Exp. 2
Similar to Exp. 1, pigs fed the low-CP diet without
supplemental Ile + Val had decreased ADG compared
with pigs fed the PC diet (Table 3). Supplementation
with Ile + Val, Ile + Val + Cys, or Ile + Val + Gly
improved ADG moderately such that ADG of pigs fed
these diets was not different from that of pigs fed the
PC or NC diets. The ADFI of pigs fed the NC + Ile
+ Val and NC + Ile + Val + Gly diets were greater
than those of pigs fed the PC, NC, or NC + Ile + Val
+ Cys diets.
The G:F of pigs fed the PC diet was greater than
that of pigs fed all other diets, and no AA supplementation
improved G:F compared with that of pigs fed the
NC diet. As in Exp. 1, PUN was reduced in pigs fed
all low-CP diets compared with pigs fed the PC diet,
and PUN was not affected by supplementation with
any AA.