• 1.1 Determining the Causes of Abnormalities
• 1.2 Type of Genetic Mechanisms
• 1.3 Simple Genetic Inheritance
• 1.4 Multigenic Inheritance
• 1.5 Genetic Liability
• 1.6 Experimental Evidence
• 1.7 Important Genetic Abnormalities
• 1.8 Scrotal Hernia
• 1.9 Umbilical Hernia
• 1.10 Atresia Ani
• 1.11 Cryptorchidism
• 1.12 Hermaphrodites
• 1.13 Nipple Abnormalities
• 1.14 Tremors
• 1.15 Neonatal Diarrhea
• 1.16 Leg Defects
  • 1.16.1 Splayleg
  • 1.16.2 Small inside toes
  • 1.16.3

…

• 1.1 Introduction
• 1.2 Need for Specialized Sire and Dam Lines
• 1.3 Selection Objectives
• 1.4 Selection for Production and Reproduction
• 1.5 Selection Indexes
• 1.6 Differences in Selection Schemes
• 1.7 Summary

Originally published as a National Swine Improvement Federation Factsheet.

Authors: Archie C. Clutter, Monsanto-DeKalb, St. Louis, MO; Allan P. Schinckel, Purdue University, W. Lafayette, IN.

Reviewers: Thomas Rathje,Danbred USA, Seward, …

• 1.1 Introduction
• 1.2 Objectives
• 1.3 Reasons for Female Removal
• 1.4 Genetic Aspects of Female Longevity
• 1.5 Using Genetics to Enhance Female Longevity
• 1.6 Summary
• 1.7 References

Originally published as a National Pork Board Factsheet.

Authors: S. J. Moeller, The Ohio State University; K. J. Stalder, Iowa State University

Reviewer: Jodi Sterle, Texas A&M University

Introduction

Longevity of …

Contents 1 Inbreeding in Swine 1.1 Genetic and Phenotypic Effects 1.2 Measurement of Inbreeding 1.3 Measurement of Relationship 1.4 Inbreeding Depression in Swine 1.5 Effect of Inbreeding in a Seedstock Herd 1.6 Avoidance of Inbreeding 1.7 Uses of Inbreeding 1.8 Linebreeding

Inbreeding in Swine

Originally published as …

• 1.1 Introduction
• 1.2 Breeding Values and Progeny Differences
• 1.3 Heritability
• 1.4 Genetic Correlation
• 1.5 Implications

Originally published as a National Swine Improvement Federation Factsheet.

Authors: Joe Cassady, North Carolina State University, Raleigh, NC; O. Wayne Robison, North Carolina State University, Raleigh, NC

Reviewers: Rodger K. Johnson, University of Nebraska, Lincoln; James Schneider, Babcock Swine Inc., Holmen, WI.

Introduction

The …