Figure 3.
Effect of guanidinoacetic acid (GAA) supplementation on serum corticosterone in male broilers subjected to chronic cyclic heat stress in the finisher phase on day 26 (P = 0.050) and day 39 (P = 0.192). Box and with median, 25th and 75th percentiles, and whiskers extending from the upper and lower edge of the box, which represents the interquartile (IQ) range, to the highest and lowest values that are no more than 1.5 times the IQ range; + denotes mean. CON, GAA0.6, and GAA1.2 with dietary GAA at a dose of 0, 0.6, and 1.2 g/kg, respectively. Values are from 12 replicate chickens.