Days Group I Group II Group III
0 1.031 ± 0.014 1.013 ± 0.028 1.005 ± 0.019
30 1.235 ± 0.010 0.962 ± 0.009 1.125 ± 0.009
60 1.847 ± 0.004 1.275 ± 0.013 1.537 ± 0.006
90 1.647 ± 0.003 1.101 ± 0.016 1.475 ± 0.008
Mean ± SE 1.440a ± 0.186 1.088c  ± 0.068 1.285b  ± 0.130
Means bearing different superscripts differ significantly (P<0.01)
Table 3: Effect of Zn supplementation to Pb exposed goat kids on lymphocyte proliferation.