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Abstract
Full-sib family selection for rate (LG) and for efficiency (LE) of protein gain was based on 3 to 8- or 9-week protein gain with bulk-feeder (B) cages for the LG line and on protein gain per unit of feed in tube-feeder (T) cages from 3 to 9 weeks or to a final weight of about 300 g for males a





