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In Canada forage growth is season al, usually occurring in not more than five months of each year, where as the demand for food by animals is continuous and uniform over the year. It is necessary, therefore, to con serve a portion of the growth for feeding during the non-growing period. Over 25,000,000 tons of hay are cut for feed in Canada each year. Of this amount it is conservatively estimated that 5,000,000 tons are wasted due to shattering or mechanical losses in the field and feed manger, and fermentation and spoilage losses, in the silo, bale or stack. Be cause of the long season when harvested feeds are fed, the farmer must make every effort to conserve this feed so that maximum quantity and quality per unit of land may be obtained. This paper is confined mainly to factors influencing quality in con served forages. It does not deal with harvesting grain for livestock food as the methods are not subject to many variations. Statements made in the paper are not documented by literature citations since many of the conclusions are based on a summary of a number of papers. A list of important papers, and recent books, is given under
nutritional aspects of harvesting food for livestock
Whiting, Frank 1961. NUTRITIONAL ASPECTS OF HARVESTING FOOD FOR LIVESTOCK"". Canadian Agricultural Engineering 3(1):23-32.