The mortality rate was 15.5% for ducks fed the diet with no supplementation of riboflavin compared with 0 to 1.6% for those fed the diets supplemented with riboflavin.
The mortality rate was 15.5% for ducks fed the diet with no supplementation of riboflavin compared with 0 to 1.6% for those fed the diets supplemented with riboflavin.