No. 7. DEPARTMENT OF AGRICULTURE. 573 



PAPERS READ AT THE ANNUAL MEETING OF THE STOCK 

 BREEDERS' ASSOCIATION, OF PENNSYLVANIA, HELD AT 

 HARRISP.URG, PA., JANUARY 2o-26, 1905. 



OFFICERS FOR 1905. 



President, W. C. Norton, Aldenville; first vice-president. Dr. Leon- 

 ard Pearson, Philadelphia; second vice-president, M. P. Shoemaker, 

 Greenhurg; secretary, E. S. Bayard, Pittsburg; treasurer, J. F. 

 Lantz, Glenmoore. 



Executive Committee: W. G. Powell, Shadeland; M. N, Clark, 

 Claridge; D. Norman App, Selinsgrove; William Berry, Washington; 

 Prof. Geo. C. Watson, State College; James Blair, Hartstown. 



Legislative Committee: Dr. Thos. Tiirnbull, Allegheny; H. W. 

 Comfort, Fallsington; R. L. Munce, Canonsburg; J. H. Reichert, 

 Scranton; S. E. Nivin, Landenburg; Henry Palmer, Avondale. 



Committee on Transportation: W. F. Shrum, Adamsburg; Jos. T. 

 Fleming, Bellsville; J. Grier Dain, Malvern. 



Committee on Fairs: W. C. Black, Mercer; Jas. Blair, Hartstown; 

 J. L. Henderson, Washington; J. D. Detrich, West Chester; L. D. 

 May, Granville Center; W. E. Perham, Niagara. 



GROWING OUR OWN PROTEIN. 



By PROF. E. B. VOORHEES, New Brunswick., N. J. 



It is quite natural that for the raising of livestock, the question 

 of rations should be one of the most important, for next to breeding 

 it is the question upon which success hinges, and we need no better 

 evidence of the necessity of specific knowledge on the part of 

 feeders than is given in the work of the various experiment stations. 

 The investigations that have been conducted show not only the nec- 

 essity for a broad intelligence in the matter of the preparation of 

 rations, but also that this intelligence must be accompanied by 

 definite information concerning what constitutes a food, and of the 

 functions of the nutrients in the various groups of specific sub- 

 stances. 



Twenty years ago animal foods, aside from hay and corn stalks, 

 consisted mainly of cereal grains, or mixtures of them, whose feed 

 ing values were well established, together with the mill feeds de- 

 rived in the manufacture of flour from wheat, rye and buckwheat. 

 The other concentrated feeds on the market at that time, which were 

 used in any considerable quantity, were linseed meal, cottonseed 



