A study was conducted to evaluate the effect of fresh garlic supplement on the growth performance of Noi chicken in 6-13 weeks old period. It was a completely randomized design with 5 treatments corresponding to 5 fresh garlic supplement levels and 4 replications with 10 birds per experimental unit. The treatments were the different fresh garlic supplement levels of 0, 1, 2, 3 and 4 % (weight of water) to mix in water. Corresponding to the G0, G1, G2, G3 and G4 treatments. The results showed that the daily intakes of DM, OM, CP and EE were significantly higher (P

It was concluded that fresh garlic supplementation in the drinking water at a level of from 3 to 4 % fresh garlic improved growth performance for growing Noi chicken production. It showed that fresh garlic made quantification of triglycerid and quantification of total cholesterol in chicken blood decrease. Females had better levels of triglycerides and cholesterol in the blood than males in the same experiment.