Ventilation and ventilation have not been a problem in the past with traditional free-range chickens. However, it is important for the whole house to be reared, especially for raising chicken coops. Its main purposes are: (1) Provide oxygen to the house to provide enough fresh air to meet the chicken's need for oxygen. (2) Adjust the temperature and adjust the internal temperature to ensure that before, after, day and night. Even at the same temperature, the chicken is provided with a temperature suitable for its growth and reproduction. (3) Maintain the stable temperature, humidity, and wind speed of the house, maintain the stability of the home environment, and avoid large fluctuations in natural climate. (4) Dust and moisture in the drained chicken house, reducing harmful gas in the house Another important function of amino acids is to provide energy to the human body. Normally, a healthy body on a general diet will use carbohydrates as its main fuel, but when the main source is depleted due to strenuous exercise, protein and amino acids can be used as a last resort. Amino acids also play an important role in food taste. Protein doesn't have much taste, but each amino acid has its own taste, and combining them is one of the important factors that define the taste of food Amino Acid,Asn Amino Acid,Leucine Powder,Food Grade L-Tryptophan YT(Xi'an) Biochem Co., Ltd. , https://www.ytherblife.com