So I feed my Ball Python frozen mice once a week (I buy the “Gourmet Rodent” brand that Petco carries). And after i thawed it out, i opened it up and almost freaked out. The dead mouse had blood all over it as if it had been beaten in the head multiple times. The blood was dark red on the head and continued to get a bit lighter as you travel down to its tail. Should i be concerned at all at what i just witnessed? Is this normal? This is my 4th time ever feeding my snake so maybe this is a normal thing but i’ve never seen that before.