What it takes to be a good dog breeder

Question
Hi, thanks for replying I apprecate your help, I was wondering   what exactly you ment by they will fight each other...will they jsut be bickersome with one another sort of in a bad mood or full out fight? If I have only one full (intack) female with a intack male and my spayed female...would the spayed female get attacked during the other females cycle?
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The text above is a follow-up to ...

-----Question-----
Hi Lisa,  

I have always wanted to breed dogs ever since I was 4 or 5 years old I am seriusly intrested in becoming a Boston Terrier Breeder in the near future, I am getting the my second Boston (first was altered and is a pet) this summer from a repitable breeder but she doesnt register her puppies which is fine with me because I would never be intrested in showing dogs anyways. I do plan to have this boston studed when shes of good age by a unregistered boston male....I wont likely be able to find someone willing to breed a registered male to an un registered female.  I was wondering from your experiance just what being a dog breeder intitles? I relize I'd have one to three more dogs (thats as many as I think I could honestly afford to keep properly). I am very dedicated to the well being and proper loving care and treatment of dogs and know in my heart I would make a great breeder because I would be careful to whom my puppies are going and offer endless support because they were once *My puppies. All I have ever wanted to do in life is breed dogs and sell puppies nothing more because this is just how much I love dogs. I was wondering what its like to own intack dogs and having them indoors, what its like with a new little of puppies, just what it takes to be a good breeder. Greatly apprecate your advice.
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Hi and thank you for your serious concerns about breeding and giving it a lot of thought, not many people do.
Firts and foremost...do not think breeding dogs as a way to make lots of money. At best after expences you MAY break even. The only difference in breeding papered dogs really, is the price of the pups. There are many papers to go by, AKC being the most expensive, followed by World Wide Pet Club, and American Pet Club. Dogs without papers sell for much less. People don't neccessarily register their dogs JUST for show, registered dogs cost more and is therefore indicative of a breeder that will spend and do the best to have good quality pups with health garantees.
If you plan to have a few females, please remember that during estrous they will fight each other. Bostons also have a tendancy to requiring costly C-Sections for birthing. If the line isn't pure, they can also have litters with cleft palates. Registered dogs offer a better hope for having a pure line. You shouldn't have trouble finding a male for breeding, registered or not, as long as you pay the fee for the studding.
It sounds like you are trying to get your ducks in a row so you can ask me from time to time to help you along the way.
Best of luck to you...Lisa

Answer
No, a spayed female will not fight, but 2 unspayed females will. I knew of a case where 2 females jumped another female and mangled both of her back legs. It is the pecking order fight and usually noes not entail much more than bickering but then again you never know when the fight can become dangerous. It is always best to keep a female in heat separate from another female until it has run its course.