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"Elephant the longest Mammal Pregnant"
How long does an elephant cow's menstrual cycle last?
--> An elephant estrogen cycle lasts 3-4 months. Thus an elephant cow is only ready to be covered by the bull about 3 to 4 times per year.
This is not very often and makes it all the more difficult to successfully breed elephants in zoos.
Are there any outward signs?
--> An elephant cow shows no outward signs indicating that she is in heat. That is why it is important that the elephant cow and the elephant bull can meet freely for a few hours daily.
How long does pregnancy last?
If copulation is successful, then the pregnancy lasts for around 22 months.
This is one of the longest gestation periods in the animal kingdom. (The blue whale, for example, has a gestation period of around 1 year.)
Why does pregnancy last so long?
--> It is probably the elephant's enormous size and slow development that make this relatively long gestation period necessary.
In this period an elephant calf develops to its full weight at birth of around 100 to 150 kg.
"Elephant the longest Mammal Pregnant"
How long does an elephant cow's menstrual cycle last?
--> An elephant estrogen cycle lasts 3-4 months. Thus an elephant cow is only ready to be covered by the bull about 3 to 4 times per year.
This is not very often and makes it all the more difficult to successfully breed elephants in zoos.
Are there any outward signs?
--> An elephant cow shows no outward signs indicating that she is in heat. That is why it is important that the elephant cow and the elephant bull can meet freely for a few hours daily.
Video of Elephant in the womb,Source:David Barlow
How long does pregnancy last?
If copulation is successful, then the pregnancy lasts for around 22 months.
This is one of the longest gestation periods in the animal kingdom. (The blue whale, for example, has a gestation period of around 1 year.)
Why does pregnancy last so long?
--> It is probably the elephant's enormous size and slow development that make this relatively long gestation period necessary.
In this period an elephant calf develops to its full weight at birth of around 100 to 150 kg.
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