Study Reconfirms Ileitis As No. 1 Swine Disease
INDIANAPOLIS, Ind. A new study finds
agreement among pork producers, veterinarians,
and feed industry representatives that ileitis is the
most-targeted disease on farms today. The finding
confirms an ongoing, deep concern about ileitis and
its negative effects on performance, mortality, and
pig flow.
Part of the reason for ileitis’ number-one ranking
may center on its pervasive nature, as earlier studies
found 96.2 percent of U.S. tested herds were posi
tive for the bacteria causing ileitis Lawsonia in
tracellularis. Ileitis commonly strikes pigs from 50
pounds up to market weight.
Of the 200 participants surveyed in the new
study, underwritten by Elanco Animal Health, more
reported having current on-farm battles against
ileitis than respiratory disease, including myco
plasma. This was also true for salmonella and he
morrhagic bowel syndrome. Another finding from
the study showed 86 percent of the respondents
viewed Tylan® Premix as the best product for ileitis
control. In addition, study participants rated Tylan
highest in overall satisfaction compared to other
products.
Previous studies, which asked swine veterinari
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ans about ileitis, may also shed light on why the in
dustry appears to be unified in its fight against the
disease. Some of these findings included:
• Ileitis-caused variation translates into average
losses of $B.ll per head.
• 99.2 percent of veterinarians observe increased
variation due to ileitis.
• 80.2 percent of veterinarians think ileitis is as
bad, or worse than it was five years ago, while 14.9
percent say ileitis is less of a problem.
Dr. Tom Marsteller, swine technical consultant
for Elanco, says producers can limit the negative
impact of ileitis by implementing a comprehensive
herd-health program developed with cooperation
between the producer, veterinarian and feed sup
plier.
For many operations, he recommends the pru
dent use of Tylan Premix in swine rations at 100
grams per ton for 21 days for the prevention and
control of ileitis. Marsteller also points to the prod
uct’s zero withdrawal as a benefit in complying with
Pork Quality Assurance guidelines.
Additionally, Marsteller reminds producers they
can use Paylean®, as indicated, while using Tylan to
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