328 



INDEX 



Sour curdling, 15 



odor and taste, 30 

 Soxhlet's test, 247 

 Specific gravity, determination 



of, 228 

 of milk, 30 



of milk solids, deter- 

 mination of, 246 

 Spoiled feed, effects of on milk, 



114 

 Stable, ceiling, 139 



drop, 144 



exposure, 129 



exterior, 129 



feed trough, 143 



floor of stall, 144 



gutter, 144 



interior construction, 139 



light, 146 



location, 1 29 



manger, 143 



odor of air, 131 



platform, 140 



ties, 145 



type, 129 



walls, 139 



stall divisions, 145 



stanchions, 145 



surroundings, 1 30 

 Stable fly, 165 

 Stable-like odor and taste, 29, 30 



taste, 71 

 Stable practices, 159 



bedding, 178 



cleaning the cows, 166 



cleaning the stable, 160 



feeding, 175 



milking, 168 



time required, 179 

 Stages of lactation, 3 



Stalls, arrangement of, 145 



hospital and maternity, 146 



Standards, legal, for milk and 

 cream, 23, 24, 25 



Staphylococcus pyogenes, 59 



Sterilization of milk vessels, 190 



Stewart's test, 281 



Stokes' test, 281 



Storch's test, 298 



Strainers, 1 73 



Streptococci, examination for, 



272 

 of mastitis, 53 



Streptococcus lacticus, 52, 54, 55 

 pyogenes," effect of heat on, 

 205 



Stringy milk, 69 



" Strippers," 5 



Structure of udder, 1 



Surface tension of milk, 33 



Sweet curdling, 15 



Taste, effect of heat on, 213 

 examination of, 227 

 and odor of milk, 28 

 Temperature, effect on growth 



of bacteria, 63 

 Total solids, 19 



determination of, 240 

 Toxins, 44 

 Trembles, 104 

 Trommsdorff test, 282 

 Tubercle bacilli, 



from cattle, virulence 



of, for man, 75 

 conditions under which 

 milk is infected with, 

 81 



effect of heat on, 205 

 examination for, 275 



