Figure 5

Diagrammatic representations of the changes in serum testosterone (ng/ml) and intra-testicular testosterone concentrations (ng/mg of testicular tissue) following surgical castration as well as single bilateral intra-testicular injection of 0.25 ml 5% or 10% or 20% sterile analytical grade of calcium chloride solution containing 1% lignocaine hydrochloride in different time points (after 30 or 45 or 60 days) in mature male cats.