With the growing global demand for animal protein and rising temperatures caused by
climate change, heat stress (HS) is one of the main emerging environmental challenges for …

The main aim of this review is to consolidate the relevant published data examining amino
acid requirements of layer hens and to reach a new set of recommendation based on these …

Commercial poultry production is associated with various stresses responsible for
decreasing productive and reproductive performance of growing chicks, breeders and …

The present research evaluated the effects of dietary tryptophan (Trp) on growth
performance, intestinal mucosal immune, barrier function and antioxidant capacity and gene …

Many studies have shown that productivity, immune system, antioxidant status, and meat
and egg quality can be optimized by dietary supplementation with amino acids that are not …

Simple Summary In the past, many studies have been carried out to investigate the effect of
dietary valine supplementation on laying hens' production performance and egg quality …

Commercial poultry production is associated with various types of stress leading to decrease
of productive and reproductive performance and compromised health of growing chickens …

Background Ammonia is a well-known toxicant both existing in atmospheric and aquatic
system. So far, most studies of ammonia toxicity focused on mammals or aquatic animals …

The 56-day feeding trial was carried out to investigate the effects of dietary tryptophan (Trp)
on growth performance, digestive and absorptive enzyme activities, intestinal antioxidant …

Background This study was conducted to investigate the optimum dietary level of tryptophan
(Trp) supplementation at which broiler chickens have better growth with efficient immune …