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Beyond the Bale : December 2012
38 38 38 on-Farm December 2012 Beyond the Bale Merino Superior Sires No. 18 has been released and is available in hard copy and from the Merino Superior Sires website www.merinosuperiorsires.com.au Merino Superior Sires No. 18 contains the results of sires evaluated at 11 central test sire evaluation sites across Australia over the past five years (2007 to 2011 drops). These sites include New England (NSW), Macquarie (NSW), Bluechip Livestock Temora (NSW), South West Regular updates are available at: www.merinosuperiorsires.com.au Central Test Sire Evaluation Results NUMBER 18 – 2012 | 2007 – 2011 Drops SiNcE 1989 1. New England 2. Macquarie 3. Elders Victoria 4. North EastVictoria 5. Yardstick 6. Tasmania 7. The Queensland cTSE 8. Bad gin gar ra 9. South WestSlopes 10.Longreach 11.BluechipLivestockTemora 2 4 3 5 8 6 7 9 11 10 1 deta i leds i tereportsforeverys i reava i lableonl i ne Mer ino Superior Sires 18 released Fast Facts l The latest version of Merino Superior Sires was released in November. l Site reports that provide detailed results for each site are available online. Slopes (NSW), Elders Victoria, North East Victoria, Yardstick (WA), Badgingarra (WA), Tasmania, Bollon (Qld) and Longreach (Qld). Individual Site Reports can also be found on the Merino Superior Sires website under “CTSE sites and reports” . New features in this edition of Merino Superior Sires include details on: • Three new MERINOSELECT indexes • Genomic Breeding Values for Poll/ Horn • Top 50 sires ranked on Index over the past five years for each of the three indexes • Individual results of the 238 sires evaluated at each of the 11 breeder managed Central Test Sire Evaluation sites. An all time (1989-2011 drops) “Top 50” sire list for each index can also be found on the Merino Superior Sires website. More information: www.merinosuperiorsires.com.au For hard copies of the Merino Superior Sires No. 18, contact the Executive Officer of the Australian Merino Sire Evaluation Association, Ben Swain, on 0427 100 542 or firstname.lastname@example.org merino superior sires no.18 was released in november. the docking of lambs’ tails reduces the life-long susceptibility of sheep to breech strike, dags, shearing cuts and grass seed infection. The move back to unmulesed sheep has resulted in some producers questioning the current recommendation for tail length. The current recommendation is to dock the tail of ewe lambs, “ immediately below the third palpable joint” (the so called medium-long tail) and “males can be docked one joint shorter”. This results in the healed tail protecting the anal region and extending to the tip of the vulva in ewes. The tail length recommendation is largely based on a series of research trials in the 1930s and 1940s at five “low dag” sites from Central NSW to Cunnamulla, on over 10,000 unmulesed sheep and Tail length literature review Fast Facts l A literature review of over 30 publications on tail length since the 1930s is on the AWI website. l The current recommendation is to dock the tail of ewe and ram lambs, “immediately below the third palpable joint” (the so called medium-long tail). from trials in the 1970s using mulesed sheep. This research revealed that the best protection from breech strike and shearing cuts was obtained by docking the tails immediately below the third palpable joint. Docking the tails of unmulesed sheep at the second joint or shorter resulted in an inferior result, with these sheep experiencing two to three times the rate of breech strike as sheep with the recommended length. Short length tails took longer to heal and were more likely to be infected. Nearly all the tail length trials were conducted in low-dag country. A literature review of over 30 publications on tail length since the 1930s is on the AWI website www.wool.com More information: www.wool.com recommended ewe tail length on a "skintracted" sheep