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Feeding GMO Meal to Swine Researchers at the University of Kentucky compared soybean
meal prepared from genetically modified, herbicide (glyphosate)-tolerant
soybeans containing the CP4EPSPS protein and near-isogenic conventional
soybeans in an experiment with growing-finishing pigs. The soybeans
were grown in the 2000 season under similar environmental conditions.
The soybeans were processed using similar processing conditions. The
composition of the two meals was similar. Diets were formulated using
the two soybean meals. One hundred crossbred pigs weighing 24 kg. were
allocated to twenty pens and the two treatments. The experiment was
terminated when the pigs reached 107 kg. Results indicated that the
rate of gain, feed use efficiency, scanned backfat and longissimus area,
calculated carcass lean percentage, sensory scores of cooked longissumus
muscles were not different (P>0.05) for pigs fed diets containing
conventional or Roundup Ready soybeans soybean meal. Response of the
type of soybean meal was similar for males and females with no evidence
of a diet x sex interaction for any trait. The authors concluded that
the Roundup Ready soybean meal was essentially equivalent in composition
and nutritional value to conventional soybean meal for growing-finishing
pigs.
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