Related to Vizsla research shared by George Noren.
A brief synopsis of the significant findings in the analysis of Mast Cell Cancer occurrence in the Vizsla.
Mast Cell Cancer occurrence is significantly higher in the spay / neuter Vizsla when compared to the non spay/ neuter Vizsla.
The hazard of having Mast Cell cancer increased by 79.5% when the Vizsla was spayed or neutered compared to those dogs who were not altered
Mast Cell Cancer when it occurs in the non-altered Vizsla does so at a significantly later age than it does in the altered Vizsla.
The estimated hazard of Mast Cell cancer increased by 103.5% when spayed or neutered at or before 6 months of age. The increase was 83.9% when the Vizsla was altered at age one or later.
Controls were done for gender and other age of spayed or neutered categories.
All of the separate analyses revealed that there was no difference between male and female.
i.e. Mast Cell Cancer in the unaltered Vizsla ( Male vs. Female ) etc.- findings are not gender specific”.
Sniper, I have two V's and looked at the study you posted on the other thread and quoted in this one, and the results from the study show a surprising thing to me...spaying/neutering at less than 12 months was much better than spaying/neutering after 12 months, and even more so for the sub 6 month group.
When looking at the incidences of diseases they detailed, the rates were many times lower or equal in the less than 6 month group to the natural group (and several diseases where the natural group was worse than the sub 6 month group). The only areas where the natural group was superior to the sub 6 month group were in the age of disease onset, but we were talking dogs in the 12+ yo range at the disease onset for all diseases AND the average age of death was no different for all groups.
The behavior traits they detailed showed an increase risk of fear of storms in dogs which were spayed/neutered at early age, but there could be confounding issues involved in behavioral traits such as whether a dog is house dog or kennel dog which could go along with being spayed/neutered early. However, when looking at all behavioral issues, natural dogs had twice to three times the incidence versus spayed/neutered dogs at any time.
The overall numbers of dogs that actually developed disease were very low in this study, so the numbers may show different results with a larger study, BUT, it appears the overall take from this study is spay/neuter early (before 6 months) in Viszlas and don't do it after 12 months old.
And, be ready for your viszla to jump into bed with you when there is a storm (mine already jump in bed almost every night anyway