| Popis: |
The optimal amount of protein is necessary for intensive growth. Protein malnutrition is one of the leading causes of poor growth and increased care of birds. However, excessive feeding of poultry with protein is impractical because the protein, in this case, is not fully used and harms the body, delaying its development. The lack and the excess of amino acids are harmful to a bird. Due to the imbalance of amino acids consumed with food, about 30 % of their amount is not used by the body for protein synthesis and is lost converted into energy. When normalizing the amino acid needs of poultry, it is necessary to consider the interaction of amino acids in the body with vitamins, micro-minerals, energy levels in feed. The article presents a study of the effect of the biologically active additive Activio, a selected combination of natural standardized active substances isolated from aromatic herbs and spices concentrated in one microencapsulated particle on the amino acid composition of Peking duck meat and cherry valley cross. It was found that the use of Activio supplement in the ducks feeding has a positive effect on the digestibility of amino acids. |
