recommended standard exerts beneficial effects on the defence reactions, growth
performance and nutrient utilization in Ascaridia galli-infected chickens. Therefore, 1-day-old
female Lohmann Selected Leghorn chickens were at first fed standard Lys diet (8.5 g Lys/kg
DM). At 4 weeks of age, the birds were allocated to groups 1 and 3, both being continued on
standard Lys diet, whereas birds in groups 2 and 4 were switched to extra Lys diet (10.5 g …