Show distillery grain to aid dairymen cattle feeders may be able to obtain additional supply soon there will be a new deal in ra eions for many of the dairy cows when distillers dried grains and brewers dried grains will be available in great ly increased quantities both these types of grains are looked upon with favor by dairy cat clemen the largest outlet tor for them Is in proprietary mixed feeds for dairy cattle considerable quantities also are bought in unmixed form by dairy cattle feeders to be used as protein supplements in dairy rations feeding tests with milk cows have shown that distillers dried grains are equal to mixtures of wheat bran cottonseed meal and linseed meal containing equal amounts of protein and that distillers grains from corn are more valuable than those from rye Furt further ber distillers grains were found more valuable than brewers grains other comparisons have shown distillers grains superior to corn gluten feed and brewers grains better than wheat bran dairy cattle feeders contemplating the purchase of one of these feeds should be guided by the cost of a pound of protein in that feed in a comparison with the cost in other available protein supplements common ly used for dairy cattle buyers of mixed feeds containing considerable proportions of distillers and brewers grains will find end the analyses as guaranteed by the manufacturer are indicative of the feeding value when made largely from corn distillers grains as a rule contain about 32 per cent protein the fat or oil content is high being about 11 per cent and the fiber content Is low ran ranging ing from about 10 to 12 per cent dist distillers illers grains made largely from rye contain from 10 to 25 per cent protein with an average of about 18 per cent the fat is about 7 per cent and the fiber about 16 per cent although the fiber may range from 12 to 18 per cent when corn rye and oc casio nally other grains are combined by the distiller the resulting grains have a composition lying between the e extremes for corn and rye and ap al one or the other depending upon the proportions used brewers dried grains contain from 22 to 25 per cent protein the fat con tent is about 7 per cent and the fiber about 13 per cent several other products from these and allied industries often are avail able in the form of malt sprouts dried malt grains and yeast and vinegar g grains |