Cl2-Lancaster Farmlnfl, Saturday, May 8, 1993
Pork Prose
Tab la 1. Carcass measures from barrows shown at KILE:
Year Fat Depth Loin Eye Area
1960 1.3 4.6
1986 1.0 4.7
1987 1.0 4.6
1988 1.1 4.8
1989 1.1 4.9
1990
1991
1992
Between 1960 and 1986, there
was a significant drop in fat depth.
Since then, it has been relatively
stable, and by industry standards,
about average. Admittedly, these
arc barrows (which are already on
the fat side). But these are also
show hogs, most of which are hand
fed in the weeks preceding the
show, which should reduce
backfat.
Secondly, producers ate com
peting in a contest for a $l,OOO
prize, so we should expect the
averages to be superior to that of
the industry in general.
Muscle also remained stable
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(Continued from Page Cl 1)
1.0
1.1
1.0
until 1991, when loin eye areas
took a nice jump. That clearly will
help on a Hatfield system, but a
decrease in fat depth would help a
lot more.
Now let’s look at trends in the
Pennsylvania boar test station.
First, a word of caution. Since
these are ultrasonic scans, often
done by different operators, we
have to be careful making year-by
year comparisons. And because
the measurement of loin eye areas
are more approximate than that of
backfat, they are not reported.
Finally, fat depth measures are
rounded to the nearest tenth of an
inch.
Table 2. Fat Depth of Boara In PA Performance Boar Teat Salaa:
Year Fat Depth, In.:
1985 .8
1986 .9
1987 .9
1988
1989
1990
1991 (winter)
1992 (summer)
1993 (winter)
Some reduction in backfat, but
not as obvious as we’d like.
It could be argued that these two
programs do not represent the
purebred industry. Perhaps not, but
it is still perplexing that there is no
clear response to the demand for
leaner hogs since 1988, when Hat
field began it grade and weight
program.
Whcrc Is The
Industry Going?
We’ll always need purebreds.
Because of the nature of contract
production of commercial hogs,
and because of the nature of com-
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