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Oklahoma Agricultural Experiment Station, Stillwater 74078
Abstract
A cannula and surgical procedure suitable for ileal cannulation of pre-weaned pigs were designed. Cannulas were installed in pigs at 18 d of age to study digestion immediately following weaning. The lightweight, durable T-cannula provided adequate ileal samples from pigs fed both semi-purified and practical diets. The screw cap and collar provided adjustment for growth and simplified maintenance and collection. Cannulas provided repeated ileal samples from pigs up to 60 kg, at which time cannulas were nonsurgically removed from the conscious pig. In one-half of the pigs cannulas were replaced with larger, flexible cannulas, as the pigs reached 35kg, allowing for subsequent studies with the same cannulated pigs.
1 Journal Article No. 4639 of the Oklahoma Agr. Exp. Sta., Stillwater 74078.
2 The authors wish to acknowledge the fine craftsmanship of the OSU chemistry-physics shop for making the cannulas.
3 Present address: Anim. Sci. Dept., Univ. of Florida, Gainesville 32611.
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