Administrative Rules of Montana › Department 32 - LIVESTOCK › Chapter 32.3 - DISEASE CONTROL › Subchapter 32.3.3 - Pseudorabies › Rule 32.3.301 - DEFINITIONS

Current through Register Vol. 13, July 5, 2024
(1) "Pseudorabies" is an acute, sometimes
				fatal disease, caused by a specific herpes virus and characterized by a variety
				of clinical signs, involving mainly the nervous and respiratory systems. Most
				species of domestic and wild animals are susceptible to infection by this viral
				agent, but only swine are known to become chronic carriers. Man and higher
				primates are resistant.
(2)
				"Department" is the Montana department of livestock, animal health
				division.
(3) An "animal" is any
				quadruped of a species which can become infected with pseudorabies.
(4) An "official test" is any
				department-approved pseudorabies test conducted by a person authorized by the
				department and the USDA, as specifically qualified to conduct such test on
				animals or animal tissues. Official tests are designed to indicate the presence
				of pseudorabies infection, utilizing one or more of the following procedures:
				latex agglutination (LA), serum neutralization (SN), florescent antibody (FA),
				enzyme labeled immunosorbant assay (ELISA), or any other virus isolation test
				or serological procedure recognized for use in the diagnosis of pseudorabies.
				To be considered official, the test must be conducted in an approved facility.
				Interpretation of test results are to be made by an individual qualified to
				make such scientific judgments and who is in the employ of the department or
				the USDA. Interpretation and test results are to be reported on official forms
				of the department.
(5) An "approved
				reagent" is a standardized biologic product approved by USDA for use in
				pseudorabies testing. Use of approved reagents, which includes antigens and
				test serums, are restricted to official tests only.
(6) "Official vaccination" is the
				administration of an approved pseudorabies immunization biologic licensed by
				USDA. The administration will be by a deputy state veterinarian or other person
				approved by the state veterinarian. The vaccination will be administered only
				with the express permission of the state veterinarian, and all such
				vaccinations will be reported on forms provided by the department. Only
				official vaccination is permitted in Montana.
(7) An "official vaccinate" is an animal
				receiving an official vaccination and which is given proper permanent
				identification.
(8) "Proper
				permanent identification" means use of the official nine-character
				alpha-numeric eartag as provided by the department, or individual
				identification as otherwise prescribed by the department. Proper permanent
				identification is required with blood samples used for official
				tests.
(9) An "infected or positive
				animal" is any animal that discloses sufficient reaction to an official test
				which indicates the presence of field strain pseudorabies virus or which is
				found to be infected with field strain pseudorabies virus by other recognized
				diagnostic procedures.
(10) A
				"suspect animal" is an animal disclosing an equivocal result to an official
				test or diagnostic procedure in which there is sufficient reaction, indicating
				the possible presence of pseudorabies infection but is in itself insufficient
				to justify classification of the animal as infected. This classification
				ordinarily requires the use of additional laboratory testing procedures to
				allow classification as infected or noninfected.
(11) A "noninfected or negative animal" is an
				animal free of clinical signs of pseudorabies and giving a negative result to
				an official test designed to detect pseudorabies infection with field strain
				virus.
(12) An "exposed animal" is
				any animal that is part of a herd or the herd premises infected with
				pseudorabies, or an animal that has had sufficient contact anywhere with
				pseudorabies infection or test reactors for the transmission of pseudorabies
				virus to have occurred. Animals other than swine that have not had significant
				contact with infected pseudorabies animals within the previous 10 days are not
				considered exposed.
(13) A "herd"
				is one or more animals of the same species owned or supervised by one or more
				persons and that permits intermingling of animals unhindered or in which
				interchange of animals without regard to health status is allowed.
(14) A "contact herd" is a herd of animals of
				the same species that, through epidemiological investigation, is shown to come
				proximal to infected or test positive animals sufficiently for the transmission
				of pseudorabies virus to occur. Also, a herd containing exposed
				animals.
(15) A "herd test" is a
				test of all animals six months of age and older contained as a herd. Blood
				samples taken at the herd test will be identified to the donor animal using
				proper permanent identification applied to that animal.
(16) A "random herd test" is a herd test at
				recognized random rates that yield significant confidence that any infection
				would have been detected. Recognized random rates are shown in the UM&R for
				pseudorabies eradication.
(17)
				"Offspring segregation plan" means a procedure whereby offspring of
				pseudorabies-infected sows are segregated from those infected sows at an age
				where they are passively immune to pseudorabies and by applying test and
				separation principles can be developed into pseudorabies-free breeding swine
				that serve as the foundation for a pseudorabies-free breeding herd (Reference:
				UM&R for pseudorabies eradication herd plan manual).
(18) "Emergency circumstances" means events
				or situations which, in the opinion of the board of livestock, pose an
				immediate or impending economic or livestock health danger to the livestock
				industry.
Sec.
					 81-2-102,
					 81-2-103 MCA; IMP, Sec.
					 81-2-102,
					 MCA;