Lysine:metabolizable energy ratio in diets of growing and finishing pigs

A. Sitko

Experiment was conducted to determine the optimal lysine:metabolizable energy ratio to maximize growth performance of growing and finishing pigs. The results of this study indicate that average body weight gain and body weight were higher in diets with high lysine:energy ratio. Feed intake was also lower in diets with high lysine density. Our results suggest lysine:metabolizable energy ratio in diets of growing pigs from 23 to 50 kg and from 50 to 70 kg of body weight should be at least 0,80 and 0,71 g/MJ respectively. Lysine:metabolizable energy ratio in diets of finishing pigs from 70 to 99 kg of body weight should be at least 0,60 g/MJ.

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