From: Ultrastructural changes in oocytes during folliculogenesis in domestic mammals
Species | Maximum number of germ cells(Day of gestation) | Number of germ cells close after birth(Day after birth) |
---|---|---|
Calf [20] | 2,700,000 (110) | 68,000 (13 days after birth) |
Pig [21] | 1,100,000 (50) | 500,000 (at birth) |
Buffalo [22] | 23,540 (210) | 20,000 (at birth) |
Rat [23] | 75,000 (18) | 27,000 (2 days after birth) |
Human [24] | 6,800,000 (150) | 2,000,000 (at birth) |