Ear neck shoulder back loin rump tail Ham

ลกษณะรปราง Ear neck shoulder back loin rump tail Ham eye face Stifle Jowl Hock front leg knee Fore rib fore flank Rear leg Belly rear flank Dew Claw pastern Forearm Foot

Evaluating Structure! LEVEL DESIGN

Evaluating Volume! RIB SHAPE DEPTH OF BODY WIDTH OF CHEST LENGTH OF BODY

Evaluating Muscle! LOIN OR TOP HAM STIFLE WIDTH OF BASE FOREARM

Evaluating Fat! TAILHEAD LOIN EDGE RIBS SEAM OF HAM FLANK & ELBOW POCKET JOWL

Reading Top Shape BF =. 90 inches

Reading Top Shape BF = 1. 5 inches

Reading Top Shape BF =. 20

การคดเลอก • คดเลอก conformation growth carcass reproduction

ขอมล • data + relevancy + purpose = information • information + insight = understanding • understanding + communication = intelligence • intelligence + activity = effectiveness

Mass Selection SIRE No. ADG FCR BF LENGTH GIRTH HEIGHT LOIN INDEX 1 943. 5 2. 22 1. 01 106. 6 99. 1 60. 2 5. 37 103. 80 2 918. 1 2. 23 0. 93 105. 7 98. 7 60. 0 5. 55 103. 60 3 971. 6 2. 16 0. 93 107. 8 97. 0 64. 4 4. 97 105. 02 4 1045. 7 2. 14 0. 95 109. 7 99. 3 64. 3 5. 57 106. 04 5 988. 0 2. 08 0. 89 108. 0 98. 0 59. 8 4. 93 106. 39 6 913. 1 2. 25 0. 91 107. 0 97. 4 61. 1 5. 35 103. 36

Family Selection Animal Sire Dam Index 1 2 3 4 5 6 RC 1 L 1728 RC 1 L 1702 RC 1 L 1680 RC 1 L 1526 112 110 105 102

Progeny Selection SIRE No. 4688 7035 7888 7925 8682 n 6 8 9 6 8 ADG 918. 9 897. 7 943. 5 971. 6 913. 1 FCR 2. 45 2. 38 2. 22 2. 16 2. 25 BF INDEX 0. 98 100. 56 0. 91 101. 54 1. 01 103. 80 0. 93 105. 02 0. 91 103. 36

Pedigree Selection ANIMAL SIRE DAM RC 1 N 2513 7925 1702 RC 1 N 2548 7888 1526 RC 1 N 2599 8682 1972 RC 1 O 2744 7035 1526

Duroc Originated in the USA from three different locations; Iowa, New York, & New Jersey Yellowish to Red in Color No Markings, Solid Color Photo: National Swine Registry Ears are Drooping Good Carcass Quality

Landrace Originated in Denmark White (all white) in Color Ears are Large & Drooping Very Long Bodied, some even have an extra pair or set of ribs Photo: National Swine Registry Very Prolific Sows Excellent Milkers

Yorkshire Originated in England White (all white) in Color Ears are Erect Good Carcass Quality Prolific Photo: Unknown Source Excellent Milkers Has become known as “The Mother Breed”

วธการคดเลอก Tandem Method Animal ADG FCR BF 1 750 2. 25 1 2 800 2. 29 1. 15 3 850 2. 325 1. 05 4 1200 2. 59 1. 3 5 1100 2. 520 1 6 1000 2. 440 1. 15 7 900 2. 365 0. 9

วธการคดเลอก Independent Culling Level ADG>800 FCR<2. 4 BF<1. 1 Animal ADG FCR BF 1 750 2. 25 1 2 800 2. 29 1. 15 3 850 2. 325 1. 05 4 1200 2. 59 1. 3 5 1100 2. 520 1 6 1000 2. 440 1. 15 7 900 2. 365 0. 9

วธการคดเลอก Selection index =100+(10*(ADG-800)/1000)-13. 13*(FCR-2. 3)-2. 94*(BF-1) Animal ADG FCR BF index 1 1 750 2. 25 1 100. 16 2 800 2. 29 1. 15 99. 69 3 850 2. 325 1. 05 100. 02 4 1200 2. 59 1. 3 99. 31 5 1100 2. 520 1 100. 11 6 1000 2. 440 1. 15 99. 72 7 900 2. 365 0. 9 100. 44

Selection intensity คาความเขมของการคดเลอก %P i selection response 10% 1. 755 2. 439 20% 1. 400 2. 134 40% 0. 966 1. 683 80% 0. 350 0. 610

Selection response

Data for response of selection Item Average Standard Deviation heritability Selection Intensity M Selection Intensity F response M response F Average response ADG FCR BF BA 817 108 0. 30 1. 755 0. 966 2. 47 0. 30 0. 35 1. 755 0. 966 1. 04 0. 25 0. 45 1. 755 0. 966 8. 55 1. 33 0. 10 1. 755 0. 966 55 36 45 0. 19 0. 10 0. 14 0. 17 0. 12 0. 15 0. 30 0. 13 0. 22

ผลตอบสนองการคดเลอก genetic Genetic line after selection Random mating Equilibrium of genetic (no selection) G 1 G 2 G 3 G 4 G 5 G 6 G 7 generation

ผลตอบสนองการคดเลอก Long term selection genetic Selection limited Plateau of selection response G 1 G 2 G 3 G 4 เมอทำการคดเลอกไปเรอยๆ G 10 G 20 G 30 selection response จะเรมคงท

Import new population genetic import Relaxation of selection limited generation

Conclusion • • • What? When? Why? Where? How?

Don’t forget • • • Genetics Nutrition Management Environment Economics Health

Thank you for your attention Visan Srisuriya