I actually didn’t know that they did but I looked it up and you’re right. Small dogs breeds love longer than large ones. Apparently it’s the weight not the height that matters. I don’t honestly know but I would say that it is probably something to do with their hearts. Dogs can have quite problematic hearts.
Pity you didn’t ask yesterday coz I was the vet’s last night getting my cat vaccinated and I could have asked her. I’ll ring her and see what she says and get back to you later. I hope that’s ok.
She said that it’s because as the dog’s body get’s bigger the organs do not necessarily increase in size proportionally. As a result a large dog’s organs may be under more strain than a small dogs because they are not big enough. This means they age faster and so die younger.
I did know any of this before today. Thanks for the great question!
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Jean commented on :
Ok, I rang the vet.
She said that it’s because as the dog’s body get’s bigger the organs do not necessarily increase in size proportionally. As a result a large dog’s organs may be under more strain than a small dogs because they are not big enough. This means they age faster and so die younger.
I did know any of this before today. Thanks for the great question!