It investigated 143,004 animal cruelty complaints last year.
The Tory grandee is also responsible for the death of 400 squirrels.
The growing popularity of the dogs has 'increased animal suffering'.
The increase in experiments has made a 'mockery' of the government, campaigners say.
'If you’re trying to educate people about wild animals then I wouldn’t take them to a zoo.'
About 50 pets are believed to have been killed and dismembered.