Table of Contents 



IX 



The cost of feeding the sow and litter from farrow- 

 ing to weaning time 



91-95 



CHAPTER V 



SIZE OF LITTERS; BIRTH WEIGHT OF PIGS; MILK-FLOW 



OF Sows . 96-116 



Size of litters 96-107 



Age of sow 96-100 



Feeding and condition of the sow . . . 100-101 



Cross-breeding 101-102 



Influence of the boar 102-103 



Type, breed, individuality 104-105 



The number of pigs raised 105-107 



Birth weight of pigs 107-113 



Sex 107-108 



Age of sow 108-110 



Cross-breeding 110 



Size of litter Ill 



Vigor of sow and boar at breeding time . . 111-112 



Nutrition . 112-113 



Milk production of sows 113-116 



CHAPTER VI 



THE SUMMER FEEDING AND MANAGEMENT OF THE 



BREEDING HERD 117-127 



Feeding and management of the pregnant sows . 117-122 



Number of litters in a year .... 117-119 



Feeding and management 119-122 



Feeding and management of the open sows . . 122-124 



Fattening the culls ...... 122 



Feeding and management of the open brood sows 123 

 Feeding the yearling sows . . . . .124 



Cost of summer feeding sows 124-127 



Bred sows . 124-126 



Open mature sows ...... 126-127 



Open yearling sows 127 



