We just sold our horse ranch in Yucca Valley and rats eat Fords and MBZs there everyday. Here is what we do:
#1 Try not to park outside, it is the kiss of death!
#2 Get some barn cats - no names please and pick them up in threes at the entry to a local country Walmart - never let them into the house (coyotes). The dumb ones do not last long.
#3 Wire the green rat bait with the holes in the square blocks all over your rig 0 Twenty or more and use solid wire not string.
#4 Use a Squirrelinator and accept no fakes or knockoffs
http://www.ruggedranch.net/traps.html[/b]
#4 Add a light under the hood, the brighter the better and leave the hood up. You can use a timer. Better yet, hand a string of lights.
#5 Do not buy a vehicle that uses soy based additives in the wire harness and insulation.
#6 Park on a pile of rat bait but only the deadly stuff we buy in Mexico works, it will kill your dogs if they eat it.
#7 Set up an ambush station, buy a quality HPA air rifle (repeater clip fed) and if you can afford it, a night vision scope. Deadly out to 50+ yards if you have a good scope. .22 is fine but .25 makes a bigger hole. Bait them in with bird food and dog food. make it comfy for you - I suggest a beer cooler in summer and some nice hot fortifying drinks in winter (just kidding - no drinking and shooting).
#8 Pick up the DOA's and get them away from the truck, the little beasts are fast learners.
I have caught up to 20 rats at a time in the trap. I power wash the trap to get the human stink off of it. I sometimes use a can or two of cat food or better yet, cheap sardines from the 99 cents store. A good night of shooting for me is up to a 100 of the little beasts.
In the day time you can shoot ground squirrels, they carry Bubonic Plague. Kill them all, leave not one to breed.
There are what I call "feral birds" that wipe out my wild baby quail and so earn a death sentence.
This is the formula, it works and we love to watch the folks from Bolliwood and other parts of LA when they move out our way and cannot start any of their vehicles within a few days. The local Ford agency has a bet on how long a new 150 sold to a city slicker will last before the rats eat the wiring.
See ya,
Bob Jarrard
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