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 …

Albumen quality is recognized as one of the major yardsticks in measuring egg quality. The
elasticity of thick albumen, a strong bond in the ovomucin-lysozyme complex, and excellent …

The periparturient period is one of the most challenging periods in dairy cows and
encompasses the 3 wk prior to and 3 wk after parturition. The nutrient requirements of dairy …

This study was designed to evaluate the effect of dietary Ser on performance, egg quality,
serum indices, and ileal mucosal immunity in laying hens fed low crude protein (LCP) …

Due to the demand for modern goose production and the pressure of environmental
protection, the rearing systems of geese are changing from traditional waterside rearing to …

This study investigated the effects of the dietary threonine (Thr) levels on the performance,
offspring traits, embryo amino acid transportation, and protein deposition in breeder hens of …

Our previous study indicated that dietary xylooligosaccharide (XOS) supplementation
improved feed efficiency, ileal morphology, and nutrient digestibility in laying hens. The …

The present study was carried out to investigate the effects of methionine (Met), lysine (Lys),
isoleucine (Ile), and threonine (Thr) deficiency in a low-protein diet on laying performance …

An experimental study was conducted to examine the effects of adding serine-protease from
Bacillus licheniformis on performance and physiological parameters of broiler chickens …

Abstract Background Arginine (Arg) is an essential amino acid (EAA) in poultry, an important
substrate for protein synthesis and a precursor of several molecules. Supplementation of …