PROXIMATE PRINCIPLES AND B-VITAMINS IN SASKATCHEWAN FEED GRAINS

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Abstract
The proximate principles, and thiamine, riboflavin, nicotinic acid and pantothenic acid were studied in wheat (Canthatch and Selkirk), barley (Husky, Parkland and Hannchen) and oats (Garry and Rodney) grown in 1964 and 1965 at 16 locations representing the main soil types and zones in Saskatchewan. Percentages of the proximate principles were similar to those reported in the literature except for crude protein, which was considerably higher in all three grains. Vitamin levels in several instances differed markedly from those reported elsewhere. Standard deviations were approximately 2% of the mean for nitrogen-free-extract; 10% for the other proximate constituents; 15–20% for thiamine, riboflavin and nicotinic acid; and 20–30% for pantothenic acid.The practical significance of soil zone, variety and year effects is discussed. Correlations between levels of the various nutrients were, for the most part, similar to those reported by other workers.

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