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Weaning piglets, microbial fermentation, short chain fatty acids and diarrhoea
H M van Beers-Schreurs1, M J Nabuurs, L Vellenga
1Department of Large Animal Medicine and Nutrition, Veterinary Faculty, Utrecht University, Utrecht, The Netherlands.
The Veterinary Quarterly
|August 5, 1998
Summary
Weaned pigs can absorb short chain fatty acids (SCFA) and electrolytes immediately, but require adaptation for optimal water absorption. This temporary water absorption deficit post-weaning increases fluid loss vulnerability in young pigs.
Area of Science:
- Animal Physiology
- Gastrointestinal Physiology
- Nutritional Science
Background:
- Weaning is a critical transition in piglet development.
- The large intestine's absorptive function changes post-weaning.
- Understanding these changes is vital for piglet health.
Purpose of the Study:
- To determine the effect of weaning on large intestine absorptive capacity in pigs.
- To compare absorption of short chain fatty acids (SCFA), electrolytes, and water between weaned and unweaned pigs.
- To identify potential vulnerabilities in recently weaned pigs.
Main Methods:
- Perfusion studies were conducted on weaned and unweaned pigs.
- Ligated intestinal loops were formed at four sites in the large intestine.
- Absorption rates of SCFA, sodium, potassium, and water were measured.
Main Results:
- Absorption rates for SCFA, sodium, and potassium increased from proximal to distal sites in both groups.
- Water absorption did not proportionally increase with SCFA and electrolyte absorption.
- A lower capacity for water absorption was observed in the initial two weeks post-weaning.
Conclusions:
- Pigs can absorb SCFA and electrolytes immediately after weaning.
- Optimal water absorption in the large intestine requires a post-weaning adaptation period.
- Reduced water absorption capacity post-weaning poses a risk of intestinal fluid loss in piglets.