Genetics of Resistance to Haemonchus contortus infections in sheep

........................................................................................................................................ 17 Introduction ................................................................................................................................... 17 Materials and Methods .................................................................................................................. 18 Animals, management and experimental design....................................................................... 18 Data analysis ............................................................................................................................. 19 Results ........................................................................................................................................... 20 Ewes .......................................................................................................................................... 20 Lambs . ..................................................................................................................................... 21 Discussion ..................................................................................................................................... 22 Conclusions ................................................................................................................................... 23 Literature Cited ............................................................................................................................. 24 CHAPTER 3. Inheritance of fecal egg count, packed cell volume, and body weight, and their relationship with production traits in sheep infected with Haemonchus contortus ......................................................................................... 36 Abstract ......................................................................................................................................... 36 Introduction ................................................................................................................................... 36 Materials and Methods .................................................................................................................. 37........................................................................................................................................ 36 Introduction ................................................................................................................................... 36 Materials and Methods .................................................................................................................. 37 Animals, management and experimental design....................................................................... 37 Data analysis ............................................................................................................................. 38