26 



CONTROL SERIES No. 50 



Results of Inspection 



Of the 1,670 samples of feed collected, 53 per cent were straight by-products 

 and 47 per cent mixtiires containing two or more ingredients. It might be sup- 

 posed that mixtures of feeding stuffs made under careful supervision would con- 

 form more closely to guarantee than the by-product feeds resulting from a single 

 mining process where the primary interest is to secure a satisfactory product for 

 human consumption. The following table indicates that blended feeds- as a 

 whole are Uttle better than the ingredients which go into them in maintaining 

 consistent uniformity for protein, fat and fiber content, and that there is a lack 

 of care in properly blending the components of a mixed feed so as to maintain 

 a uniform product at all times. 



It has been charged that rations locally mixed by the retailer who does not 

 have facihties for the selection and checking of the products which go into his 

 mixtures are subject to greater variation than those made by feed manufacturers. 

 This is in a measure true. There are, however, feed manufacturers whose 

 products are open to criticism on account of numerous variations from guarantee, 

 as well as local mixers whose records are excellent in this respect. 



In the following table an attempt has been made to indicate in terms of per- 

 centage how closely feed manufacturers and local mixers come to maintaining 

 uniformitv. 



It would appear from the preceding table that the manufacturer whose business 

 is of sufRcient volume to warrant laboratory control has the advantage in manu- 

 facturing a uniform product. 



In a number of instances wheat by-products exceeded the fiber standards 

 set by the Association of Feed Control Officials and were considered as incor- 

 rectly named and classified. The maximum fiber content allowed for the Hard 

 Spring Wheat offals is: 



Standard MiddUngs, 9 . 5 per cent 



Flour Middlings, 6 . per cent 



Red Dog Flour, 4 . per cent 



Wheat Mixed Feed (Mill Run), 9.5 per cent 



The Canadian wheat by-products, of which there is an increasing amount sold 

 in New England, tended to run low in protein and high in fiber. Investigation 



