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Proceedings of the 22nd Annual DAIRY SHEEP ASSOCIATION OF NORTH AMERICA SYMPOSIUM Ithaca, New York, USA 2 – 4 December 2016 Proceedings of the 22nd Annual DAIRY SHEEP ASSOCIATION OF NORTH AMERICA SYMPOSIUM 2 – 4 December 2016 Morrison Hall Cornell University Ithaca, New York, USA Organization and Sponsoring Department of Animal Science, Cornell University (www.ansci.cornell.edu) Dairy Sheep Association of North America (www.dsana.org/) Companies serving the North American dairy sheep industry i Symposium Organizing Committee Michael Thonney, Ithaca, New York, USA – Chair Bee Tolman, Cazenovia, New York, USA David Galton, Genoa, New York, USA Marie-Chantal Houde, Racine, Quebec, Canada Nancy Clark, Old Chatham, New York, USA Veronica Pedraza, Cazenovia, New York, USA Proceedings Editing and Compilation Michael L. Thonney, Ithaca, New York, USA Photographs on the Cover (clockwise from upper left) Black Pearl Creamery ewes near Trumansburg, NY Shadirah Shepherd milking ewes on the Cornell Campus, Ithaca, NY Northland Sheep Dairy ewes near Marathon, NY Old Chatham Sheepherding Company Products, Old Chatham, NY Shepherd’s Way LLC milking parlor, Lock, NY ii Table of Contents Symposium Organizing Committee ................................................................................................ ii Proceedings Editing and Compilation ............................................................................................ ii Photographs on the Cover ............................................................................................................... ii Program of Events........................................................................................................................... v Sponsors ........................................................................................................................................ vii VIRTUAL TOUR OF BLACK PEARL CREAMERY ................................................................. 1 Lauren and Kevin McKinzey (with Niko Kochendoerfer) VIRTUAL TOUR OF NORTHLAND SHEEP DAIRY ................................................................ 3 Maryrose Livingston and Donn Hewes SHEPHERD’S WAY LLC ............................................................................................................. 5 David and Sally Galton UPDATE ON SHEEP GENOMICS AND GENETICS ................................................................. 7 Christian J. Possbergh and Heather J. Huson ESTIMATING BREEDING VALUES FOR SHEEP: ESTIMATES OF GENETIC PARAMETERS AND TRENDS IN A CROSSBRED POPULATION OF DAIRY SHEEP ..... 10 Thomas W. Murphy and David L. Thomas IMPLEMENTATION OF GENETIC EVALUATION................................................................ 23 George R. Wiggans PARLOR DESIGN AND EQUIPMENT ..................................................................................... 26 Frank Welcome PREVENTION AND TREATMENT OF MASTITIS ................................................................. 30 Paul D. Virkler QUALITY MILK MANAGEMENT ............................................................................................ 34 Frank Welcom A GENETIC EVALUATION PROGRAM FOR DAIRY SHEEP IN CANADA: PRELIMINARY RESULTS FROM A PROJECT IN QUEBEC ................................................ 38 Johanne Cameron and Larry Schaeffer FERMENTABLE FIBER FOR MILKING SHEEP ON THE STAR SYSTEM ......................... 51 Nikola Kochendoerfer PREVENTION AND TREATMENT OF DAIRY SHEEP DISEASES ...................................... 57 Mary C. Smith iii DIGITAL NECROPSY EXAMINATION OF SHEEP AND GOATS ........................................ 65 Mary C. Smith FEEDING DAIRY SHEEP: NUTRITIONAL CHALLENGES AND OPPORTUNITIES......... 69 Antonello Cannas, Michael L. Thonney, and Mondina F. Lunesu INTEGRATED CONTROL OF INTERNAL PARASITES IN SMALL RUMINANTS ........... 81 tatiana L. Stanton and Michael L. Thonney SETTING UP A FARMSTEAD DAIRY ..................................................................................... 89 Rob Ralyea Recipients of the William J. Boylan Distinguished Service Award ............................................. 91 Locations and Chairs of the Organizing Committees of the Dairy Sheep Symposia ................... 91 Brief History of the Dairy Sheep Association of North America ................................................. 92 DSANA Presidents ....................................................................................................................... 92 Information from the Symposium Sponsors ................................................................................. 93 iv Program of Events Thursday 1 December 2016 Evening Informal get together – Ramada Inn Bar & Lounge Friday 2 December 2016 146 Morrison Hall unless otherwise specified 7:30 am Registration, coffee and breakfast items Rm 132 8:00 am Black Pearl Creamery slide show tour – Lauren McKinzey, Owner 8:30 am Northland Sheep Dairy slide show tour – Maryrose Livingston, Owner 9:00 am Leave for tour of Shepherd’s Way LLC 9:35 am Tour of Shepherd’s Way LLC – Dr. Dave Galton, Owner 11:15 am Board bus to return to Cornell 11:50 am Arrive back in Ithaca 12:00 pm Lunch & Trade Show Morrison Hall Foyer & Rm 348 1:00 pm Welcome Dr. Chris Watkins – Director of Cornell Cooperative Extension Dr. Patricia Johnson – Chairperson of Cornell Animal Science 1:20 pm Update on Sheep Genomics & Genetics – Chris Posbergh, PhD student, & Dr. Heather Huson, Animal Science, Cornell University 2:10 pm Estimating breeding values for sheep: Estimates of genetic parameters and trends in a crossbred population of dairy sheep – Dr. Dave Thomas, Animal Science, University of Wisconsin 3:00 pm Break & Trade Show Morrison Hall Foyer & Rm 132 3:30 pm Implementation of genetic evaluation – Dr. George Wiggans, USDA 4:20 pm Discussion of genetic evaluation (including semen importation) – Tom Clark, Dr. Dave Galton, and speakers 5:00 pm End of presentations for Friday 5:15 pm to Cheese and wine tasting, hors d'oeuvres 6:30 pm 348 Morrison Hall (dinner on Culinary Celebration of North American Artisanal Sheep Milk Cheeses. your own) Cheese tasting open to all Symposium attendees. v Saturday 3 December 2016 146 Morrison Hall unless otherwise specified 8:00 am Coffee and breakfast items Rm 132 8:15 am Parlor design and equipment – Dr. Frank Welcome, Animal Health Diagnostic Center, CVM, Cornell University 9:00 am Prevention and treatment of mastitis – Dr. Paul Virkler, Animal Health Diagnostic Center, CVM, Cornell University 9:45 am Break & Trade Show Morrison Hall Foyer & Rm 132 10:15 am Quality milk management – Dr. Frank Welcome, Animal Health Di- agnostic Center, CVM, Cornell University 11:00 am Factors affecting cheese quality – Veronica Pedraza, Meadowood Farms 12:00 pm Lunch, Trade Show, & DSANA business meeting Morrison Hall Foyer & Rm 348 1:30 pm GenOvis for Recordkeeping – Johanne Cameron, Le Centre d’exper- tise en production ovine du Québec 2:15 pm Recordkeeping: Producer panel experiences – Laurel Kieffer, Mary- rose Livingston, and others 3:00 pm Break & Trade Show Morrison Hall Foyer & Rm 132 3:30 pm Fermentable Fiber for Milking sheep on the STAR system – Nikola Kochendoerfer, Graduate Student, Animal Science, Cornell University 4:30 pm Free time 5:30 pm Social time Morrison Hall Foyer & Rm 132 6:00 pm Banquet 348 Morrison Hall Sunday 4 December 2016 146 Morrison Hall unless otherwise specified 8:45 am Coffee and breakfast items Rm 132 9:00 am Prevention and treatment of dairy sheep diseases – Dr. Mary Smith, Ambulatory and Production Medicine, Cornell University 10:00 am Break & Trade Show Morrison Hall Foyer & Rm 132 10:30 am (must be Sheep necropsy demonstration (limited to 40 participants) College pre-registered) of Veterinary Medicine Pathology Amphitheater – Dr. Mary Smith, Ambulatory and Production Medicine, Cornell University 10:30 am Feeding Dairy Sheep – Drs. Antonello Cannas, Animal Sciences, Uni- versity of Sassari, Italy & Mike Thonney, Animal Science, Cornell Uni- versity 12:00 pm Lunch & Trade Show Morrison Hall Foyer & Rm 348 1:00 pm Integrated control of internal parasites – Dr. tatiana Stanton, Animal Science, Cornell University 2:00 pm Setting up a Farmstead Dairy – Rob Ralyea, Food Science, Cornell University 3:00 pm Tour of Food Processing and Development Laboratory (Pilot Plant) Stocking Hall – Rob Ralyea, Food Science, Cornell University 4:00 pm Safe travels home vi Sponsors Platinum Hamby Dairy Supply 2402 S Water St Maysville, MO 64469, USA http://hambydairysupply.com/xcart/home.php?cat=17 Gold Biotic Industries, Inc. 147 Edd Joyce Rd Bell Buckle, TN 37020, USA http://www.biotic.com/ EZ Animal Products 27 6th St. South Humboldt, IA 50548 http://www.udderlyez.com/ Land O’Lakes Animal Milk Products Co. 1080 County Road F West Shoreview, MN 55126, USA http://www.lolmilkreplacer.com/ Meadowood Farms 5157 Ridge Road Cazenovia, NY 13035 http://www.meadowoodfarms.com/ Shepherd’s Way LLC and Old Chatham Sheepherding Creamery 623 Bird Cemetery Rd Locke, NY 13092 https://www.oldchathamsheepherding.com/ 2016 sponsors are gratefully thanked for their generous support of the 22nd Annual Dairy Sheep Association of North America Symposium and for their interest and support of the North American dairy sheep industry. The symposium would not be possible without the financial support of these sponsors. Please support these sponsors as you purchase sheep milk products, or equipment, supplies, and services for your dairy sheep farm or sheep milk processing facility. vii VIRTUAL TOUR OF BLACK