Quote:
Originally Posted by Silvester
Originally posted by Vaiva:
"1. Did not come in heat a all "
That also can have a lot of reasons which have nothing to do with genetical health of bitch - as for example wrong and too less food, sickness by infection or mental stress by low ranking social status in a group of dogs with very dominant or / and much older other bitch.
"2. Were covered but never sucesfull / Did have false pregnancy /Pups were seen on echo but were never born ..."
This also can easily happen without any genetical lack, just by social reasons as i wrote before.
It´s very common and often seen also by female wolves which are living in captivity in a too small area or with too much stress.
Greetings, Silvester
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What you write is not wrong, but the effect of imbreeding depression on fertility is a phenomenon well established and proven. Rep and his blood was used in very high inbreeding for several generations, it is difficult to believe that this has had no effect.