Article published the January 2, 2019
Introduction
In nutritional programs for swine, antibiotic and anti-microbial additives that act as growth promoters have been used in sub-therapeutic and constant doses ever since the 1950s. In post -weaning, these additives promote an average increase of 16.4% in weight gain and 6.9% in feed efficiency (Cromwell, 1991). However, despite of the evidenced ability on improving the growth performan ...
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