Tell or Say please when at dogs there comes a climacterium and its or his signs?.......

[Tatyana]

Tell or Say please when at dogs there comes a climacterium and its or his signs?......
Thanks...

[Dubova A.V.]

Hello. At old dogs character of estruses and their periodicity changes. There can be a latent or not expressed estrus, the interval between estruses can increase or be enlarged. If it to designate as "climacterium" on the average it occurs or happens after 10 years or summer age. At large and fine breeds - to a miscellaneous.