cavapoo puppy

What does f1 mean for dogs and what do breeders mean by f1b and f2?

These are symbols depicting the different generations and parents used to produce these puppies.

cavadoodle puppy

F1

F1 is a symbol given to the first generation offspring that result from mating a Cavalier King Charles Spaniel to either a Toy or Miniature Poodle. Both parents are purebreds. The resulting puppies are called hybrids or cross breeds.

F2

F2 is allocated to a puppy when two F1 adult dogs are mated together. So both parents are Cavapoos.

F1b

A F1b puppy is the result of one of the parents being an F1 adult dog (Cavapoo) and the other parent being either a Cavalier King Charles Spaniel or a Poodle. Most of the time the second parent is a poodle.

Hopefully, the diagram below will help you to see the differences.

what does f1 mean for dogs

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  1. I like the helpful information you provide in your articles.
    I will bookmark your weblog and check again here regularly.
    I am quite sure I’ll learn many new stuff right here!
    Best of luck for the next!

    1. If you mate two F1 Cavapoos then the offspring will be classified as F2 so your female Cavapoo is an F2.
      If you breed her to a purebred Cavalier then the resulting puppies will be F2b.

  2. I have a F1b Cavapoo but she is 75% KCCS and 25% Toy poodle. Momma was pure King Charles ans Dad is a F1 Cavapoo. I am thinking about breeding her once but unsure what her pups would be if I bred her to my girlfriend pure bred Yorkers. Do people want that mix?

    1. Hi There,

      I cannot tell you if people would want that mix :))
      It is definitely not a recognized cross breed because a cross breed is between 2 pure bred dogs. (Like your dog is now)
      If you mate her to a Yorkie then the resulting puppies will just be adorable mutts.
      To be honest, I would not do that.
      May I suggest that you rather find a poodle to mate her with?

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