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Results for “Animal Identification Systems”

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At least 19 recordsLinked to original sources
PubMed1990

The benefits of animal identification for food safety.

The Center for Veterinary Medicine supports the effort to have a practical, workable form of mandatory animal identification. An animal identification system will make tracing of the source of animals with drug or chemical residues quicker and more effective. One of the best means of addressing and solving the problem of residues is through mandatory livestock identification. A successful traceback benefits both the producer and the industry. The U.S. Department of Agriculture (USDA) has proposed a mandatory nationwide system to require that all swine in interstate commerce be identified. Under the proposal several means of identification are listed and could be used. Additional methods or devices could be requested in writing to USDA. Persons required to keep records under the system would maintain the documents at their place of business for 2 yr. Records would be available to authorized USDA employees during ordinary business hours. FDA has had difficulty tracing tissue residue violations, particularly those involving sulfamethazine residues in swine. Investigations involving culled dairy cows and veal calves also have been closed due to lack of producer identification. The ability for FDA to determine the source of residues is vitally important in a coordinated government program to eliminate illegal tissue residues.

Animal Identification Systems↗
PubMed1979

A visual display board used for efficient breeding and utilization of an athymic (nude) mouse colony.

A visual display board was designed to aid in the management of a barrier sustained athymic (nude) mouse colony. The board displayed pertinent information for breeding and weaning, including phenotype and age for each animal in the colony. In addition, the board showed the availability and current status of experimental groups. This system provided an efficient means of organizing production and planning utilization of animals in the colony.

Animal Identification Systems↗
PubMed1977

Computer record keeping in a large rodent colony.

An automated information system was developed to aid in the record keeping of inbred rodent breeding colonies. The system had keyboard terminals in each breeding room linked to a local mini-computer for data collection, editing, and short-term storage; and a remote, large computer center for permanent storage and report generation. The system allowed an animal technician to record all the activities associated with an inbred rodent breeding colony such as recording births of litters, weanings, assignment of animals, disposition of animals, and health observations. The information collected was available in daily reports provided within 24 hours after observations were recorded; weekly compilations that summarized the daily events; and special reports such as pedigrees, which were available on request.

Animal Identification Systems↗
PubMed1992

Subcutaneous tissue reaction to polyethylene terephtalate-covered electronic identification transponders in pigs.

Polyethylene terephtalate-covered identification transponders were injected in 4 week old piglets to examine clinically and histologically the reaction in the surrounding tissue after 4, 7 and 21 days and 6 months. Inflammatory signs at the injection site were clinically noticed from 2 days onwards and gradually decreased after day 3. A second series of inflammatory events occured in some animals around day 7. Swelling was observed thereafter in a few animals. In the pigs slaughtered at day 4, all samples showed a layer of exudate and debris surrounding the transponder. Afterwards a fibrous capsule developed. The mean thickness of reactive tissue decreased significantly (p < 0.01) between days 4 and 7 and days 14 and 21, and remained unchanged between day 21 and 6 months. The mean (+/- s.e.) capsule thickness was 0.32 +/- 0.12 mm after 6 months. It is concluded that PET-covered transponders are encapsulated in fibrous connective tissue within 3 weeks after injection at the base of the ear. After 6 months the capsule around the transponder revealed no or only minor signs of inflammation.

Animal Identification Systems↗
PubMed1986

Use of a colouring agent in approved dips as an aid in identifying dipped sheep.

A fat soluble dye was identified as a suitable colourant for mixing with approved dips during the statutory winter dipping period. The optimum concentration of the dye was 0.4 per cent. It uniformly dyed the sheep and depending on the breed persisted on the fleece for three to six months. Any dye that remained on the wool at shearing (six to eight months after dipping) was washed out by scouring solutions containing non-ionic and anionic detergents. The dye did not alter the efficacy of the commonly used insecticides.

Animal Identification Systems↗
PubMed1986

Horse identification.

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Animal Identification Systems↗