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Description: Corn stover, comprising leaves, stalks, husks and cobs, is the residue of the corn plant after grain harvest and is abundant in Ontario. As shown in Table I, it has an approximate dry matter digestibility of 55% and a crude protein content of 4.5% (Daynard and Mowat 1976). Its use as an animal feed has been limited in the past because of this low digestibility and poor nutritional value. However, because ruminant animals are uniquely adapted to utilize the cellulose in high fibre forages, the potential use of corn stover as an animal feed is under investigation and consideration. To improve the nutritive value, digestibility and keeping quality of roughages, their treatment with alkalies has been reported. Experiments with NaOH treated straw have shown an increase in the in vitro digestibility of organic matter ranging from about 49% in untreated straw to 70% in straw treated with 5% NaOH (by weight) (Rexen and Moller 1974). Experiments with rice straw treated with 5.2% NH3 (by weight), and 22.8% water for 30 days at room temperature, showed an enzymatic digestibility (TSAE) increase from 29% to 62% and a nitrogen content increase from 0.56% to 1.32% (Waiss et al. 1972).
Keywords: ammoniation of corn stover stacks to improve feed value
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Citation: Sankat, C.K. and W.K. Bilanski 1980. AMMONIATION OF CORN STOVER STACKS TO IMPROVE FEED VALUE. Canadian Agricultural Engineering 22(1):77-80.
Volume: 22
Issue: 1
Pages 77 - 80
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Date: 1980
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Publication type: Journal
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Coverage: Canada
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