Are there any common infections or diseases snakes can get from live feeder mice?

what size mice should i feed a BABY ball python?

what size mice should i feed a BABY corn snake?
can i feed a fuzzy to a baby corn?

Do feeder mice have parasites and diseases that can kill my ball python?
can parasites be transmitted to my snake?
The question is- DO FEEDER MICE HAVE PARASITES AND WHAT ARE THE CHANCES THAT IT WILL HAVE A PARASITE?

HOW DO I KNOW WHEN A FEEDER MICE IS HEALTHY?
DO THE FEEDER MICE THEY SELL AT REPTILE EXPOS HAVE PARASITES?OR ARE THEY PROBABLY HEALTHY?

What s it called when you take your animal s feces to the vet to check for parasites? the animal is a ball python..
what is the most a vet would charge for this?
dont forget to tell me what its called when you take feces sample to vet to check for parasites!!

I didnt like guinea pigs that much because the cage stinks and etc. but that was awhile back. Ive wanted a ball python for awhile but my dad is skeptical on letting me because its a huge snake and think its dangerous. I need some benefits that ll help change his mind- any ideas??

I heard that feeding only frozen prey to snakes..in this case ball pythons is bad because freezing them kill thiamine and important b vitamin..so if i feed frozen..what vitamin supplement do i dust the frozen mice with?and how often?

i was thinking about dusting the mice with repto life plus every other feeding or 1 time a month?

I found a ball python and the only way for me to get it is if i shipped it. The man lives in Illinois and i live in Kentucky. How much would it cost and the animal would probally under 500 grams.