CXDNTENTS ix 



Page 



1. Chemical Examination 134 



a. Determination of Albumen, Fat, Nitrogen-free Extract, 



Crude Fiber, Salts and Water 134 



b. Determination of Sand, Lime, Infusorial Earth, Barite 



and other minerals 134 



c. Determination of Corn cockle, Ergot, etc., in Meals by 



means of Vogl's Reagent 134 



d. lodin-Starch Reaction 134 



e. Testing Spoiled Feeding Stuffs 134 



2. Biological (serological) Examination 135 



3. Microscopical Examination . 136 



Preparation of Feeding Stuffs for Microscopical Examination 136 



Examination for Starch Grains .137 



Examination of By-Products Containing Shells, Hulls, Skins, 



etc 141 



a. Meals, and Brans of Rye, Wheat, Barley, Corn and Oats 142 



b. By-Products of Oil Production 143 



c. Leguminosae 144 



d. Adulterations (rice chaff, stone fruit pits, saw dust, 



screenings, seeds of weeds, corn cockle, castor beans, 

 etc.) 144 



4. Bacteriological Examination 147 



CONTENTS 



SECTION II 



Principles of Nutrition and Feeding 



A. General Matter 148 



Insufficient Nutriment, Overfeeding, Complete Feeding Stuffs, Basal 

 Feeding Stuffs, Supplemental Feeding Stuffs and By-Feeds . . .148 



Concentrates, Roughages, Organic Feeding Stuffs, Combustibles and 

 Fuel Value, Maintenance and Production Rations, Assimilation and 



Utilization 149 



I. Nutrient Requirements . ISO 



1. Assimilation and Utilization 150 



2. Organic Nutrients 151 



3. Inorganic Nutrients 154 



4. Testing Feed Utilization and Assimilation 161 



II. Calculation of Feeding Rations and Feeding 164 



B. Special Feeding 173 



I. Maintenance Feed (For Oxen and Wool-producing Sheep) . . 173 

 II. Rations for Work Animals 175 



1. For Oxen 176 



2. For Horses 177 



III. Rations for Growing Animals 179 



1. Rations for Colts 182 



2. Rations for Calves 183 



3. Rations for Lambs 188 



4. Rations for Pigs 190 



IV. Fattening Rations for Mature Animals 193 



1. Fattening Rations for Mature Ruminants . . . . . .194 



2. Fattening Rations for Mature Swine . . . ' . . . .198 

 V. Rations for Dairy Animals 198 



1. The Influence of Feed on Milk Secretion 199 



2. Standardization of Rations for Cows 201 



3. Rations for Goats 204 



VI. Rations for Dogs 205 



VII. Poultry Feed 207 



1. Feeding Chickens 207 



2. Feeding Ducks 212 



