14 FARMERS' BULLETIN 743. 



LINSEED MEAL. 



IHfi< xtihlc nulricntn. Old process: Protein, SO. '2 per cent; carbohydrates and 

 fal. 47.7 per cent. New proiv^s : Protein, 31.7 per cent; carbohydrates and 



Linseed meal is a by-product of the manufacture of linseed oil from 

 flaxseed, and is produced under two processes, known as the old and 

 the new. Linseed meal or oil meal from a physiological standpoint 

 is one of the Aery best feeds. It is laxative, palatable, and a very 

 good "conditioner." but. like wheat bran, its price is usually ex- 

 cessive for its nutritive value. It has, however, a distinct place in a 

 mixture in supplying protein to increase the palatability and improve 

 the physiological effect. It is very heavy, so that it is well to feed 

 it in connection with a bulky feed. It is especially applicable in a 

 mixture to be fed with dry roughage. 



COTTONSEED MEAL (CHOICE). 



J)i</estil>lc nulriciilx. 1'rotein, 37 per cent; carbohydrates and fat, 41.2 per 

 cent. 



Cottonseed meal is the richest in protein of all the common cow 

 feeds on the market. It is usually the cheapest source of protein 

 available, but it does not have the best physiological effect upon the 

 cow, often causing digestive troubles if fed in large quantities for 

 long periods. At first it is advisable to start with 1 to 2 pounds a 

 day, gradually increasing the quantity if no bad results are observed. 

 In some herds in the North as high as 5 to 6 pounds a day are fed 

 without bad results. In the South there seems to be no limit in 

 this direction. 



Cottonseed meal is a highly concentrated feed and should, if pos- 

 sible, be fed in a mixture with some bulky feed like bran. It can be 

 fed to better advantage when the roughage contains an ample 

 quantity of succulent feed. While its physiological effect in the 

 North at least is not good as compared with most other cow feeds, 

 its cheapness and the fact that in time the cows seem to overcome this 

 tendency to digestive trouble from it are rapidly giving it great 

 prominence as a cheap source of protein for dairy cows. 



GLUTEN MEAL AND GLUTEN FEED. 



DiffcKfiblr ii-ittrifiilx. (ilulen inea! : Protein, 30.2 per cent; carbohydrates, 

 and f;il. .">3.S p<-r cent. Chiton feed: Protein, 21.0 per cent ; carbohydrates and 

 fa I . nil. 1 per cent . 



(ilutcn meal is a by-product of the manufacture of starch from 

 corn. r l he basis of the meal is the germ part of the corn kernel, 

 (iluten feed is composed of the gluten meal plus a certain quantity 

 of corn hnm. which makes it lighter than the meal. Both feeds are 

 fairly pa hit a hie and are usually among the cheapest sources of pro- 

 tein. 



