Adding amino acids like threonine and lysine completely compensates the lack
of growth promoters in pig feed.
Studies by the Dutch institute Schothorst Feed Research support this
conclusion. The institute discovered that pigs predominantly need more
threonines when not being fed growth promoters.
When the animals are
still being fed growth promoters, however, adding lysine or threonine does not
appear to work.
Pigs having a threonine-lysine percentage of about 65
to 70% in the feed perform as well as when being fed meals containing growth
â€¢ Schothorst Feed Research
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