CONTENTS xi 



CHAPTER XXIV 



Pago 



The Mule 248 



_ Mule a hybrid— History — Mule in America— Character- 

 istics of the mule— Endurance of the mule— Distribution- 

 Organizations. 



CHAPTER XXV 



Principles of Horse Breeding 252 



Variations in horses— Causes of variation— Selection— 

 Heredity— Prepotency— Fertility — Sterility — Systems of 

 breeding. 



CHAPTER XXVI 

 Practical Horse Breeding 263 



Number of horses produced— Conditions favorable to 

 horse breeding — Practical plan for breeding horses — Co- 

 operative horse breeding — Selection of animals for horse 

 breeding — Uniformity. 



CHAPTER XXVII 



The Brood Mare 274 



Care of brood mare — Productive period — Breeding two- ^ 

 year-old fillies — Spring and fall foals — Barrenness — Abor- 

 tion — The pregnant mare — Working — Feeding — Gestation 

 period — Foaling time. 



CHAPTER XXVIII 

 The Foal 287 



Ailments of the young foal — Feeding— Weaning-^Man- 

 agement of the weanling — Care of feet — Castration of 

 male foals. 



CHAPTER. XXIX 



Practical Mule Breeding 295 



Number of mules produced — Breeding Jacks and Jen- 

 nets — Selecting breeding stock — Raising a mule — Breed- 

 ing Jack — Mule breeding — Selecting mule — Breeding stock. 



