[Biochemical analyses in dogs of the beagle breed. 1. The content of DNA, RNA and protein in 13 tissues in ages from one day to 18 months].

: In dogs of the race "beagle" in the age of one day, of 28 days as well as in that of 6 and 18 months the content of DNA, RNA and protein in 13 tissues was analysed. The wet weight:DNA-, the protein:DNA- and the RNA:DNA-ratios were calculated. The growth of the various tissues by hyperplasia and hypertrophy is described.