標題: growth rate [打印本頁] 作者: monica 時間: 2007-11-7 21:06 標題: growth rate Similar effects were observed for feed conversion ratio (FCR); higher levels of Na resulted in improvements at 7 day with no lingering effect at 14 day and 35 day of age. It can be concluded that feeding higher than normal Na level in diets fed from 0 to 7 day of age may result in increase in BW and feed conversion but this effect does not persist to 35 day.