21 days
a couple of months and then they become more indipendent
10wks
The word "incubation" directly refers to the time an egg needs to be kept warm before it hatches. Since cows do not lay eggs, they do not have an incubation period. They have what is called a "gestation" period. This gestation period is generally 285 days long.
1-4 Days
98 monthes
It needs to be incubated (or sat on until able to hatch) for approximately 27 to 30 days.
A bengal tiger cub stays with their mother for about 1 year or less. They don't have an incubation period.
Emu eggs take around 56 days (8 weeks) to incubate.
4 - 8 weeks
6 months
It takes about 11 months.
10-20 years