90 FARM ANIMALS 
make it a rule to ascertain the amount of total digestible 
nutrients and of digestible protein in a ton. Then select 
the feeding stuff that supplies the protein at the cheapest 
rate to the pound. In this way economical buying of 
feeds is possible. 
10. Protein most important.—In buying concentrates 
choose those feeds that are high in protein and relatively 
low in carbohydrates. For instance, cottonseed meal 
contains nearly six times as much protein as corn meal. 
The dairyman who has a large supply of corn stover, 
UsEFUL TooLs FOR MAKING Hay 
Our forefathers cut the hay crop by hand. Haying operations are now done largely 
by horse-drawn tools. Farm tools and implements save labor and lessen the cost 
in producing crops. 
silage and grass hay would make a poor purchase if he 
selected corn meal instead of cottonseed meal or gluten 
for dairy cows, even though the corn might cost but 
half as much per ton as cottonseed meal or gluten. 
Getting protein at the cheapest cost a pound is the most 
important thing in buying concentrated feeds. 
11. Cutting hay.—Early cut hay is richer in protein 
and contains less crude fiber than late cut. As plants 
ripen, the more nutritious compounds move into the seed, 
and leave the food part of hay less valuable. The best 
