This film describes the types of flies found on dairy and beef farms and effective control methods. Date:1967 Contributors: Jack D. Gutmann, director, editor Steve …
the biology teacher said some flies
breed in pasture manure Carl forgot
about this until one morning when he was
bringing in the cows
there were the larvae a few days more
they'd be feeding on the backs or the
legs of the cows he didn't know which
Carl could remember the routine for
spraying two strokes on the back one
each on the front legs belly and hind
legs then repeat on the other side his
dad was good at figures and had
calculated that ten strokes gave each
cow the two ounces called for in the
directions on the cam
Carl but worrying about that fly Laurent
ignore that slide couldn't even when I
was a kid couldn't after I started
farming through first-hand experience
Carl had picked up a lot of information
magazines helped him to organize and
supplement what he already knew for
Darren flies costs up to 50 gallons of
milk per cow in one season for beef
maybe 40 pounds of game plan for my 32
cows that's 1,600 gallons at eight and a
half pounds per gallon that comes to 13
thousand six hundred pounds thirteen
thousand six hundred pounds ignore that
now I know which one laid its eggs in
the pasture manure it was the little one
called the horn fly feeds on the backs
of cows and stays there day and night
because they stay there I could get them
by spraying at milking time stable from
the one you find on the legs and balance
rests between feedings on fences and
walls Carl decided to check this out
first hand
the stable fly stays on the cow about 10
minutes for a meal and then flies to a
fence or wall to wait until it's hungry
again the housefly and the stable fly
look much alike except for their
mouthparts spraying the cows at milking
time gets the horn flies table flies and
house flies that happen to be on the cow
but if you have a good spray which will
remain effective through the afternoon
for pasture fly control it will get the
stable flies when they go back for their
next meal the fly breeding spots for
stable flies are much the same as for
house flies manure piles decaying silage
old straw stack bottoms the backbone of
any fly control program is a clean
farmstead get rid of the fly breeding
spots otherwise of farmsteads just an
oversized incubator for raising flies
you can raise lots of flies in little
spots that are easily missed that edge
of manure around a feedlot ground feed
near a manger
you could use a larvicide on these spots
but Carl remembered his decision to
clean them up he got one more suggestion
from the magazine spray the resting
places inside and out for this you use a
spray that has a residual killing power
that will last for several weeks these
long-lasting residual wall sprays are
strong they should never be used
directly on the animal start fly control
in early summer with a residual barn
spray repeat this two or three times a
year clean up spray the cows at milking
time spray the resting places Carl
figured he had it all under control
let's play
Carl what are you doing with my hair

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