Regular Institutes 



1617 



THE RELATIVE NET ENERGY IN CORN-MEAL, TIMOTHY HAY AND 



WHEAT STRAW 



Per cent, of tlio total 



In this table it is apparent that only 41.3 per cent, of the total energy of 

 corn is available for milk production, that is, as net energy. In timothy hay 

 only 14.7 per cent, of the total energy is net, wliile in wlieat straw only 6 per 

 cent is net. 



Selection of Grains and Other Concentrates 



In selecting concentrates to combine as a grain mixture, the following 

 factors should influence the selection: 



Cost, that is, the real price at which each will supply digestible protein 

 and net energy. 



Effect on the system or health of the cow. 



Palatability. 



Bulk. 



Variety. 



Corn-meal 

 Cottonseed meal 



Cheapest source of net energy 

 Cheapest source of protein 

 Distillers' dried grains^ Liglit and bulky, moderate cost of protein 

 Gluten feed Adds variety and protein at moderate cost 



A cow weighing 1,000 lbs. requires 



To produce 20 lbs. of milk testing 4% requires. 



Total required per day 



CONTROL OF FRUIT TROUBLES 



Bud Moth 

 Case Bearers 

 Tent Caterpillars 



r. 



Spray with 2 pounds of Arsenate of Lead to 

 50 gallons water. Apply when first green 

 leaves appear. 



Oyster Shell and S'cnri-y Scale. — Spray branches with a 10 per cent, kero- 

 sene emulsion or 1 pound whale oil soap to 5 gallons water, applied within 

 ten days after eggs hatch in .June. 



Aphides. — Spray wlien noticed with a 4 to 10 per cent, kerosene emulsion, 

 ordinary laundry soap U pounds to 4 gallons Mater, or tobacco extracts. 



Apple Maggot. — Twice a week pick up and feed to pigs or bury all drop 

 apples; or about July 1st spray foliage of a few small branches upon sus- 

 ceptible trees with a sweetened poison spray consisting of 2 pounds of Arsen- 

 ate of Lead, li gallons cheap syrup and 50 gallons of water. 



Codling Moth. — Apply Arsenate of Lead, 3 pounds to 50 gallons water, to 

 the upturned fruit immediately after blossom petals drop. 



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