Gestational Duration By Species
The following table shows gestational or incubation duration in days by gestational age (from last menstrual period)
Species/group | Range | On average | Reference for average range |
---|---|---|---|
Donkey | 365 | ||
Bear | 180–240 | ||
Cat | 52–69 | 63 | |
Chicken | 22 | ||
Cow | 280 | ||
Deer | 197–300 | ||
Dog | 53–71 | 63 | |
Duck | 21–35 | 28 | |
Elephant | 510–730 | 624 | |
Fox | 51–63 | ||
Goat | 136–160 | 151 | |
Groundhog | 31–32 | ||
Guinea pig | 58–75 | 68 | |
Hamster, golden | 15–17 | ||
Hippopotamus | 220–255 | 240 | |
Horse | 329–345 | 336 | |
Human | 253–303 | ||
Kangaroo | 32–39 | ||
Lion | 105–113 | 108 | |
Monkey | 139–270 | ||
Mouse | 19–31 | ||
Pig | 101–130 | 115 | |
Rabbit | 30–35 | 31 | |
Rat | 21 | ||
Sheep | 144–152 | 151 | |
Squirrel | 44 | ||
Whale | 365–547 | ||
Wolf | 60–63 |
Read more about this topic: Pregnancy (mammals)
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