in a three-factorial experiment with 216 piglets of the same age ( 33 +/- 4 days ) but a different weight ( weaning weight from 5.5 to 9 kg ) a conventional piglet rearing feed containing 20 % crude protein ( standard ) , a high-energy diet and a low-protein diet ( 16 % crude protein ) were tested .
C0005911
different weight
C0005910
weight