can i ask what brand is your coax? i read a post a couple years ago about a guy who had two0 cables laying on the ground side by each and the rodents always chewed one but not the other and one was bedlen and the other was lmr400 but i dont remember which they ate.
"Steren" from Ebay seller
You could use burial grade coax or run the sections on the ground thru some grey electrical PVC conduit pipe.
I will be running in conduit. Only on ground because of an emergency trip.