Effects of gastric loading on the sucking response and voluntary milk intake in neonatal piglets. |
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Authors: | D B Stephens |
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Abstract: | The effects of loading the stomach of piglets with 100 ml of milk after 6 hr of fasting and immediately before allowing them access to the dam were studied. Piglets gained less weight and rested more often on preloaded days. This suggests that gastric receptors exist and signal distension of the stomach. Monitoring sucking responses to a rubber teat revealed that although preloading the stomach substantially reduced voluntary milk intake during the initial 10-min. period of the test, the vigorous oral activity continued largely unabated. Isotonic saline suppressed the voluntary milk intake of the piglets for a shorter period than milk or isotonic glucose solution. |
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