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The Carpenter Shop
"Have nothing in your house that you do not know to be useful,
or believe to be beautiful. "  William Morris
Copyright The Carpenter Shop, 2007.
358 N. Rockwell Ave., Oklahoma City, OK  73127
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Web www.thecarpentershop.net
405.942.2644
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Office Hours:
M - F 7 a.m. to 3:30
Sat 10 - 1
Please call to make an appointment as
errands and installs close the shop
New Products!  
The current economic conditions are increasing interest in
both sustainable living, food safety, and self sufficiency.   
Raising chickens in backyards is making a come back but
there are few local options for equipment to raise chickens
responsibly.   As cabinet building and countertop work tends
to be cyclic, we thought we would begin offering products that
can be built in slow periods to keep our shop profitable.
Are you tired of feeding more rats and mice than chickens?  
This feeder will prevent mice and rats from stealing your expensive feed and prevent  the spreading
of disease and filth.   Raising chickens inside city limits requires being a good neighbor that prevents
rats and mice from colonizing the area.   
Medium sized
Rodent
Resistant
Chicken   
Feeder    
$50 + shipping
Durable plywood construction with metal
treadle arms for trouble free operation
under moist conditions.    The feeder
should be attached to a larger base or
fastened to the coop wall to prevent
tippng when empty.

The treadle is narrow and distant to
prevent very large individual rats from
operating the treadle and reaching the
feed.  The rat will have to weigh over 1
1/2 pounds to work the treadle.

If you already have a large rat colony
living under your chicken coop, it is best
to exterminate them to prevent a swarm
of rats from operating the treadle.  Once
the large rats are gone,even a swarm of  
medium sized rats and mice will not be
heavy enough to move the treadle.
The treadle action is easily adjustable
using the bendable crank rod and
adjustable steel counter weight.   You
can adjust the travel of the swinging
door and the weight sensitivity of the
treadle for initially training your birds
and to keep larger rats from operating
the treadle.

The unit comes factory preset at 1 1/2
pounds pressure on the end of the
treadle to open the swinging door.   
You can move the counter weight
forward using four Philips head wood
screws to allow lighter birds to use the
feeder, then gradually set the needed
treadle weight to accommodate your
growing birds.
The hopper holds nearly 25 pounds of laying pellets
or other feed, has an adjustable throat for feed
control, and is sprayed with a sealer coat for free
flowing feed and sanitation.

Generally a laying hen eats around 4 ounces of feed
per day, so one pound of feed should feed four
birds one day, 7 pounds per week per four birds, or
3 1/2 weeks per full hopper of feed for a four hen
flock.

Approximate size is 18" deep x 14" wide x 19" tall.  
Empty weight is around 14 pounds, shipping weight
around 18 pounds with packaging.   
Click here to
estimate your shipping charges.  Use zip code
73127, use 20" x 16" x 21" as the approximate box
size.  Or email us for a shipping rate quote at:

al@thecarpentershop.net
The video to the left is one of the first uses of the
feeder prototype.   The hens learned very quickly that
stepping on the treadle meant that they got to eat!  If
they don't pick it up in five minutes, wait a few hours
till they are hungry then trip the treadle a few times so
that they see the food.  You can adjust the counter
weight to make it easier for them to learn but I didn't
find it necessary to train my three hens and one
rooster.

The rooster however was a little slow in picking up
the idea to step on the treadle for his dinner.  He
eventually learned the trick though.   He certainly let
down his gender...

My feed bill plummeted by 75% after I began using
the prototype feeder.   Mice and rats not only eat feed
out of regular feeders, they fill their cheeks with extra
food and store it in their burrows.

The feeder was designed using feedback from
chicken owners on the forum at
backyardchickens.com.   Metal treadle arms and the
narrower treadle step were added to the final design.
When I started raising my own back yard flock, I found the wonderful metal treadle feeders online but the cost was
outrageous at $150.00 and up.  I determined that if one prevented the rats and mice from ever targeting your feed, a
metal feeder wasn't needed, they will go somewhere else for an easier meal.   I found from testing the feeder prototypes
in my own chicken house that was over run with mice and very large rats  that mice and rats will begin to chew on the
front edge of the feeder in an effort to get to the food.  That serves as an early warning sign to set out rat bait before the
hungry vermin begin targeting chicks and eggs.
The video to the right is one of the first
training videos during the initial training
of the hens in my backyard flock.  
Chickens are very smart animals.   The
night before they were hesitant to use the
treadle feeder due to the motion of the
treadle and the swinging door but the
next morning they were hungry for their
breakfast and eager to try the strange
device!

Nothing but chicken butts visible once
they picked up on where the feed was to
be found.
The pictures below are of a prototype of a
much smaller treadle feeder for chicken
tractors and arks.   It holds eight pounds of
feed, has an integrated metal back, bottom,
and front.   This feeder MUST be secured to a
larger base or screwed to a wall to prevent it
from tipping over when the feed runs low.

If you need a feeder for use outdoors, you
can construct a rain shed out of corrugated
plastic or metal.   See the pictures below for
examples
Pricing has not been set on the
smaller prototype feeder.  It requires
a double counter weight due to the
weight of the treadle over whelming
the smaller size and the metal parts
are more expensive than the 100%
plywood construction of the medium
feeder so there may not be much of a
price difference.