Table 2.

Effect of Met deficiency on weight and relative weight of the bursa of Fabricius.

Item	Groups	7 days	14 days	21 days	28 days	35 days	42 days
Weight of bursae (g)	Control group	0.19 ± 0.02	0.58 ± 0.05	1.41 ± 0.16	1.88 ± 0.14	2.84 ± 0.42	3.90 ± 0.46
	Met deficiency	019 ± 0.02	0.53 ± 0.05	1.05 ± 0.11 *	1.12 ± 0.24 **	1.29 ± 0.28 **	2.17 ± 0.43 **
Relative weight of bursae (g/kg)	Control group	1.57 ± 0.01	1.69 ± 0.01	2.08 ± 0.01	1.79 ± 0.01	1.87 ± 0.01	1.93 ± 0.01
	Met deficiency	1.50 ± 0.02	1.56 ± 0.01	1.69 ± 0.01 **	1.40 ± 0.01 **	1.53 ± 0.01 **	1.38 ± 0.01 **

Data are the means ± standard deviation (n = 5); * P < 0.05, compared with the control group, ** P < 0.01, compared with the control group; Data were analyzed by Independent-Samples T test using SPSS 11.0 software.