convention - Las Vegas, 2009
  5. How to Use a Quantitative Turbidimetric Immunoassay Assay to Determine Immunoglobulin G Concentrations in Neonatal Foals
AAEP Annual Convention Las Vegas 2009
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How to Use a Quantitative Turbidimetric Immunoassay Assay to Determine Immunoglobulin G Concentrations in Neonatal Foals

Author(s):
Ferris R.A. and
McCue P.
In: AAEP Annual Convention - Las Vegas, 2009 by American Association of Equine Practitioners
Updated:
DEC 09, 2009
Languages:
  • EN
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    1. Introduction
    Newborn foals are born immunocompetent but without circulating immunoglobulins.1  It is crucial that the newborn foal receives immunoglobulins from the mare’s colostrum to prevent infectious disease during the first few months of life. Healthy foals ingesting good-quality colostrum will typically have immunoglobulin G (IgG) levels >800 mg/dl at 24 h of life, which is considered adequate passive transfer of immunity.2  Failure of passive transfer (FPT) is commonly defined as an IgG level <400 mg/dl after 24 h of age.2  Partial failure of passive transfer (PFPT) is defined as an IgG level between 400 and 800 mg/dl at 24 h of age.2

    The incidence of FPT in foals is 10–20%, and the incidence of PFPT in foals 17–19%.3–7  Risk factors for FPT include ingestion of colostrum with a low level of immunoglobulin, failure to ingest a sufficient quantity of colostrum, and failure to absorb colostral immunoglobulins from the gastrointestinal tract.2 [...]

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    How to reference this publication (Harvard system)?

    Ferris, R. and McCue, P. (2009) “How to Use a Quantitative Turbidimetric Immunoassay Assay to Determine Immunoglobulin G Concentrations in Neonatal Foals”, AAEP Annual Convention - Las Vegas, 2009. Available at: https://www.ivis.org/library/aaep/aaep-annual-convention-las-vegas-2009/how-to-use-a-quantitative-turbidimetric-immunoassay-assay-to-determine-immunoglobulin-g (Accessed: 01 October 2023).

    Author(s)

    • R. Ferris

      Ferris R.A.

      DVM, MS, Diplomate ACT
      Summit Equine,
      Read more about this author
    • Patrick McCue

      McCue P.

      Professor
      BA DVM PhD Dipl ACT
      Equine Reproduction Laboratory, College of Vet Medicine and Biomedical Sciences, Colorado State University
      Read more about this author

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    The AAEP represents nearly 9,300 veterinarians and veterinary students in 61 countries who cover a broad range of equine disciplines, breeds and associations. The AAEP is primary resource for education, professional development and ethical standards for its members. The AAEP and its members are recognized as the voice and authority for the health and welfare of the horse. The AAEP conducts regular strategic planning every three to four years in order to establish priorities and set direction for the association over the current planning horizon.  The AAEP is a respected source of information for influencing public policy.  

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