Journal article
Effect of withholding macromolecules on the duration of intestinal permeability to colostral IgG in foals
Australian Veterinary Journal, Vol.83(1-2), pp.78-81
2005
Abstract
Objective. To quantify absorption of colostral IgG by healthy neonatal foals and to test the hypothesis that delayed ingestion of macromolecules prolongs the duration of intestinal permeability to immunoglobulins (Ig) in newborn foals.
Animals. Thirteen mixed breed foals.
Procedure. Foals were randomly assigned to two treatment groups, which were fed either a glucose-electrolyte solution or a commercial milk replacer for 12 h after birth, before being fed a known amount of colostral IgG. A control group was fed a known amount of colostral IgG from birth. The efficiency of IgG absorption was calculated following determination of plasma IgG concentration for each foal.
Results. Foals given colostrum immediately after birth transferred approximately 51% of ingested IgG into their vascular space. Delayed colostral ingestion significantly reduced the amount of IgG absorbed by foals. Withholding macromolecules for 12 h had no effect on the subsequent efficiency of IgG absorption.
Conclusions. Colostrum should be supplied to foals within 12 h of birth for best uptake of Ig. The type of fluid administered to foals before the ingestion of colostrum does not influence subsequent absorption of Ig, suggesting that the process of gut closure in foals is not mediated by a finite capacity for macromolecular uptake.
Details
- Title
- Effect of withholding macromolecules on the duration of intestinal permeability to colostral IgG in foals
- Authors/Creators
- S.L. Raidal (Author/Creator) - Murdoch UniversityC. McTaggart (Author/Creator) - Murdoch UniversityJ. Penhale (Author/Creator) - Murdoch University
- Publication Details
- Australian Veterinary Journal, Vol.83(1-2), pp.78-81
- Publisher
- Wiley-Blackwell
- Identifiers
- 991005544622007891
- Murdoch Affiliation
- School of Veterinary and Biomedical Sciences
- Language
- English
- Resource Type
- Journal article
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Source: InCites
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- Citation topics
- 3 Agriculture, Environment & Ecology
- 3.51 Dairy & Animal Sciences
- 3.51.2057 Colostrum
- Web Of Science research areas
- Veterinary Sciences
- ESI research areas
- Plant & Animal Science