Changes in blood components and organ weights in growing White Leghorn chicks.

The changes in the body weight and organ weight of growing White Leghorn chicks were studied during the first 20 weeks of life. Changes in plasma components were simultaneously examined. The body weight and the weight of the liver, brain, heart, pancreas, kidneys, adrenals, thyroid glands, the intestinal weight and length, the length of the femur and tibia and the GOT levels increased with age. ALP levels decreased with age. There were no age-related changes in total cholesterol, uric acid, ACP, hemoglobin and hematocrit levels.