Copulation is a word for sex: specifically, the penis going into the vagina kind of sex. Copulation is an even more scientific way of saying sexual intercourse.. You can use this word to describe the sexual practices of both humans and animals. Zoologists need to make sure there is copulation among endangered animals such as pandas.
This article will answer most common dog pregnancy questions and what to expect when your dog is expecting. How long do dogs stay pregnant? Most mature female dogs will go into heat every 6 months, but it is common for them to skip a cycle. The heat cycle itself will last approximately 3 weeks. It is best to wait until after your dog is two years old before you breed them so their body can fully develop before they bare puppies.
How long does a \heat\ cycle or estrus last? Heat cycles vary but average two to three weeks for most dogs. There are two methods to prevent estrus, or heat, in a female dog: There is currently a tremendous amount of research being conducted in this area.