Hidden Power's power and type vary depending on the individual Pokemon using it, ranging between 30 and 70 power. There is no way to change a Pokemon's Hidden Power type or power, so you are stuck with what you have. Hidden Power is always a Special-based move.
Here are some basic guidelines for storing meat in the refrigerator. 1  Raw ground meats, all poultry, seafood, and variety meats: Refrigerate 1 to 2 days. 2  Raw roasts, steaks, and chops (beef, veal, lamb, and pork): Refrigerate 3 to 5 days. 3  Cooked meat, poultry, and seafood: Store in the refrigerator 3 to 4 days. Because we get so many questions about storing food safely in the refrigerator, we put together this chart, which lists storage times for all sorts of meats and meat products: Storage Times for the Refrigerator and Freezer
Now mind you this is completely different than USDA guidelines but this is real world observations from my over a decade of Food logistics and buying experience. You'd be amazed at how long some of this can last if it was at the right temp and in the right package. If fact I've dry aged steaks in my fridge to almost 50 days. That being said it doesn't mean it is inedible even if it has reached that point nor will it make you sick if you do eat it in most cases if you do a couple of things.