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by northwoodsGSD on 17 March 2014 - 03:03
I've asked this elsewhere, but as of yet has anyone replied.
Wonder if most breeders/stud dog owners even concern themselves with this.....
I'm curious how many stud dog owners and/or breeders keep track of things like undescended testicles in their dogs progeny?
Do you know the percentage of progeny affected?
Wonder if most breeders/stud dog owners even concern themselves with this.....
I'm curious how many stud dog owners and/or breeders keep track of things like undescended testicles in their dogs progeny?
Do you know the percentage of progeny affected?
by Smiley on 17 March 2014 - 16:03
I don't know...but great question! But, in my presonal experience, breeders suddenly stick their heads in the sand whenever anyone tries to determine the genetics of faults rather than openly sharing information.
by Jenni78 on 17 March 2014 - 16:03
I named the only 2 I'm aware of being commonly associated with the issue, and I'd sure breed on either of them for the positive attributes they bring to the table, but I'd be extra diligent in checking up on those things.
Some people don't follow up w/their pups at all, some like to corner the market by requiring spay/neuter so they never know...etc.
Some people don't follow up w/their pups at all, some like to corner the market by requiring spay/neuter so they never know...etc.
by dragonfry on 17 March 2014 - 17:03
I presonally only check for fully developed overies. Testicles are way over rated.
Fry
Fry
by northwoodsGSD on 17 March 2014 - 23:03
Fry, Thanks for the chuckle :)
Jenni,
Yes thanks for that. I agree that one needs to look at the big picture & not just one element.
Jenni,
Yes thanks for that. I agree that one needs to look at the big picture & not just one element.
by melba on 18 March 2014 - 00:03
Knowing that it is associated with Titus Ill say this. My male is line bred on Titus, has both his decended and thus far has never produced it, knock on wood.
Melissa
Melissa
by laura271 on 18 March 2014 - 14:03
I was curious so I did a very quick search of the journal literature to see if the percentage of cryptorchidism in GSDs has been reported. Articles on cryptorchidism in dogs tend to cite two studies when researchers state that the risk for cryptorchidism varies among dog breeds; both studies included GSDs.
Amann, R.P., Veeramachaneni, D.N.R., 2007. Cryptorchidism in common eutherian mammals. Reproduction 133, 541–561.
http://www.ncbi.nlm.nih.gov/pubmed/17379650
To get a baseline- this article provides a table that outlines the prevalence of cryptorchidism and the nature of dysgenesis (percentages unilateral versus bilateral) by species (cat, dog, cattle, deer, etc.). For dogs, the prevalence of cryptorchidism is 1 to 11% (p. 558).
Pendergrass TW & Hayes HM Jr. 1975. Cryptorchidism and related defects in dogs: epidemiologic comparisons with man. Teratology 12: 51–56.
http://onlinelibrary.wiley.com/doi/10.1002/tera.1420120107/abstract
116 cases of cryptorchism in GSDs out of 1266 cases (all breeds reported). p. 52
Yates D, Hayes G, Heffernan M & Beynon R. 2003. Incidence of cryptorchidism in dogs and cats. Veterinary Record 152: 502–504.
http://veterinaryrecord.bmj.com/content/152/16/502.abstract
I don't have full-text access to this study so I can't give the result for GSDs. Perhaps someone who has access to this article can post here.
Amann, R.P., Veeramachaneni, D.N.R., 2007. Cryptorchidism in common eutherian mammals. Reproduction 133, 541–561.
http://www.ncbi.nlm.nih.gov/pubmed/17379650
To get a baseline- this article provides a table that outlines the prevalence of cryptorchidism and the nature of dysgenesis (percentages unilateral versus bilateral) by species (cat, dog, cattle, deer, etc.). For dogs, the prevalence of cryptorchidism is 1 to 11% (p. 558).
Pendergrass TW & Hayes HM Jr. 1975. Cryptorchidism and related defects in dogs: epidemiologic comparisons with man. Teratology 12: 51–56.
http://onlinelibrary.wiley.com/doi/10.1002/tera.1420120107/abstract
116 cases of cryptorchism in GSDs out of 1266 cases (all breeds reported). p. 52
Yates D, Hayes G, Heffernan M & Beynon R. 2003. Incidence of cryptorchidism in dogs and cats. Veterinary Record 152: 502–504.
http://veterinaryrecord.bmj.com/content/152/16/502.abstract
I don't have full-text access to this study so I can't give the result for GSDs. Perhaps someone who has access to this article can post here.
by vtgsd on 18 March 2014 - 20:03
I don't know what "most" do but I DO keep records of everything and the percentages as well. Stillborn pups, health status throughout the progeny's life, any ailment no matter how minute, testicles, ears (if not erect), conformation faults (if any), teeth, overall temperament, hips/elbow status, diets, vaccinations, what the progeny were intended for and what they ended up doing, etc.
I also keep a chart on each dog that we have owned and notable traits and faults as well as any odd behavior if any....
Also, I keep charts on dogs that I have first hand knowledge on for future reference.
I also keep a chart on each dog that we have owned and notable traits and faults as well as any odd behavior if any....
Also, I keep charts on dogs that I have first hand knowledge on for future reference.
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