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pucksfurcoat

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  1. Thanks everyone for your thoughtful responses!
  2. A few more questions... I understand that the handler treats the chute entrance as the gate to a pen (although they cannot step out of the quadrant). So how does the handler influence the sheep not to turn 90 degrees at the midpoint if they cannot "block" that part of the chute? If the handler cannot step outside the quadrant, or stick a crook out - seems like it would be very difficult to influence the sheep. The dog can go to the opposite chute opening (at the side) and put pressure on the sheep, but the handler cannot step out - right? Also, the sheep cannot easily turn around in the chute, so are you typically "toast" if they make a 90 degree turn after entering? Thanks~ Sonja
  3. Thanks so much for all the great info! Sonja
  4. I would appreciate some help understanding options for Maltese Crosses. Read some old posts from 2007 which were very informative. However, I'm still unclear on exactly how they are performed. For the sake of discussion, let's say the cross is set up with the panels oriented N-S and W-E. Let's assume the panels are 8 ft long and set about 3 feet apart - seems to be the "norm". There seems to be consensus that the Cross is located after the last drive panel. Seems the most reasonable attempt plane is at the opposing end of the chute entrance chosen by the handler. Correct me if I'm wrong up to this point. OK, now - the handler choses a quadrant to stand in - what are the boundaries? Do they have to stay in that quadrant until the obsticle is completed? The sheep are required to go "straight" through - right? In this case either through the N-S chute or the E-W chute? Does the handler control one of the "side" openings and the dog the other? Can't picture how this happens, especially on the handler's part. Do the sheep have to then, upon exit of either the N-S chute or the E-W chute have to them complete the chute in the other direction? When scoring, is a Cross like the pen where all the sheep must go through, or is there a point deduction if some of the sheep miss? What is the total point value on the cross? Does the Cross take the place of a shed, or is it in addition to the shed? Thanks in advance for educating me! Sonja
  5. Anadune allows and encourages individuals to enter Border Collies into the database, with no regard to their ancestry. They do populate it to a certain extent, but also rely on others, and they do verify information. For untested or unreported testing on dogs, they use the information available to calculate the probability of health status. Lots of good information is available - pedigree, health test results, color, test matings (including COI), etc. It is an amazing reference tool - kudos to Judit for developing it! Sonja
  6. Got it! So mjk05 - can you clarify that you meant a 30% TNS carrier rate for the tested working dog population in Oz, or for all tested Border Collies in Oz? Based on the results reported on the BC Health Site (incomplete data set as it is voluntary self reporting), roughly 20% of all tested dogs have been TNS carriers. I'm sure Alan Wilton could provide more accurate info. I agree - great thread. Sonja
  7. No right or wrong way to handle this issue, except to ignore it. Personally, I would look very carefully at the pedigree of both the Sire and Dams and compare to those of known TNS carriers, talk with the breeders of the Sire & Dams about related dogs regarding any similar issues, consult with a knowledgeable vet, gather as much information about the presentation of symptoms in the affected litters, consult with Alan Wilton regarding the symptoms if they suggest TNS, then make an educated decision about whether to test the Sire and/or Dams for TNS. The test is pretty reasonable. You can collect the sample yourself and submit, cost is about $85 USD. Sonja
  8. Hi Mark, I think I missed something in this lengthy discussion - what is the rationale for using a 30% carrier rate? Thanks! Sonja
  9. I know some people who had TNS litters before the test, one who contributed greatly to the development of the genetic test. It is a heartbreaking experience - sometimes the pups live for a few months, ocassionally even longer, and they are very very sick.
  10. TNS is a lethal disease. Dogs do not survive to reproduce.
  11. For folks who might be interested in this issue, these are a few more dogs with no Oz/NZ show lines that have tested as TNS carriers (none located in the USA). Thanks to the owners of these dogs for reporting test results. Someone mentioned earlier that Alan Wilton worked for a University and does not profit from TNS testing - this is correct. He is a scientist devoted to research and has done some wonderful work - hopefully more to come on some other issues. Sonja Amazing Troya From Stone Gardens NHSB.2569575 Croxlea Catalina KC-AE01974205 Gail Fan E'Rispinge NHSB.G1-2394022 Henniker Spyro ISDS.259652 Highfield Hazza Chance ISDS.256923 Highyews Jaro At Tagnyre KC-AE0901654 ISDS.27164 Locheil Chasing Rainbows SB#.2805CG Red Spotted Loneliness Of In And Out ZBrH.7838 Thunder Storm Over Tosari [uK] KC-Y5038501Z01 Wintertime Coast ISDS.306261 / KC-AL0901346 Boylee Barney WA.AA1152
  12. Anadune requires an account so they can track and verify database entries. It's a great reference tool, especially for those that do not have the time or inclination to maintain their own database. Sonja
  13. There are Border Collies reported by OFA to have elbow dysplasia - you can easily search their website for those results. Kudos to those folks who are willing to share that information. There are also certain lines that seem to produce elbow dysplasia. Just like hips, many of the occurances are not reported to OFA. I seem to hear more about it in sport dogs, but that could be because of the high level of activity in those dogs, or perhaps that population tests more frequently for elbow dysplasia. Not saying it is a "breed issue", but it is known to occur. Sonja
  14. This dog was recently reported by owner to be a TNS carrier: Wintertime Coast (ISDS 306261). There are also dogs of 100% UK lineage, some of them ISDS dogs and considered by some to be UK "show lines" that are TNS carriers. Cheers, Sonja
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