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Beyond the Bale : September 2011
September 2011 BEYOND THE BALE 34 ON-FARM FAST FACTS l AWI has a proactive and committed flystrike prevention research, development and extension (RD&E) program. l AWI supports all woolgrowers in their choice of best practice animal health and welfare control options to manage flystrike. Flystrike remains priority Breech flystrike prevention continues to be AWI's highest RD&E priority, with a large percentage of AWI's on-farm RD&E budget currently invested in this area. Since 2005 the company has increased its investment to find alternative ways to reduce reliance on surgical flystrike prevention. The projects are undertaken in collaboration with a variety of partners including State Departments of Agriculture, CSIRO, the Sheep CRC, universities, and commercial companies. Below is a summary of the RD&E effort and progress. Visit www.wool.com/flystrike for more information. OBJECTIVE CURRENT STATUS/ PROGRESS MADE BREEDING & SELECTION Identify the incidence of flystrike resistance in current population 10% of Merino animals estimated to be resistant to breech flystrike. Final Report delivered June 2010 Determine the relative importance of the four main breech traits (breech wrinkle, dags, breech cover and wool colour) and their association with flystrike Phase 1 (2005-2010) identifed the importance of the traits; Phase 2 (2010-12) is focused on generating more data to improve the overall accuracy Identify breech trait heritability and correlations with other important traits, to be used in the creation of ASBVs Trait heritabilities and genetic correlations with other important traits identified with Final Report delivered June 2010 and continues to be improved as more data is collected until June 2012 Produce and extend research prototype breeding values and ASBVs for main breech traits ASBVs for wrinkles were launched September 2009. ASBVs for dags and breech cover were launched November 2010 Research Breeding Values for wool colour and fleece character were launched November 2010 Development of further breeding tools or options by identifying unknown causes of flystrike Phase 2 (2010-12) is focused on generating more data to improve the overall accuracy and discover new tools Identify genomic associations with flystrike resistant traits Project commenced July 2011, Final Report due 2013 BREECH MODIFICATION DEVELOPMENTS Develop non-surgical breech flystrike prevention alternatives R&D for Clips completed and commercialised by Leaders Products. Clips available to growers since 2009 R&D into intradermal options of collagenase and cetrimide ceased in 2008. R&D into other intradermal options being pursued Accelerated R&D into intradermal option of Sodium Lauryl Sulphate (SkintractionTM) commenced 2008. Optimal concentration and many of the treatment and application variables to provide e ective results have been determined. R&D continues to improve consistency of results between sites Planning for the commercialisation phase and eventual registration of the intradermal compound by APVMA Welfare assessments conducted on non surgical alternatives. Ongoing welfare evluation Continue to investigate novel breech modification alternatives as they arise Develop a welfare-improved surgical procedure National Mulesing Accreditation Program (NMAP) training delivered nationwide to contractors and growers Commercial release of Tri-Solfen in 2006 by Bayer. Market figures indicate 60% of lambs mulesed were treated with pain relief in 2011. Ongoing R&D into improvements in pre and post operative pain relief treatments