LINE BREEDING

WE bought a male dog from a lady and now want a female to breed him to from her also.
   
The father of the pup we now want is a new dog to her kennel. Unrelated in any way.
   
The Mother of this pup has the same father as our male. So they are sister and brother but with different Mothers.
   
Which makes the pup related by a Grandfather who is also the fathr of our male.
   
Also The Mother of this litter has a mother that is also related to our male so there is a line breeding on 2 sides of this pups background both on the Mothers line...but unrelated to each other as I understand it.
   
We are not sure and neither does the breeder know if this is too many lines in the MOms background that also may be in our males background to breed him to this pup.
   
However none are close up the line...all in the grand parent catagory.
   
Hope I didnt totally confuse you but what do you think?
   
How close is TOO close after Mother/ son, father /daughter, sister /brother or are those the only potentially bad breeding formulas.
   
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Unfortunately there is no good way to tell. Dogs related will have higher liklihood of generic problems.
   
In fact, breeding dogs to the same breed even causes more problems than mixed breeds.
   
But have you considered a greater issue here? We are currently euthanizing approximately 4 million dogs annually in the US simply because people think that breeding is right and enriching, its just a thing you're supposed to do right? How anyone could watch a 2 minute video of dogs being euthanized from overpopulation available all over the net and still decide to breed is sickening.
   
Watch this link to the end. This is the result of your endeavor. This is the catastrophe from everyone doing even having "just one litter."
   
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Thank you for your response.
   
But frankly i didnt asked SHOULD I breed a dog.
   
This is as they say "not my first rodeo "and I am not totally ignorant about genetics and breeding only this specific question has not been throughly anwered for me to my satisfaction yet.
   
I wanted a true professionals answer.
   
I have already read quite a bit about breeding, the color alleles, defects etc on many websites and in books for many years
   
However aside...
   
I DO agree dogs are uthanized much too often because some people dont take ownership seriously...AT ALL.,
   
I dont have to watch a terrible film to know what happens!!
   
It isnt the "breeding" that causes the problem... its the lack of commitment to a dog that is the WHOLE problem!
   
If people didnt just sell to ANYONE who wanted a pup and had more than one conversation with the potential buyers over commitment to having a dog (as in child adoption.).. BEFORE they sold to them and reiterated all the problems a puppy can give them before they buy... and this particular breed itself .... BEFORE they sold the pup ......there would be very few shelter dogs.
   
If in the contract was a clause they wanted the dog back or would help to re-home it if the person decided they couldnt keep it at some future point...then there wouldnt BE the big problem there is!
   
It erks me to hear so often ..."Only show dog people should breed ".( who also by the way SELL the show rejects they raise to buyers and usually have kennels full of dogs..and in some cases are NOT ethical people either.... BELIEVE IT!!!)
   
Seems to me a little pompous and wrong as AKC dogs get sent to the ASPCA too.
   
How many dogs have THE show people sold over their showing- breeding lifetimes?
   
Probably hundreds more than a home breeder who has one litter on a rare occasion and loves the pups and dogs not just breeds to win a trophy.!!!!
   
The people who should BREED are the responsible people
   
To me there is no excuse to give up your pet unless its your death..
   
I have told my buyers this too.
   
I have sold puppys on rare occasions before and I put all this into practice myself.
   
I also keep track of the puppys familys AFTER the sale.How they are all doing ,.
   
It just takes caring and resonsibility to keep your dogs in loving homes and out of shelters