Effects of Tryptophan Supplementation in Diets with Different Protein Levels on the Production Performance of Broilers
Kailai Xie,
Xiajie Feng,
Shuqing Zhu
et al.
Abstract:Tryptophan plays an important role in the pig industry but has the potential to improve performance in the poultry industry. The purpose of this study was to examine the effects of tryptophan supplementation in diets with different protein levels on the feed intake, average daily gain (ADG), and feed conversion ratio (F/G) of broilers. A total of 180 twenty-one-day-old broilers (half male and half female) were weighed and randomly allocated to twelve groups, with six male and six female groups. Each group cons… Show more
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