It sT. LOUIS, Mo. An invisible
revolution. is going on m the
research laboratories and mills
that produce feed for the nation’s
hog fanners. According to one of
the feed industry’s leading swine
researchers, the greatest impact
of these new rations is on a hog
producers must important concern
- the bottom line.
“Basic and applied swine
research, in tandem with advances
m feed mill processing, has greatly
improved the efficiency and
reduced the real cost of swine
feeds m the last ten years.” said
Bud Hannon, director of swine
research for Ralston Purina
Company. “Rations available to
today's producers are better
matched to the nutritional needs of
a hog than they were ten yearq ago.
This translates into better feed
efficiency and lower cost of feed
per pound of pork brought to
market.”
Harmon pointed to two major
changes in swine feeds during this
inod that resulted from research
EJtid feed processing discoveries
ammo acid balancing and high
energy content.
"Producers have long been
aware of the need for s minimum
level of amino acids and energy in
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Hog feed improvement continues
swine feeds. Research develop
ments in the past few years have
defined the exact amounts of these
unputs required at each stage of a
pig’s development,” detailed
Harmon. This has evolved into new
kinds of feeds that allow a
producer to take advantage of a
-hog’s potential to gain rapidly,” he
added.
“For too long, amino acid
requirements were expressed as a
percent of diet for a given weight
pig, without consideration for
other nutrients,” explained the
Purina researcher. “We now know
the balance of amino acids is
crucial. Failure to avoid im
balances will impair performance.
This is why feed tests with the High
Octane line of rations produced
gains that were greater than
results from feeds hogs that were
not amino acid balanced. ’ ’
The same holds true for the
energy content of hog rations,
Harmon continued. “Minimum
requirements have been known for
a while. Defining the optimal
amount of energy for each stage of
a pig’s growth is a recent
development.”
The researcher explained that
energy levels must be adjusted to a
pig’s age and size, and must be
One motor powers both the
feeder belt and the plow
without need for a reversing motor.
watched carefully m boars gills
and gestabng sows. “For example,
sows fed too much energy in the
first 60-70 days of gestation suffer
higher rates of embryonic mor
tality. However, research has
shown that sows receiving a
palatable, high energy effectively
to produce larger, healthier pigs,
Hannon explained.
Discovery of the importance of
certain levels of amino and energy
did not immediately change swine
feeds. “Knowledge of swine
physiology and nutrition is
weighed against what can be done
in practical swine rations, and
may be dependent on processing
technology” he continued.
“Since the introduction of high
energy rations, bog producers
have wanted a high energy con
centrate that allowed them to use
more corn than existing con
centrates, in order to make better
use of grain surpluses,” he said.
This situation changed only
recently, he said, after years of
reseach and development of feed
processing techniques.” A recent
breakthrough in processing now
.allows us to offer a 38 percent
protein, high energy supplement.
High Octane Hog Chow 38.
“This breakthrough revolved
Plow reverses et each end of
feeder automatically and
smoothly with dependable
continuous-loop drive cable.
around incorporating fat into the
feed in a different way than we had
ever done before, and allows us to
get more fat into the ration,” he
explained. “It also produced a side
benefit—a supplement that flows
well, even in sub-zero tem
peratures."
“The obvious benefit to a
producer with large amounts of
grain to be used is less out-of
pocket costs—four to five dollars
per head fed out-to-market,” he
LF7BF
Lancaster Farming, Saturday, July 2,1983—D5
added. “This new product allows a
producer to use 43 percent less
concentrate per ton of ration,
which translates to about 1.7 more
bushels of gram per finished hog.
Hannon concluded with a look to
the future. “Technological change
stemming from research
discoveries has made significant
changes in a producer’s bottom
line. We still have a long way to go,
but I think the feed industry is up to
the challenge."
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