The pair run the Kentucky Reptile Zoo full-time, a non-profit relying solely on people coming through the gates and the sale of venom.

Kristen added: "Almost any venomous snake is capable of causing severe injury but you are pretty unlikely to die if you get appropriate medical care.

"It's unlikely here as we do everything we can to get appropriate care and have anti-venom on site for everything anti-venom is made for.

"We both believe what we're doing is a good thing - it saves lives."