2 Miss. Code. R. 101-2-17-104
If infection is disclosed in swine herds, one of the following plans should be selected for eradicating the disease and for subsequent qualifying the herd for Validated Brucellosis Free status, if desired.
1. Plan 1. This Plan is
recommended for commercial herds found infected. The following procedures
should be carried out:
a.Market the entire
herd for slaughter as soon as practicable.
b. Clean and disinfect houses and
equipment.
c. Restock premises with
animals (from Validated Brucellosis Free Herds) placing them on ground that has
been free of swine for at least 60 days.
d. After two consecutive negative tests not
less than 60 nor more than 90 days apart, the herd is eligible for Validated
Brucellosis Free Herd status.
2. Plan 2. This Plan is recommended for use
in infected purebred herds only where it is desired to retain valuable blood
lines. The following procedures should be carried out:
a.Separate pigs from sows at 42 days of age
or younger and isolate.
b. Market
infected herd for slaughter as soon as practicable. Infected sows should not be
rebred and should be slaughtered as soon as possible. Complete isolation of
infected animals is essential. The separated weanling pigs from the nucleus for
establishment of the infection-free herd.
c. Test the gilts to be used for the
following breeding season about 30 days before breeding. Save only the gilts
that are negative. Breed only to negative boars.
d. Retest the gilts after farrowing and
before removing them from individual farrowing pens. Should reactors be found,
they should be segregated from the remainder of the herd and slaughtered as
soon as possible. Select only pigs from negative sows for breeding
gilts.
3. Plan 3. This
Plan is not recommended in general, but it has been found useful in herds where
only a few reactors are found and where no clinical symptoms of Brucellosis
have been noted. Carry out the following procedures:
a. Market reactor for slaughter.
b. Retest herd at 30 day intervals removing
reactors for slaughter until the entire herd is negative.
c. If the herd is not readily freed of
infection, abandon this Plan in favor of Plan 1 or Plan 2.
d. Following two consecutive negative tests
not less than 90 days apart, the herd is eligible for Validated Brucellosis
Free Herd status.
Notes
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