Contact : Nutri-Net, Le Haras, rue Beaumanoir, 56190 Muzillac, France | tel : +33 (0) 608 229 402 | email : [email protected] | www.nutri-net.fr
• Tryptophanisanessentialamino-acid
• Tryptophanisalimitingamino-acidincornsoyabeandiets
• ConsumptionofTryptophanisbelowtherequirementswhen
feedconsumptionislowincaseof:
-Heatstress
-Sanitaryproblems
• Tryptophanhasnumerousimplicationsbesideprotein
synthesis:
-Itisinvolvedinappetiteregulationandpromotesthe
intake
-Itsmetabolismisinvolvedinthecontrolofimmune
responseandbodydefences
-Tryptophanhasaroleintheregulationofanimal
behaviour
L-tryptophan in Layers and breeders feedFormulating with L-tryptophan allows to lower feed protein level and save feed costs
tryptophan fUnCtions
Commerciallayernutritionalrecommendations:
• Ratiobetweentryptophanandlysine=23%expressedas
digestible
• Ltryptophanis100%digestible
LAYER
STANDARDLAYER
TRYPTOPHANDIFFERENCE
% % %
CORN 58,450 63,500 5,050
SOYA 28,500 24,000 -4,500
CACO3 8,810 8,850
VEGETABLE OIL 1,880 1,180 -0,700
MCP 1,250 1,250
DL METHIONINE 0,140 0,170 0,030
LLYSINE 0,065 0,065
LTRYPTOPHAN 0,023 0,023
SALT 0,170 0,170
NA BICARBONATE 0,300 0,300
PREMIX 0,500 0,500
TOTAL 100 100
A.A.MINI %
AMINO ACID PROFILE AS % OF DIG. LYSINE
CRUDE PROTEIN 17,70 16,20
DIG.LYSINE 0,84 0,79 0,79
DIG.THREONINE 0,61 0,55 0,55 70%
DIG.METHIONINE 0,40 0,41
DIG. MET+CYS 0,67 0,67 0,67 85%
DIG.TRYPTO 0,18 0,18 0,18 23%
DIG.ISOLEUCINE 0,71 0,72 0,63 80%
DIG.VALINE 0,79 0,72 0,71 90%DIG.ARGININE 1,09 0,97 0,87 110%
tryptophan nUtritionaL reCoMMendations
*HylineW
36after28weeksl*inred:lim
itingaminoacids
Save up to 15 usd/ton of feed If corn/soya price difference is 350 usd/ton !!!
hoW to forMULate
