how to deterre poisonious snakes inside locked enclosure where two kittens live?

have one female kitten that stays inside a fenced in , locked enclosure. have recently caught a poisionous snake inside on my trail camera.

Can you perhaps add a board at the base of the enclosure and line it with barbed wire? I would do this around the outside of the enclosure. It would provide a barrier the snake may be hesitant to go over. It would have to be tall enough to keep the snake from going up and over, I would think.

Other than that, is there a biological barrier you can use? I know coyote urine will keep cats at bay. Wonder if there is something like that for snakes?

The only other thing I can think of is a moat but some snakes can swim!

got a second opinion about photo I     thought. looked  like a snake inside enclosure where kittens hang out.  not a snake.but a leaf. was told to move kitten feeding station away from enclosure because it is on  private property on Elks Lodge property.found a tree near by that has a hollow place in the middle. moved the kitten feeding station there. the two kittens scamper  back and forth from enclosure to tree.it is funny to watch  them.only one of the kittens  still needs to be trapped and TNRd. she has avoided a drop trap and   ;regular trap. useing a trail camera to  keep track of her movements. my daughter is feeding them because   I could  get fired from my job next door  if caught.

Whew! Glad it was only a leaf. Sounds like you have enough challenges without snakes!

this might work http://www.snakecontrol.info/

Zed Xyzed said:

 
this might work http://www.snakecontrol.info/

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   Does it repel leaves? 

Mani said:

 
   Does it repel leaves? 

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I think the deluxe model might