Table 5. Ileal basal endogenous losses (BEL) of amino acid in laying hens fed a nitrogen-free diet
1)
Item
BEL (mg/kg dry matter intake)
Indispensable amino acid
Arg
1,138
His
492
Ile
957
Leu
1,735
Lys
1,125
Met
334
Phe
879
Thr
1,527
Val
1,084
Dispensable amino acid
Ala
1,080
Asp
2,015
Cys
715
Glu
2,571
Gly
1,108
Pro
1,084
Ser
1,476
Tyr
838
Values are means of five replicate cages with six hens per cage.