Temperature (8C) 27 33 36 39
Measured temperature (8C) 26.98F0.04 33.16F0.13 35.36F0.32 38.86F0.05
Mean body weightinitial (g) 4.23F0.13 5.06F0.19 4.49F0.12 5.69F0.17
Mean body weightfinal (g) 13.11bF0.45 22.47aF1.71 20.09aF1.76 10.33cF0.14
Survival (%) 98.33F1.67 96.67F1.67 98.33F1.67 95.00F2.89
Feed intake (gd day1) 5.58bF0.14 10.48aF0.50 9.74aF0.99 4.32bF0.08
SGR (%d day1) 5.38bF0.19 7.10aF0.07 7.11aF0.42 2.84cF0.09
FER (gd g1) 1.41aF0.05 1.46aF0.01 1.46aF0.02 0.86bF0.04
PER (gd g1) 2.80aF0.09 2.91aF0.02 2.82aF0.05 1.72bF0.08
Means with similar superscripts were not significantly different ( P b0.05, n =3).