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ACKNOWLEDGEMENTS
PREFACE
I.INTRODUCTION
II.GENETIC PRICIPLES
Genetic progress through selection
Breeding value and expected progeny differences
Predicting genetic progress
Selection indexes
III.ON-FARM PROGRAMS
Procedures
Base program
Within-herd EPD programs
Across-herd EPD programs
Commercial program
Selection indexes
Health program
Merchandising
IV.EVALUATING MARKET HOGS USING A LIVE-PRODECTION TO CARCASS-MERIT APPOACH
General considerations
Steps to determine pounds of quality lean pork gain per day on test
Production information
Transforming the hog to pork
Carcass information
Equations to predict composition
V.CENTRAL TEST PROGRAMS
Entry requirements
Health program
Testing procedures
Recommended indexes
Reports
Sale qualifications
VI.POST-TEST MANAGEMENT OF BREEDING STOCK
Post-test management of boars
Post-test management of gilts
Management of newly purchased breeding stock
Evaluating boar reproductive soundness
Minimum breeding ages for boars and gilts
VII.REFERENCES
VIII.APPENDIXES
A.Nutrition
Nutrition for optimal performance
Nutrent recommendations
B.Ear Notch System
C.Segregated Early Weaning
D.Live Evaluation
Genetic abnormalities
Structural soundness
Underline soundness
Porcine stress syndrome
E.Selection indexes
Parameter estimates
Economic values
Calculation of economic values
Analysis procedures for calculating indexes
Example calculations for indexing pigs
F.Glossary