Iowa Administrative Code › Agency 21 - Agriculture and Land Stewardship Department › Chapter 64 - Infectious and Contagious Diseases › Rule 21-64.157 - Herd Cleanup Plan for Infected Herds (eradication plan)

Current through Register Vol. 47, No. 3, July 24, 2024
(1) The herd cleanup plan shall be a written
			 plan approved and on file with the department.
(2) The herd cleanup plan shall contain:
a. Owner's name, location and herd
			 number.
b. Type of herd plan
			 selected, e.g., offspring segregation, test and removal,
			 depopulation.
c. Description of the
			 plan, which shall include the following requirements:
(1) The breeding herd shall be maintained on
			 an approved vaccination program, at least four times per year;
(2) The progeny shall be weaned and
			 segregated by five weeks of age or less, and progeny group isolation shall be
			 maintained according to the terms of the herd plan;
(3) The herd must be visited on a regular
			 basis (at least quarterly) by the herd veterinarian to monitor progress of the
			 herd cleanup plan. This will include monthly testing if applicable, overseeing
			 management procedures which may include all-in, all-out swine movement,
			 ventilation, sanitation, disinfection, and vaccine handling;
(4) Vaccine shall be administered to the
			 progeny swine at least once, or more often if required by the herd
			 plan;
(5) Feeder pig movement or
			 relocation from the premises of origin must be detailed in writing in the herd
			 cleanup plan. Feeder pig movement or relocation from the premises of origin
			 will only be allowed to approved premises and must be detailed in writing in
			 the herd cleanup plan. Movement will not be allowed from the herd if the herd
			 has experienced clinical symptoms of pseudorabies in the past 30 days.
			 Effective April 19, 2000, all movements from infected premises shall be by
			 restricted movement. "Movement" in this paragraph includes movement to a
			 premises in the production system not in the vicinity of the current location,
			 irrespective of whether there is a change of ownership;
(6) Culled breeding swine must move by
			 restricted movement directly to slaughter (slaughtering plant or fixed
			 concentration point) or to an approved premises in Cornpliance with Iowa Code
			 section 166D. 10 as amended by 2000 Iowa Acts, Senate File 2312, section 16,
			 and as detailed in the herd cleanup plan. No swine moved from infected herds
			 may be represented as breeding swine;
(7) Herds identified as infected on or after
			 August 1, 1999, with breeding swine, shall implement a test and removal herd
			 cleanup plan which allows for the phased test and removal of bred animals for
			 one farrowing cycle, followed by a whole herd test and removal plan. Effective
			 August I, 2000, a whole herd test and removal plan shall be implemented for all
			 infected breeding herds. The herd plan shall include the following:
1. All breeding swine, including boars, shall
			 be tested within 14 days of the herd's being classified as infected. Testing
			 shall also include progeny, if applicable.
2. All breeding swine must be identified by
			 an approved ear tag, or other approved identification method, at the time of
			 blood collection.
3. Until August
			 I, 2000, all seropositive, unbred breeding swine must be removed from the herd
			 by restricted movement, direct to slaughter (slaughtering plant or fixed
			 concentration point), within 15 days after blood collection. All seropositive,
			 bred swine must be removed from the herd by restricted movement, direct to
			 slaughter (slaughtering plant or fixed concentration point), within 15 days of
			 weaning. All replacement breeding stock must be vaccinated prior to addition
			 into the herd and must be retested 60 days after entry into the herd. Effective
			 August I, 2000, all seropositive animals, bred or unbred, must be removed from
			 the herd by restricted movement, direct to slaughter (slaughtering plant or
			 fixed concentration point), within 15 days of the whole herd test. All known
			 positive animals in the herd on August I, 2000, must be removed from the herd
			 by restricted movement, direct to slaughter (slaughtering plant or fixed
			 concentration point), by August 15, 2000.
4. A whole herd test shall be required within
			 30 days after the removal of the last known positive animal. Any additional
			 seropositive animals must be removed from the herd by restricted movement,
			 direct to slaughter, within 15 days of the collection date. Whole herd retests
			 shall be required at 30-day intervals, with removal of positive animals within
			 15 days of the test, until it has been determined that the herd is
			 noninfected.
5. Seropositive swine
			 must be removed from the herd, by restricted movement, direct to a buying
			 station or to a slaughtering establishment.
All swine movement from infected herds must be by restricted
				movement directly to slaughter or to an approved premises as detailed in the
				herd cleanup plan.
When a herd is designated a noninfected herd, or has been
				depopulated, by procedures detailed in Iowa Code section 166D.9, the plan is
				Cornpleted;
(8)
			 Beginning October 1,1999, a herd cleanup plan shall be implemented for all
			 infected finishing herds which shall include the following:
1. A description of the premises, including
			 the location, capacity, physical layout, owner's name, and herd
			 number.
2. Vaccination
			 requirements:
* Every animal, unless such animal is within three weeks of
				anticipated slaughter, must be vaccinated with an approved pseudorabies vaccine
				within seven days of notification by a regulatory official.
* New animals introduced into the infected premises are to be
				vaccinated with an approved pseudorabies vaccine according to the timetable
				outlined in the herd plan.
* If, through subsequent testing, additional buildings on the
				site are determined to be infected, all swine on the site shall be managed by
				all-in, all-out production.
3. Testing requirements:
* A minimum of 14 swine, selected randomly, per building, shall
				be tested immediately.
* Swine shall be retested, at a minimum of 14 animals, selected
				randomly, per building, every 45 days, if necessary, until the premises are
				determined to be noninfected.
4. Description, restrictions, and
			 requirements of pig flow through the facilities.
5. All movements from infected finishing
			 sites shall be by restricted movement and only to slaughter.
d. Specific movement
			 limitations which may include approved destination locations, "restricted
			 movement to slaughter," or other appropriate animal movement control
			 measures.
e. Signatures of the herd
			 owner, the owner's veterinarian, and the epidemiologist or the epidemiologist's
			 representative.