I bought through mail order from Turtlestore.com 1 pound of the Optunia Prickly Pear cactus that others in this group recommended for my 6week old Indian Start Tortoise.Geez these are big! I snipped off the end and cut up in little pieces then put it in his food dish.He doesn't like it at all. do I need to refrigerate the cactus pad that I cut?Do I need to refrigerate the other cactus pads that I haven't cut yet?How long are they good for and still safe for my lil hatchling to eat. He was born 4/22. He is so precious and seems like he's happy.he has been eating organic mixed greens( I take the spinach out),green pepper,cucumber,Mazuri LS soaked in filtered warm water drained and mashed I spread it on his lettuce so he will eat it and he does but he leaves a lot behind.