Just to address the ‘spaying is like declawing’ theory…..

In the case of neutering/spaying, this gives the following advantages to the cat :-

: Females have no chance of developing cervical cancer, dying in labour or any other breeding complications.

: Males are less prone to wandering and looking for partners which decreases their chance of RTA ‘s and catching FIV & FELV. (Mainly spread though fighting and breeding)

: All cats have reduced risk of developing breast cancer and a recent study proved that cats altered before their first heat cycle live longer lives.

In the case of declawing, this gives the following advantages to the cat :-

: Well, I haven't found one yet, but the Open Challenge is still open, if anyone has any suggestions.