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After 3 months
17 months
About 63 days
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 female koala is pregnant for 33 to 35 days before giving birth.
Look for that sign about a week before farrowing. See link below.
she doesn't give birth - she lays eggs. :o)
It is recommended that you wait at least three to 6 months after birth to breed the ewe again.
Not sure what you are referring to here, whether you are referring to the vulva swelling and the tail-head sinking or what. But typically, this occurs around 24 hours prior to giving birth, and is a sure sign that she is going to give birth within a day or so.
pigs are pregnant with usually 7 pigs, they are pregnant for 7 months before giving birth
Not always but quite often. Like most mammals bearing live young, giving birth is a painful process for the mother and often is accompanied by at least some bleeding. Often long before the babies are actually born, contractions and the movement of the babies along the birth canal can push out blood and mucus first.
You can start giving Heartgard after your puppy reaches 6 weeks of age.