Effects of feeding aspirin and soybean oil to weanling pigs.


Three trials were conducted with 216 Yorkshire x Duroc x Hampshire crossbred pigs (equal males and females) weaned at 3 to 4 wk of age (avg 7.4 kg initially) to determine the effectiveness of aspirin in an 18% CP corn-soybean meal starter diet (with and without soybean oil in Trial III) for improving postweaning performance and reducing scours. When aspirin levels common to all trials (0, 250 ppm) or common to Trials II and III (0, 125 and 250 ppm) were compared, improvements in ADG (P less than .10) and daily feed intake (P less than .05) were observed with no effect on efficiency of feed utilization. There was a quadratic effect of aspirin (P less than .10) in Trials II and III, the trend suggesting that the response to 125 ppm was as effective as the response to 250 ppm aspirin. The addition of soybean oil in Trial III did not enhance the response. In all trials, scouring was reduced (P less than .05) when pigs were fed 125 or 250 ppm aspirin; the improvement was greatest for 125 ppm aspirin after 5 d on test. Pooled data suggested no effect (P greater than .10) of aspirin on hemoglobin concentrations and blood clotting times; slightly higher (P less than .10) hematocrit values and DM content of colon digesta occurred in pigs fed 125 ppm aspirin vs controls.(ABSTRACT TRUNCATED AT 250 WORDS)

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@article{Xu1990EffectsOF, title={Effects of feeding aspirin and soybean oil to weanling pigs.}, author={Zi Rong Xu and E. T. Kornegay and Laurene A Sweet and Merlin D. Lindemann and Hugo P. Veit and Bryn A Watkins}, journal={Journal of animal science}, year={1990}, volume={68 6}, pages={1639-47} }