J. Anim Sci.
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Journal of Animal Science, Vol 72, Issue 12 3163-3168, Copyright © 1994 by American Society of Animal Science

JOURNAL ARTICLE

Effect of creep feeding on selected microflora and short-chain fatty acids in the ileum of weanling pigs

A. G. Mathew, T. Jones and M. A. Franklin
Department of Animal Science, University of Tennessee, Knoxville 37901-1071.

Pigs cannulated at the ileum were used to investigate the effect of creep feeding on specific intestinal microflora and VFA and lactate concentrations. In two replicate trials performed 50 d apart, a total of 24 15-d-old nursing pigs from seven sows were cannulated in the terminal ileum and randomly assigned to two test groups. One group was allowed access to a creep diet, whereas the other group was denied access to the diet by removal from the farrowing crate. Ileal samples were collected at 19, 22, 26, and 29 d of age (preweaning) and at 33, 36, and 40 d of age (postweaning). Samples were assayed for total and hemolytic E. coli, total lactobacilli, pH, acetate, propionate, butyrate, isobutyrate, valerate, isovalerate, D(-), and L(+) lactate. Creep feeding did not affect lactobacilli or E. coli concentrations (P > .05), nor did it affect short-chain fatty acid concentrations (P > .05). Most volatile fatty acid concentrations decreased (P < .05), total lactate increased (P < .05), and the proportion of E. coli that were hemolytic increased (P < .05) following weaning. Consumption of creep feed did not affect specific microbial populations or fermentative byproducts in the ileum of the young pig.


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M. A. Franklin, A. G. Mathew, J. R. Vickers, and R. A. Clift
Characterization of microbial populations and volatile fatty acid concentrations in the jejunum, ileum, and cecum of pigs weaned at 17 vs 24 days of age
J Anim Sci, November 1, 2002; 80(11): 2904 - 2910.
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Copyright © 1994 by the American Society of Animal Science.