brother to sister breeding

[BULL 96]

Breeding for pheno type is easier to comprehend but geno type is a different ball game as it takes as stated a long time to test a litter, decide which has made the grade etc , and in reality most people who are breeding a line of WORKING dogs usually inbreed line breed due to there working ability so there hedging there bets there going to get a worker not a turd .

With breeding working dogs it's a gamble,

Would I do a full sister brother mating , well I would if both were what I wanted and there was nothing else about in the line .

[Cookie423 21]

Had an accident with a lab and one of the pups had an undershot jaw. Also used to have loads of cats on the farm breeding with each other one of the litters had a couple of dwarf cats! Could of probably made some money out of them!

[birddog 1,354]

i don't disagree with it totally and it's easy enough to cull when defects are obvious ie obvious deformities, cleft palettes etc but it's a tougher call when the fault isn't immediately recognised like i posted earlier hip problems or any mental abnormalities or quirks. i've had some cracking worker to related worker bred dogs and also some good 1st and 2nd cross ones. my question is does the benefits of concentrating good qualities by in / line breeding outweigh the benefits of hybrid vigour?

[BULL 96]

Bird that's a good call , but if we are talking about a lurcher or any other non pure blood dog or x surly it would have had it's in flux of hybrid vigour already but I do agree if you had a very tight line of dogs generation after generation I'm sure an out cross to a similar type that's carefully chosen would be needed for another dose of hybrid vigour,

[riohog 5,701]

my understanding is you only get hybrid vigour at the first x. if atall as all dogs are the genus canine how do you produce a hybrid from 2 of the same species?

 

 

[Peter4190 85]

It can be a big disaster u can and do get all sorts of problems with the pups, and it's f****n wrong

[birddog 1,354]

race horse breeders have bred 2 tightly inbred lines together to get an element of hybrid vigour, i've also heard the same thing happens in greyhounds. a collie comes from years and years if not centuries of breeding one way and a greyhound similarily from years of another way, both dogs, both canines but breed them together.......hybrid vigour

[riohog 5,701]

It can be a big disaster u can and do get all sorts of problems with the pups, and it's f****n wrong

no its not wrong . it happens regulally with little to no affect on the offspring .

[riohog 5,701]

race horse breeders have bred 2 tightly inbred lines together to get an element of hybrid vigour, i've also heard the same thing happens in greyhounds. a collie comes from years and years if not centuries of breeding one way and a greyhound similarily from years of another way, both dogs, both canines but breed them together.......hybrid vigour

who told you that? and prove its hybrid vigour?

[birddog 1,354]

It can be a big disaster u can and do get all sorts of problems with the pups, and it's f****n wrong

it's how strains and even different breeds have evolved, father to daughter and mother to son are i believe even more popular

[BULL 96]

Ye rio that's my understanding to but I've seen very tightly bred dogs that became very dull and smaller than there previous grand sires and after an out cross much better standard of dog , maybe it wasn't so much huybred vigour but a renewed vigour could of just simply been the out cross was a better type and threw better pups it's all a mystery to me but an interesting mystery all the same.

Edited February 15, 2012 by BULL

[riohog 5,701]

Ye rio that's my understanding to but I've seen very tightly bred dogs that became very dull and smaller than there previous grand sires and after an out cross much better standard of dog , maybe it wasn't so much huybred vigour but a renewed vigour could of just simply been the out cross was a better type and threw better pups it's all a mystery to me but an interesting mystery all the same.

you are correct my friend outcross !! different type!!!

[birddog 1,354]

hybrid according to wikipedia....an offspring resulting from cross breeding. heterosis or hybrid vigour.....the improved or increased function of any biological quality in a hybrid offspring............heterosis....is the occurence of superior offspring from mixing the genetic contributions of its parents

[riohog 5,701]

http://home.comcast.net/~NoPuppyMillsVA/Poo-dogs___Designer_Mutts/Hybrid_Vigor/hybrid_vigor.html

[riohog 5,701]

line bred x line bred common knowledge can produce the golden x but not allways and not garanteed to repeat itself in future generations ... if only it was that easy!!!