FEEDING liV-PRODUCTS 375 



foods," says Prof. Thomas Shaw, "could have been 

 saved by adding to the ration one-fourth pound of oil 

 cake per da}- for some time before and after parturition. 

 It is helpful to young pigs after they have been weaned, 

 and when they are upon a diet of constipating- tendencies, 

 such as skim milk." 



Experiments in feeding linseed-oil meal to swine were 

 conducted at different times in a period of two years 

 ending in the winter of 1905-06 at the Missouri sta- 

 tion (Bulletins Nos. 65 and 67), which show linseed-oil 

 meal more \-aluable than wheat middlings as a supple- 

 ment to corn. The experiments were in charge of Prof. 

 E. B. Forbes, who says : 



"During the past two years the station has been feed- 

 ing a large number of fattening hogs on experimental 

 rations, and made considerable use of linseed-oil meal a:; 

 a suj)plement to corn. The results indicate that this 

 feed has a great usefulness for this purpose, and that its 

 ^•aIue is not Iiaif appreciated by practical pork producers. 

 Linseed-oil meal was used because it is. at ordinary 

 prices of grains, the cheapest vegetable source of diges- 

 til)le protein a\'ailable as a complete supplement to corn 

 for dry-lot hog-feeding. 



"On account of its name this feed is popularly sup- 

 ])Osed to produce an oily grade of pork, but, as a matter 

 of fact, the methods of extraction of the oil from the 

 flaxseed of late have been so perfected that in the bulk 

 of the oil meal now on the market there is much less oil 

 than in either corn or oats. We have foimd by follow- 

 ing through the packing house a large number of hogs 



