Group 1 2 3 4 Mean 267.33 278.17 265.17 266.50 Body Weight (g) St. dev. 24.51 12.27 26.03 14.68 Mean 1.83 1.83 1.80 1.81 Brain weight (g) St. dev. 0.15 0.05 0.07 0.06 Mean 11.52 11.62 11.72 11.55 Liver weight (g) St. dev. 1.35 0.65 1.41 0.95 Mean 1.85 1.83 1.85 1.76 Paired kidney (g) St. dev. 0.14 0.10 0.16 0.16 Mean 58.47 60.82 49.62 53.78 Paired Adrenal (mg) St. dev. 5.49 4.70 8.84 6.37 Mean 3.01 2.99 2.98 2.96 Paired testis (g) St. dev. 0.29 0.17 0.14 0.16 Mean 0.55 0.56 0.53 0.49 Thymus Weight (g) St. dev. 0.09 0.11 0.11 0.04