Show DAIRY COWS RELISH SILAGE Result Given Gien of an Experiment Conducted Con Con- Conducted ducted by Pennsylvania Station- Station Decrease In Yield In an experiment conducted by the Pennsylvania station according to a report received d by the department of n agriculture two lots of five e cows each were fed for three wi periods of or or fou weeks Lot ot 1 received silage alone tor for foi roughage during period 1 and 3 anc and mixed hay and silage during period 2 2 and lot 2 received hoy hay and silage during periods 1 and 3 and silage during durIng dur dur- ing lug period 2 The milk yield decreased with both systems of roughage rm but the decrease was less with silage and hay When s silage age and hay bay for roughage followed silage alone there was a slight increase In milk yield over the Initial tion Except in one instance there was a ii decrease each period When r j. j High Producing Type the cows receIved hay they consumed con con- practically the same amount of silage as when no hay was Included in the ration Both Botti lots consumed an excess of protein and net energy above that necessary for maIntenance and milk production when based on Eckles' Eckles standard There were no apparent undesirable physIcal physical cal effects from the feeding of silage alone for roughage with the grains used very lIttle difference in the cost of the two r rations or In Inthe the feed cost of milk and milk fat No perceptible difference was observed In iii the health of the two lots |