Bitches should not be bred until at least their second heat to allow them to mature. Their first whelping should be before 4-5 years of age or they are at higher risk of having whelping problems. Average length of the heat cycle is 21 days: 7 coming in, seven in (the actual breeding period), and 7 going out.
How soon after a litter can a dog get pregnant?
Exactly how long it takes for a female dog to become pregnant after giving birth depends on different factors. This includes how long their estrus stage takes. A dog's ability to become pregnant 4 months after giving birth is an approximation, but it works as a general guide.
How often is it safe for a dog to have puppies?
A best practice is 4-6 litters per dog Most reputable breeders will cap even their fittest, best mothers at around 4-6 litters so that she can be spayed while she is still young and at her healthiest.
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