392 



INDEX 



Rations, compounding of, according 

 to feeding standards, 121-3, 

 125-9, 139-49 

 for beef cattle. 111 



dairy cows, 110-11, 139-49 

 fattening, 135-7 

 growth, 130-4 

 hogs, 111-2 

 horses, 109-10 

 maintenance, 129-30 

 milk production, 139-49 

 pregnancy, 134 

 sheep, 112, 149 

 wool production, 149 

 work, 137-9 

 general rules for, 107-13 

 deficient in mineral matter, influ- 

 ence of, on pigs, 78-80 

 protein, influence of, on pigs, 

 83-7 

 digestibility of, as affecting effi- 

 ciency, 307 

 factors affecting, 66-74 

 efficiency of, 305-19 



factors affecting, 306-19 

 excess of non-nitrogenous nutrients 

 in, as affecting digestibility, 

 73-4 

 feed-unit system of calculating, 



149-52 

 maintenance, 129-30 

 palatability of, as affecting di- 

 gestibility, 68-9 

 preparation of, as affecting di- 

 gestibility, 69-70 

 efficiency, 309-10 

 standards for, see Feeding stand- 

 ards 

 vitamines in, 22-4 

 Raw bone meal, 219-20 

 Red clover, see Clover, red 

 Red dog flour, 198-9 

 Red top grass hay, 250 

 Red top grass pasture, 282 

 Red top straw, 264 

 Refuse, cannery, for silage, 295 

 Rennin, 42 



Respiration calorimeter, 96-7 

 Reticulum, 35, 36 

 digestion in, 42-3 



Rice, 183 

 Rice bran, 204 

 Rice by-products, 204 

 Rice hulls, 204 

 Rice polish, 204 

 Rock phosphate for pigs, 79 

 Roots, 296-300 

 crude fiber in, 18 

 crude protein in, 12-3 

 fat in, 21-2 

 mineral matter in, 8-9 

 nitrogen-free extract in, 15-6 

 water in, 5 

 Roughages, compared with con- 

 centrates in digestibility 

 of: 

 crude fiber, 65-6 

 crude protein, 64 

 fat, 66 



nitrogen-free extract, 64-5 

 definition, 106 



estimating weights of, 1 15-7 

 in rations, 112-3 

 net energy value of, 106 

 proportion of, to concentrates as 

 affecting efficiency of gains, 

 307 

 subclasses, 157-8 

 valuation of, as compared with 

 concentrates, 114 

 Rumen, 35, 36 



digestion in, 42-3 

 Ruminants, mastication of, 41 

 stomachs of, 35-6 

 digestion in, 42-4 

 Rumination, 41 



energy used in, 99 

 Rutabagas, 299 

 Rye, 174-5 



composition of, 174 

 distillers' grains from, 204 

 for breeding stock, 175 

 fattening stock, 175 

 gro\ving stock, 174-5 

 milk cows, 175 

 work horses, 175 

 net energy value of, 174 

 Rye bran, 203 

 Rye by-products, 203-4 

 Rye feed, 204 



