The experiment concerned 117 rabbits of the White New Zealand breed. Y
oung rabbits were feed only by their mother's milk, older - by a homog
eneous industrial mix with a constant access to water. The animals wer
e divided into 10 age groups: 0, 7, 14, 21, 42, 49, 56, 63, 70 and 84
days. After slaughter the slices of liver, kidney and muscle as well a
s blood were taken from all the animals. A decrease of the cholesterol
level was observed in all rabbit groups in relation to new born anima
ls. Total lipids and triglycerides revealed multi-directional reaction
s.