GETTING THE MOST FROM FEEDS 89 
been secured make no Geass except for very good rea- 
sons. Under what circumstances is it sometimes advis- 
able to change the ration? 
7. Steaming and cooking food.—A great many devices 
have been placed on the mar- 
ket for the preparation of feed- 
ing stuffs for live stock. The 
labor and expense connected 
with the steaming and cooking 
of food are usually unwarranted 
and uneconomical. 
8. Coarse or roughage feeds. 
—These include the grasses, 
cereals, legumes, roots and 
anything of a bulky nature, 
= whether fed green or dry, as 
Device ror Cooxinc Feep ror hay. In all feeding practice, 
Pes Ges the ration should be based on 
one or more of these products. They are home grown 
and are thus produced at less cost than other feeds if 
purchased. The roughage feeds contain more of the 
carbohydrates than of protein. 
9. Concentrates.—The grain by-products and other 
concentrates are relatively rich in protein, but not always 
so. Cottonseed meal, linseed meal aad gluten are very 
high in protein. The 
rl Protemn 30.2 
concentrates are easily 3i[cerbenyaretes 32 
digestible, and where “2t!°° 
high production is de- Lorin 
. : 6.1 
manded, liberal quanti- £2[cartonarates Jes 
. =~? 
ties should be used in “[J>* 
daily rations. In pur- : 
. Note the miuch larger amount of protein in 
chasing concentrates, linseed meal than in corn meal. 
SELECTING FOR PROTEIN 
