Pork Prose
(Continued from Page 02)
it’s because the tissue levels drop
quickly, yet are high enough to
limit bacterial growth.
The drug is packaged as a sterile
powder in an injection vial con
taining either one or four grams of
cefdofur. The material in the one
gram vial is mixed with 20 ml of
sterile water. The four-gram pro
duct is reconstituted with 80 ml of
sterile water. Sterile water must be
purchased separately.
The unreconstituted product can
be stored long-term in the refriger
ator. After reconstitution, it must
be used within 7 days, because the
antibiotic is unstable in water and
soon loses its effectiveness. The
reconstituted product can be fro
zen for prolonged storage and later
thawed under hot water. Approval
is apparently being sought for a
ready-to-use product that can be
stored long-term.
The antibiotic is administered
intramuscularly at the rate of 1 cc
per 22 to 37 pounds of body
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weight
The cost of the reconstituted
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Field Trials
Field Results 1
Paul Armbrecht a veterinarian
from Lake City, lowa, conducted a
field study in a farrow-to-finish
complex which included 3,500
sows. The herd was experiencing
upper respiratory problems includ
ing Mycoplasma and Pasteutella
D. The original herd health prog
ram included;
* Vaccinate sow herd with
Atrophic rhinitis + Pasteurella
A&D twice prior to farrowing.
* Vaccinate pigs with similar
product at 7 and 28 days.
• Administer .3 cc of LA-200 to
baby pigs on day 1 and on castra
tion day (day 7-10).
• Administer 1 cc of LA-200 to
baby pigs at weaning (day 21-28).
The new protocol, which
included the use of Naxcel, elimi
nated all vaccinations. Three of the
15 farms in the 3,500-sow com-
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plcx were put on the following
program:
• Inject 1 gram of ceftiofur (20
cc of reconstituted Naxcel) per
sow upon entering farrowing
room.
• Inject 20 mg ceftiofur (.4 cc of
reconstituted Naxcel) per baby pig
at birth.
• Inject 20 mg ceftiofur (.4 cc of
reconstituted Naxcel) per baby pig
on castration day (day 7-10)-Inject
40 mg ceftiofur (.8 cc of reconsti
tuted Naxcel) per baby pig on
weaning day (day 21-28).
Compared to previous health
history, the pigs under the Naxcel
program had:
• Reduced sneezing and cough
ing in the nursery.
• Increased weight per day of
age in nursery.
• Reduction of snout scores
from 3 to about 1 (o=no lesions,
s=severe lesions).
• Reduction of lung lesions
from a “high” percentage (exact
level ’ not listed) to about 30
percent.
Shortly after the program was
* Better I** <»rw« s ' on
* Clea" er Efl#»
ie
"’sr^«* wMa
SYCAMORE IND. PARK
255 PLANE TREE DRIVE
LANCASTER, PA 17603
(717) 393-5807
initiated, all IS of the sow herds
- were included in the program, but
Naxcel injections for the sows
were eliminated because of cost
I also spoke to three practition
ers in southeastern Pennsylvania
recently to get their comments on
the product
Field Results 2
From the first veterinarian, I
learned that Naxcel has proven to
be a good tool against Actinobacil
lus (Haemophilus) pleuropneumo
niae outbreaks in grow-finish
herds. Even severely affected pigs
can recover when treated early
enough.
His tips on the use of Naxcel:
I. If pigs in the bam affected by
Actinobacillus are about the same
age, inject all pigs. At least inject
all pigs from the age group that are
suffering from the disease, which
are often in the range of 80 to 100
'lb.
2. Severely affected pigs should
be injected twice.
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3-Jjycci early in the course of
the disease before the onset of lung
adhesions.
He also comments that it works
well against Pasteurella, but it’s
not too effective against
Mycoplasma.
The second practitioner also
acknowledged the effectiveness of
Naxcel against Actinobacillus, but
commented that if a treatment
program, such as the use of peni
cillin. is working well now, there
may be no need to switch to
Naxcel.
(Note: The cost for a maximum
dose of Naxcel for a 100-pound pig
is about $2.25, whereas the cost for
a maximum legal dose of penicillin
is about a $.05.)
In the case of rhinitis problems,
Naxcel can be helpful in the con
trol of secondary problems, but
more sophisticated programs such
as medicated early weaning may
be needed to eliminate the AR
from the herd.
Hie third practitioner also spoke
highly of the Naxcel effectiveness
against respiratory problems. He
indicated, however, that for the
treatment of Actinobacillus, other
drugs like penicillin are often just
as effective.
General comments on the pro
duct from these practitioners
included:
1. The short storage time is a bit
a problem, when producers want to
keep some on hand. It can be fro
zen, but that’s a hassle.
2. The zero withdrawal is a real
benefit.
3. low-volume dose and the
low viscosity are both nice aspects
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Field Results 3
Field Results 4