Effect Of Using Rations Differing In Energy And Protein Levels On The Performance Of Pekin Ducks

The Present work aimes to Study the effect of variation in the proteion in the protein and energy contents of diets of pekin ducklings on the following points: The growth rate and feed conversion. meat produotion such as slaughter characteristics, dressing percentage, and carcass quality. Blood serum constituents Economical meat efficiency.