24 BULLETIN 1052, U. S. DEPARTMENT OE AGRICULTURE. 
condensed buttermilk for poultry-fattening rations is available it 
will probably be best to dilute the buttermilk product so that the 
resulting mixture will have about the same percentage of solids as 
fresh buttermilk (approximately 8 per cent). In using condensed 
buttermilk, which contains about 28 per cent of solids, the dilution 
would be 1 part of condensed buttermilk to 2\ parts of water. In 
using powdered buttermilk, which has about 90 per cent of solids, 
the dilution would be about 1 part of buttermilk to 10 of water. 
In feeding-house practices the powdered buttermilk is most con- 
veniently used by combining it directly with the dry feed mixture 
and then pouring in water to make the proper consistency. Adding 
15 pounds of powdered buttermilk to 100 pounds of. dry feed and 
mixing with 150 pounds of water gives approximately the same per- 
centage of buttermilk solids as is obtained by using 50 pounds of 
fresh buttermilk to 40 pounds of dry feed. 
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