Around 72 days, this may vary a few days depending on the size of the litter.
9 weeks
Usually about 4 days but can be as long as 6 months.
about 30 days
10 to 12 weeks
www.Youtube.com/BernieBrusselsprout about Two and one half weeks.
After 3 months
About 6 inches
If you're a guy, abiut 5 minutes...give or take...
A pig is simialr to a dog. After the babies have been weaned from their mother, about a week after, she will go into heat, and then should continue to go into heat every 21 days.
a long time
About 6 inches
It depends. If your gerbil is tired, not very long as he will go to sleep. But a young, active gerbil may run all night on its wheel!