Age of animals Seminiferous cords and / or tubules Interstitial Tissue  Neonatal animals  (5 days) 12.76 ± 1.6 87.24 ±1.6 Early suckling animals (2 months) 32.68 ± 3.0 67.31 ±2.2 Late suckling animals (6 & 9 months) 42.25 ± 4.4 57.75±4.4 Premature animals (1.5 years) 77.97 ± 1.8 23.65±3.1 Mature animals (2-3 years) 78.42 ± 0.5 21.56 ± 0.5

Values are represented by means ± standard deviation (SD)

Table 3: Volume percentages of seminiferous cords and / or tubules and interstitial tissue in the postnatal testes of donkeys.