Teeth, tags, and a TSE
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This presentation by University of Maryland Extension Sheep & Goat Specialist Susan Schoenian covers three topics: teeth (including how to age sheep and goats), tags, and scrapie (including tagging requirements).
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Teeth, tags, and a TSE
- 1. Teeth, tags, and a TSE SUSAN SCHOENIANSheep & Goat SpecialistWestern Maryland Research & Education CenterUniversity of Maryland Extensionwww.sheepandgoat.comsschoen@umd.edu(301) 432-2767 x343
- 3. Mouthing sheep and goats to estimate age
- 4. Mouthing sheep and goats to determine soundness
- 5. Tags
- 6. Methods of identifying sheep and goats
- 8. TSE
- 9. Scrapie in sheep and goats
- 12. Age varies by individual animal, breed, environment, and nutrition.< 1 1-2 2-3 3-4 > 4 Old Source for illustrations: Adapted from Vatta et al. (2005) Goatkeepers' Veterinary Manual.
- 13. Lamb – less than 1 year of age Baby teeth Milk teeth All temporary
- 14. Yearling (1-2 years) 1 pair
- 15. 2 to 3 year old 2 pairs
- 16. 3 to 4 year old 3 pairs
- 17. 4-5 years old – solid mouth 4 pairs
- 18. 7-8 year old – Solid mouth < 4 pairs
- 19. 10-11 year old broken mouth
- 21. Jawabnormalities
- 22. Another way to tell how old a sheep is Lamb, > 12 months 2 break joints Yearling, 13-24 monthsspool and/or break joints Mature sheep, > 2 years 2 spool joints
- 24. Ear tags
- 25. Tattoos
- 26. Ear notches
- 27. Electronic ID
- 28. Temporary
- 29. Neck chains or collars
- 30. Paint brands
- 31. Paint sprays
- 33. Ear tagging basics Proper restraint Proper placement
- 35. Tag clean, dry ears
- 36. Tag when humidity is low.
- 37. Use smaller tag
- 38. Avoid metal tags
- 40. Dip in iodine
- 41. Soak ear tags in alcohol or another disinfectant before inserting.
- 45. Scrapie ID
- 47. Registration tag
- 49. Affects central nervous system.
- 50. Animals over 18 months of age
- 51. Always fatal.
- 52. Member of a family of diseases called transmissible spongiform encephalopathy (TSEs).
- 53. Other TSEs
- 54. Mad cow disease
- 58. Few cases in goats in U.S.
- 59. A sheep’s genetics determines if it will get scrapie if it is exposed.
- 60. R gene - resistance
- 61. Q gene - susceptibility
- 63. Tattoo instead of ear tag A flock ID and individual animal number can take the place of an ear tag. A registration tattoo may also take the place of a tattoo if the animal accompanied by its registration paper.
- 65. The seller is required to tag the animal.
- 66. If the seller doesn’t provide a tag, tag the animal with another scrapie tag and record the seller’s name and address so you can prove the animal wasn’t born on your farm.
- 67. The sheep or goat loses its scrapie tag?