Most dogs at about 7 or 8 aren't used by breeders for health reasons, but some dogs are still fertile at that age.
If you're going to breed the dog then make sure she's very healthy and will be able to cope with the puppies. There are a lot of health concerns that develop with older pregnant dogs, and definitely do NOT breed her if it is her first litter.
A mother dog may move one puppy to a different location for various reasons, such as to protect it from danger, to provide better care or warmth, or to address a health issue.
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A puppy could be missing from the litter after two weeks if it has died. The mother dog will take the puppy away from the others.
You should stop feeding your dog puppy food when it reaches about 1 year. A typical puppy will reach adult size when its about 8-12 months.
A puppy is a young dog, usually a dog is considered a puppy until around 1 year. A adult dog is a fully grown dog.
The best time would be when your puppy is about 4 or 5 weeks old, or until the puppy is old enough to be away from its mother.
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Dogs live to be many ages but any dog is considered a "puppy" until 3yrs old.
why would a weenie dog attack a bull mastiff puppy for
A dog is a puppy until it reaches one year of age.
puppy
Yes, mother dogs do love their puppies, and will become upset if a puppy dies.