ANIMAL PEODUCTION. 497 



The experiments led to the conclusion that commercial feeding stuffs of vegetable 

 origin do not contain appreciable quantities of phosphorus in inorganic compounds, 

 and that feeding stuffs of animal origin, such as liver meal and dried blood, are also 

 approximately free from sucli phosphorus compounds. Commercial meat meal, 

 which contains varying quantities of bone, contains inorganic phosphorus due to the 

 presence of more or less bone. The cow manure was also found to be free from 

 inorganic phosi)horus. It was evident that it was possible by different methods of 

 manipulation to increase the amount iif inorganic phosphorus found in different 

 materials, owing to the cleavage of inorganic i)hosphorus compounds from l)odies 

 rich in phosphorus, such as nucleic acid. 



The amount of different sorts of phosphorus compounds in germinated and unger- 

 minated seeds was also studied, the period of germination extending over 2 weeks. 

 "Our results bring us to the conclusion that during germination there is a proteolysis 

 of nucleo-proteids with formation of more soluble moljile nucleins and nucleic acids, 

 but not a transformation of tlie organic phosphorus into the inorganic." 



In the comments by W. H. Jordan, which are appended to the report, the impor- 

 tance of the study of different phosphorus compounds from the standpoint of nutri- 

 tion is discussed. 



Commercial feeding- stuffs, E. H. Jenkins et al. {Connecticut State Sta. Rpt. 

 1902, pi. 4, pp- 359-423) . — Three hundred samples of commercial feeding stuffs were 

 analyzed under the State law, including cotton-seed meal, old and new process lin- 

 seed meal, wheat brans and middlings, mixed wheat feeds, gluten meal, gluten feed, 

 corn meal, hominy feed, rye bran, rye feed, malt sprouts, brewers' grains, ground 

 oats, oat feed, buckwheat middlings and hulls, peanut bran, broken peanuts, dis- 

 tillers' grains, white meal, x>roprietary feed, and cereal breakfast food by-products, 

 and calf meal. 



" The composition of most of the feeds which have guaranties is in substantial 

 agreement with these guaranties. The only evidence of deliberate fraud in the feed 

 market which is shown by the analyses is the mixing of finely-ground corncob or 

 corn bran with mixed wheat feed, and selling this mixture in packages which do not 

 bear the name of the manufacturers nor any statement giving the composition of the 

 mixture. . . . The prices charged at present for commercial feeding stuffs often bear 

 no relation to their chemical composition or feeding value. It therefore requires 

 special care and intelligence to select feeds which shall be economical for the dairy- 

 man or feeder of other stock. The standard feeds sold by reputable dealers are, as 

 a rule, nuich 'cheaper' and more satisfactory than the low-priced factory wastes." 



Inspection of feeding stuffs, W. H. Jordan and F. D. Fuller {Nnc York State 

 Sta. Bill. 240, pp. 213-250) .—From October, 1902, to February, 1903, 518 samples 

 were analyzed under the State feeding-stuffs law, including cotton-seed meal, dis- 

 tillers' grains, brewers' grains, ground linseed cake, linseed-oil meal, gluten meal, 

 gluten feed, hominy feed, malt sprouts, germ-oil meal, ground oats, corn meal, bran 

 and corn meal, mixed feeds (bran and middlings) , wheat offals (bran and middlings, 

 unmixed), proprietary and mixed feeds (mostly corn and oat products), chicken 

 feed, pigeon feed, duck feed, animal meals and similar products, rye flour, rye feed, 

 buckwheat feed, and barley skimmings. 



"No adulteration was observed among the cotton-seed and linseed meals, gluten 

 products, and brewery and distillery residues, as shown by the official samples. 

 Corncobs were shown to be present in 3 brands of licensed feeds, in 2 samples of 

 unlicensed bran, and in 1 sample sold as pure corn meal. Several proprietary feeds 

 were found, as usual, to be made up in part of oat hulls. Many samples of wheat 

 offals, bran, middlings, and the same mixed, were found to be unadulterated and of 

 good (juality. The same can be said of numerous samples of corn and oats ground 

 together. 



