Group 1 Group 2 Group 3 Group 4 Group 5 Group 6 Body Mean 179.38 171.75 164.75 168.00 166.13 170.13 Weight (g) St. dev. 19.65 12.78 7.70 9.70 9.06 11.52 Liver Mean 7.37 7.67 8.16 8.20 7.99 8.21 (g) St. dev. 0.98 0.91 0.75 0.51 0.66 0.45 R kidney Mean 0.66 0.65 0.63 0.60 0.64 0.65 (g) St. dev. 0.07 0.03 0.05 0.03 0.04 0.05 L kidney Mean 0.65 0.60 0.61 0.58 0.63 0.63 (g) St. dev. 0.06 0.02 0.05 0.04 0.07 0.06 R. adrenal Mean 31.46 31.25 31.05 31.18 35.11 32.64 (mg) St. dev. 4.11 8.15 3.98 3.28 10.55 4.57 L adrenal Mean 33.25 34.20 31.13 35.38 36.68 34.57 (mg) St. dev. 5.54 12.05 4.32 5.95 9.04 3.49 Spleen Mean 0.42 0.42 0.41 0.41 0.42 0.40 (g) St. dev. 0.03 0.07 0.08 0.05 0.05 0.04 Thymus Mean 0.47 0.45 0.35* 0.33* 0.38* 0.38* (g) St. dev. 0.08 0.06 0.02 0.02 0.06 0.07 Thyroid Mean 11.60 12.83 18.50* 18.46* 13.99* 15.14* (mg) St. dev. 2.70 3.13 8.35 5.44 2.03 3.80 R ovary Mean 0.05 0.05 0.05 0.04 0.06 0.05 (g) St. dev. 0.01 0.02 0.01 0.01 0.03 0.01 L ovary Mean 0.05 0.05 0.05 0.05 0.06 0.05 (g) St. dev. 0.01 0.01 0.01 0.01 0.03 0.01 Uterus Mean 0.40 0.41 0.36 0.39 0.35 0.36 (g) St. dev. 0.10 0.15 0.14 0.12 0.17 0.10 Heart Mean 0.60 0.60 0.55 0.57 0.56 0.59 (g) St. dev. 0.04 0.07 0.04 0.03 0.05 0.04 Brain Mean 1.71 1.68 1.72 1.71 1.71 1.72 (g) St. dev. 0.08 0.05 0.05 0.03 0.09 0.03 *Significantly different from control (group 1), P<0.05