1/16/2019 Dairy Sheep Genetics Project Goals Improvement Project ◦ Develop systematic approach to gathering sheep dairy production data ◦ Develop the means for developing 2018 Update estimated breeding values within and across dairy flocks and across breed ◦ Develop a means for producers to have a valid and accurate means for selection of replacement and sale stock ◦ Track genetic improvements resulting from semen importation ◦ Improve sheep dairy production and components across North America EBV Participation Tiers What is an Estimated Breeding Value? Measurements calculated to determine the F1 offspring of Item Tier 1 Tier 2 Tier 3 semen heritability of individual traits or the amount of importation Farm Enrollment -- Complete enrollment form with payment to DSANA X X X X influence that genetics have on that specific trait. Ewe flock entry: animal ID (must follow protocol), date of birth, dam, sire, breed X X X X Incorporates: Individual traits, contemporary type, litter size, birth weight, lactation number, age of first lambing, lambing date(s). Ram entry: animal ID (must follow protocol), date of birth, dam, sire, breed type, groups in their environment, pedigree, and genetic X X X X litter size, birth weight, 50 day weight. Lamb entry: animal ID (must follow protocol), date of birth, sex, litter size, birth links X X X X weight, 50 day weight, management codes, disposal codes. Individualized milk weights gathered a minimum of 5 times per ewe per lactation. Used to identify genetically superior animals in the Collection protocols vary by Tier (see milk collection standard operating X X X X procedures). flock in order to pass the best genetics on to Individualized milk samples collected a minimum of 5 times per lactation. Milk sample composition analysis to be conducted by DHIA certified laboratory. X X future members of the flock Analysis to include at a minimum: True protein, butterfat, total solids, lactose, somatic cell count. Allows buyers to know what genetics they are Individualize milk samples analyzed for MUN-protein and BHB-nutrition-ketosis X through a DHIA certified laboratory. buying and to compare the genetic merit of rams Single sire mating and/or DNA blood cards used with multiple-sire breeding to X X determine parentage. or ewes DNA blood cards collected on lambs and sires for future genetic analysis. Cards X will be logged and stored in a central repository. X Dairy conformation and udder morphology rating. Allows for productivity improvement and Animal health and disease testing and assurances for OPP, Scrapie, Brucellosis Ovis, X Johnes. increased profitability Russel Burgett, NSIP, Estimated Breeding Values: How they are calculated and what it means to producers. 1
1/16/2019 Why Rocky Mountain DHIA Coordinating efforts for good results Resources and Organizations providing insight Benefits and counsel Our starting point National Dairy Herd Improvement Uniform testing procedures and results Association across flocks American Dairy Goat Association Reasonable cost per animal for producer International Committee for Animal Challenges Recording (ICAR) https://www.icar.org/ Costs of shipping to Utah GenOvis Timely data entry and shipping Rocky Mountain DHIA (Wellsville UT) 2018 Pilot Farms Participation Requirements Meadowood Farms – NY DSANA membership Tin Willows Sheep Dairy and Ranch – OR Farmed enrolled in USDA Scrapie Program Green Dirt Farm – MO Must submit a minimum of three, Forever Young Dairy – WI preferred five test day results Whispering Pines – SC All recipients of semen through the DSANA Genetics Improvement Project are expected to participate. 2
1/16/2019 Participation Process Breed Codes Farm Enrollment Form -- USA$300 paid to DSANA American Dairy Sheep (> 87.5% EF X CU Cross - Adult animal enrollment DX at least three generations) Lamb enrollment Monthly milk testing (volume in pounds) AX Assaf (>87.5%) Monthly recording of components (vials sent to RMDHIA) WA Awassi (>87.5%) Transcribe RMDHIA results to GenOvis BM spreadsheet British Milk Sheep (>87.5%) Data returns provide in-flock ratings, and ultimately EF East Friesian (>87.5%) estimated breeding values calculated across breeds CU Lacaune (>87.5%) Use data returns for determining flock replacement and breeding strategies XXX Other Crosses of dairy/other sheep Farm Enrollment Adult Animal Enrollment DHIA Animal ID Farm Animal Number Farm of Origin Animal Date of birth Lactation Lambing Litter Size Control Code + year+ Sex (M, Retained Scrapie ID Breed (yyyy-mm-dd) Number Date (1-5) Number* number F) Lambs 1600 WI39 WI39-BD-9746 DX 2014-02-07 F 3
1/16/2019 Lamb Enrollment Milk Test Day Worksheet Farm Mngmt Mngmnt New Lamb ID Dam ID Dam Barn Sire ID Sire Barn Name Lamb DOB Sex Litter Raised Farm ID (Farm Scrapie Year yyyy Group Name (yyyy-mm-dd) F,M,W Size As - Scrapie ID) AM or PM Test Date Start time End Time Bulk Tank Start Bulk Tank End ID Code* Code Milk Sample 1 We will use pounds for all U.S.A. testing. Pounds decals can be Milk Sample 2 ordered from your meter vendor. DHIA Control Sample 1 Sample 1 Sample 2 Sample 2 DSANA ANIMAL ID Notes Number* Vial # Weight Vial # Weight GenOvis Milk Production Form GenOvis Flock Information Returns Preliminary data received this week from GenOvis for four pilot farms. Farm ID (Farm Scrapie ID) Previous Three Milking Times Estimated breeding values for production, Bulk Tank Bulk Tank Test Date Start time End Time Start Pounds End Pounds Date Start Time End Time Milk Weight 1 fat, protein, MUN, and persistence. Milk Weight 2 EBV are based on the breed population FAT % PROTEIN %LACTOSE %LACTOSE Bulk Tank Sample Results indicated on the animal enrollment form. Is this milk test-day being supervised by a certified technician or someone else? Yes or No GenOvis is working to develop a flock Milk Milk selection tool that takes into ROPID (If available) ANIMAL ID W1 - Fat % W1 - PROT% W1-Lactose W1-SNF W1-Total Solids W1-SCC Weight 1 Weight 2 consideration all data gathered. We still have many details to work out. 4
1/16/2019 Measurement Means (2018) Preliminary Result Example 220j Milk Yield (kg) 220j Fat Yield (kg) 220j Protein Yield (kg) Trait Mean EBV Acc. % EBV Acc. % EBV Acc. % Colonne6 Colonne7 Colonne8 Colonne9 Colonne10 Colonne11 Colonne12 Colonne13 Colonne14 24 hours 1.64 4.16 19 65 0.16 17 65 0.17 17 66 -6.70 19 47 -0.43 17 48 -0.42 17 44 31.93 41 91 1.72 36 91 1.71 36 93 Fat % 5.67 21.06 41 84 1.52 36 90 1.16 36 87 -57.11 44 1 -3.24 40 1 -2.80 40 2 Protein % 4.84 0.50 44 60 0.34 40 70 0.45 40 73 23.44 41 86 1.46 36 89 1.12 36 86 Lactose % 4.75 -5.63 27 49 -0.41 26 49 -0.43 26 44 -40.25 41 6 -2.09 36 8 -1.92 36 7 -5.08 24 50 -0.47 23 46 -0.20 23 53 66.10 44 99 3.16 44 98 3.48 44 99 WHAT WE’RE Panelist Perspectives LEARNING – PILOT Challenges and successes while inputting PROJECT data: PERSPECTIVES ◦ Animal enrollments ◦ Milk production data What did you learn about your flock? Eliza Spertus, Green Dirt Farm, MO What words of wisdom can you share? Persephone Allen, Forever Young Dairy, WI Quincy Wool, Meadowood Farm, NY 5
1/16/2019 Enroll Now! Thank EWE! 2019 Involvement Starting now – 2019 plan of action USA$300 per farm made out to DSANA Contact: (CA$228+DSANA management fee) ◦ Laurel Kieffer, Start animal enrollment Genetics ◦ Farm Scrapie ID + Year code + unique animal number Improvement (scrapie tag number) ◦ Sire/dam/DOB/Litter size Project Manager Obtain access to meters (TruTest, Waikato, in-line, ◦ kieftl@tcc.coop etc.) Prepare for January start-up. Review milk testing procedures and order vials from RMDHIA Update adult enrollments (ewes and breeding rams) Enter lambing data 6
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