Abstract
Some researches inform on trimetilglycine positive effect on poultry growth and meat quality in heat stress conditions. However little attention is paid to amino acid content changes in muscles. “BetaFeed” BAA (betaine) with 32% of trimetilglycine has been introduced to broiler diet to study trimetiglycine effect on broiler meat amino acid composition and taste qualities. 50% of methionine has been replaced with betaine in 2 experimental group and 50% methionine and 50% choline chloride has been replaced in 3 group. The best result has been reached in complex trait (index of broiler growing) for 3 experimental group when replacing 50% methionine and 50% choline chloride with betaine. Difference with control is 76 units. However difference between control groups is little – 7 units only. Difference between experimental and control groups in essential amino acids quantity is 0.58 to 0.70%. Analogic results have been received for non-essential amino acids.
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