Yumin Bao

I. INTRODUCTIONMannan is a plant based-NSP derived from polymerisation of mannose sugars, it is categorised as galactomannan or glucomannan based on the presence of galactose and glucose side chains (Aspinall, 1973). Generally, galactomannan is the dominant form in legumes (Sundu et al., 2012). The ratio between mannose to galactose dictates the water solubility of galactomannan where galactose ha ...

INTRODUCTIONMethionine (Met) is often considered to be the first limiting amino acid in modern broiler diets. Synthetic Met has been commercially available for animal feed since the 1950s and is routinely included in modern poultry diets. Whilst studies on Met requirements, based on growth performance parameters are not novel, understanding the impact of dietary Met supplementations on apparent di ...

I. INTRODUCTIONThere is considerable interest in the development of low protein diets balanced with supplemental amino acids for broiler chickens due to economic, environmental and bird welfare advantages (Moss et al., 2018). However, under commercial feeding conditions, chickens are exposed to various challenges of infectious and non-infectious origin. For challenges of infectious origin, even wi ...