Perhaps cats/kittens meant for home pets should be neutered/spayed but the stray ones should be left alone? No matter how hard i care for them i still see them get killed or rather the life span is so much shorter....Plus the neutered ones once died wont have anymore replacement to do the rat catching service.

And for obvious reasons i cannot keep on taking in all the strays....eventually i wont have anymore space.

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You may think you are smart. Actually our knowledge is so limited...so dont assume we know how cats feel, because bottom line we really do not know.