The requirement for VD3 of Chinese yellow-feathered broilers (Ministry of Agriculture, PRC, 2004) is 1,000 IU/kg, although this is based on very few studies.
The requirement for VD3 of Chineseyellow-feathered broilers (Ministry of Agriculture,PRC, 2004) is 1,000 IU/kg, although this is based onvery few studies.