BIOCHEMICAL ANALYSES IN DOGS OF THE RACE BEAGLE .2. COMMUNICATION - THE CONTENTS OF NA, K, CA, MG, TOTAL-P, FE, CU AND ZN IN TISSUES OF DOGFETUSES AS WELL AS IN DOGS OF DIFFERENT AGE

In dog fetuses in the age of 45 and 55 days as well as in dogs in the age of one day, of 28 days, of 6 and of 18 months the content of miner als (Na, K, Ca, Mg, total-P), of Fe, of Cu and of Zn in different tiss ues (cerebrum, cerebellum, brain stem, lung, heart respectively left a nd right ventricle, liver, spleen, kidney respectively cortex and medu lla, pancreas, M. biceps femoris and M. longissimus dorsi) was analyse d. During the prenatal and postnatal development there are changes in the content of the mentioned elements in many tissues, that are necess ary for the specialisation for certain functions.