326 



INDEX 



Inspection of dairy farms, 126 

 Interstitial mastitis, 109 

 Intestinal tuberculosis, diagnosis 



of, 95 

 Involution, 2 



Lactalbumin, 16 

 Lactation, physiology of, 1 



stages of, 3 

 Lactoglobulin, 16 

 Lactometer, Quevenne's, 228 

 Lactose, 18 



test for, 301 

 Lactoscope test, 239 

 Leach's test, 259 

 Legal standards, 23, 24, 25 

 Leucocytes, estimation of num- 

 ber, 281 



" Letting down," 7 

 Litmus test, 254 



Malt-like taste and odor, 71 

 Manure-like odor, 30 

 Mann's acidity test, 254 

 Market milk, classes or grades 



of, 45 



composition of, 22 

 frequency of tubercle ba- 

 cilli in, 73 

 prevention of contamination 



with tubercle bacilli, 90 

 Mastitis, 104 



catarrhal, 105 



interstitial, 109 



milk, harmful properties of, 



110 



parenchymatous, 108 



tuberculous, 81, 93 



Medicines, excretion through 



udder, 119 

 Metritis, septic, 115 



Milk, opacity of, 18 



biological properties, 36 



cellular content, 34 



chemical properties, 14 



color, 28 



defects, 66 



electrical conductivity, 34 



ferments or enzymes, 36 



freezing point, 33 



odor and taste of, 28 



pails, types of, 172 



physical properties, 28 



reaction, 26 



refraction, 32 



secretion, phases of, 6 

 first phase, 6 

 second phase, 7 



sickness, 104 



solids, 19 



specific gravity of, 30 



surface tension, 33 

 Milk house, apparatus, 182 



construction, 181 



location, 180 



water supply, 193 

 Milk vessels, methods of clean- 

 ing, 183 

 sterilization of, 190 



viscosity, 33 

 Milking machines, methods of 



cleaning, 192 

 Milking, methods of, 168 



Nauseating taste, 30 



Nitrates and nitrites, tests for, 



247 

 Nutritive properties, effect of 



heat on, 211 



Odor, examination of, 227 

 0dor and taste of milk, 28 



