39 



less fat than that obtained in the old process method. Linseed 

 meal is very seldom adulterated, contains a high percentage of 

 protein and if it were not for the high price asked in comparison 

 with other concentrates, would form a very satisfactory source of 

 protein in formulating rations. Two of the samples put out by 

 the Guy G. Major Co. ran considerably lower in protein than the 

 average, while the price asked was equal to that for the better 

 grade goods. One of these samples contained an appreciable 

 amount of screenings. 



Average Analvses and Retail Prices. 

 Gluten Feed. ,„ '„ ,„„„ 



•p 1908. 1909. 1910. 



Pages lO-II. First Second P'ir.st Second First Second 



Grade. Grade. Grade. Grade. Grade. Grade. 



No. Samples, 46 ' 31 50 5 33 6 



Protein (percent), 25.52 21.22 26.52 21.83 25.22 20.91 



Fat (percent), 2.83 3.04 2.81 4.63 3.17 6.00 



Fiber (per cent), — — — — 5.92 7.53 



Price a ton. $32.48 $32.66 $32.68 $32.00 $31.88 .$33.33 



Gluten feeds as reported, are divided into two groups. Those 

 which contain above 23 per cent protein are placed in the 

 first group, while those having a less percentage are placed 

 in the second gi'oup. With one exception the gluten feeds 

 found on the market were free from adulteration. The 

 sample of Royal Gluten Feed had a musty disagreeable taste and 

 contained an excessive amount of fiber, presumably due to the 

 addition of ground corn cob. This feed is no longer on the market. 



Reports of adulteration of gluten and the statement that this 

 material is not as good as formerly, are in no way substantiated 

 by our investigations. It is our belief that gluten feed continues 

 to be one of the more economical protein concentrates. Gluten 

 feed is a corn by-product and its use as the source of protein in a 

 ration containing home-grown corn is hardly to be advised. It 

 may be employed, however, where corn meal is not a predominant 

 component of the ration. 



The average analysis of the six samples of second grade gluten 

 feed showed a fat content considerably in excess of the average of 

 the first grade samples. They also sold at a higher price. With 

 the exception of the sample of Royal Gluten Feed the difference 



