Table 3 Plasma post-prandial (5 h after intubation) and post-absorptive (24 h after intubation) lysine and ammonia concentrations (nmol/mL) of rainbow trout fed graded levels of dietary lysine¹

0.72

139^e

159^c

115^d

122

1.12

236^d

172^c

119^d

127

1.52

327^c

216^b

146^c

120

1.92

515^b

241^ab

152^c

129

2.32

631^a

275^a

234^b

119

2.72

651^a

258^ab

282^ab

115

3.52

605^a

280^a

301^a

124

Pooled SEM²

78.5

18.3

29.6

1.8