—Lancaster Farming, Saturday, July 27,1968
20
New Swine-Breeding Technique
Modern, specialized swine- ity for siring pigs that gain rap
breeding operations will run idly and efficiently and yield
more smoothly and economically high-quality meat upon slaugh
if estrus (heat) is synchronized ter, Dr. Gerrits concluded,
artificially, a-U.S. Department of I
Agriculture physiologist reported
this week. j
Dr, Roger J. Gerrits of USDA’s
Agriculture Research Service
said that this judgment is based
on more than four years of re-'
search at Beltsville, Md., and
Miles City, Mont., conducted with
more than 1,000 sows. He was
speaking to the Second World
Conference on Animal Produc
tion held at the University of
Maryland in College Park. |
“The more trials we run,"
Dr. Gerrits said, “the more we
become convinced that estrous
synchronization is no longer an
experimental treatment, but is,
in fact, a practical program for
the producer. Not only controll
ed experiments, but also super
vised field tests conducted on
various farms since 1964 have
proven this.”
Collectively, data compiled by
Dr. Gerrits show that when sow's
were synchronized with a feed
additive experimentally labeled
ICI 33,828, about 80 were bred
within a 2-day period. Whether!
artificial insemination or natural
service was used, over 80 percent j
of the treated animals became!
pregnant. Litter size averaged
slightly more than 9 pigs for
gilts, and 10 pigs for mature
sows.
“The new technique will aid
in efficient use of swine-breed
ing facilities where pigs are far
rowed several times a year,”
Dr. Gernts said, adding, “It re
duces overhead expenses for
building and equipment and per
mits marketing hogs on a year
round basis to avoid sychcal
changes in the price of market
hogs Perhaps even more import
ant, buildup of disease in swine
bleeding can be avoided more
easily with synchronized groups
of sows.”
Another advantage of estrous
synchronization is that it makes
artificial insemination more prac
tical. In one visit, an insemin
ator can breed a whole group of
sows to boars with proven capac-
June milk production in Penn
sylvania amounted to 275 mil
lion quarts, the State Crop Re
porting Service says. This is 121
million fewer quarts than were
produced in June. 1967.
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SoMiara lat More
Far Capita Than Civilian!
the civilian population in the
United States. Military food pro
current per capita during 106$-
67 was 10% higher than in 1557-
BEN SHENK’S
RESULTS
R. D. # l, Millersville, Pa.
MR. SHENK SAYS:
YORK, PA. 717-854-7867
00. Over the BO;- Military :p*r.capita ...
vllian per capita 'food dstvrose ceeded that of civilians for
only 14%. However/the, military dairy products except cheei
continued to account iforltmly a ; • •,. • rrrrrrr .
little more than 2% ot total U.£f. "It’s too bad that the ft
food use. As a result, tbtal do- generations can’t be here to
mestic food use per capita ex- ur spend their money.”—]
panded only slightly faster than W. Grown, The Bergen (I
civilian use 1.7% since 1057- Citizen.
* » /
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• A '
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