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Performance of Soybean Meal from Different Orgins

An experiment was conducted in Korea to study the effects of source of the soybean meal on gestation and lactation performance. One hundred and twenty crossbred multiparous sows were assigned to three dietary treatments and fed a corn-soybean diet containing soybean meal from the U.S., Brazil or India as the major protein source. Diets were formulated to meet the nutritional requirements and fed during gestation, lactation, and from weaning to estrus according to physiological status. The average daily gain, average daily feed intake or gain per feed intake did not differ during the gestation period. During the lactation phase, average daily feed intake, backfat change, and the number of days between weaning and estrus were not different for the three treatments. The numbers of pigs born alive and total litters weight for the sows fed the U.S. soybean meal was significantly greater than those fed the Brazilian meal. The performance of the sows fed the Indian sourced soybean meal was intermediate. The sows fed the U.S. soybean meal had greater weight loss that probably reflected litter size and greater demand on the sows. Litter weaning weights of the U.S., Brazilian and Indian soybean meal treatments were 56.1, 52,9 and 54.4 kg, respectively. These results support the high quality of U.S. soybean meal.

Kim, H.K. and co-workers. 2001. Effects of soybean meal from different sources on sow and litter performance during gestation and lactation. J. Animal Sci. 79:Suppl.1 (abstract 880).