Screenings – Chapter 23
Official Grain Grading Guide

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Grade determinants tables

Screenings

Grade name	Standard of quality	Minimum quantity of shrunken or broken grain %	Maximum tolerances, including canola, rapeseed, wild and domestic mustard seed
			Hare’s ear or wild mustard seed %	Maximum tolerances, including weed seeds which pass through a No. 4.5 round-hole sieve, chaff, dust					Total %
				Hulls %	Soft earth pellets %	Knuckles and straw		Total %
						Straw %	Total %
No. 1 Feed Screenings	Must be cool and sweet	35	2	1	1	0.25	3	3	6
No. 2 Feed Screenings	Must be cool and sweet	No minimum	2	1	1	0.25	3	3	10
Uncleaned	No requirements	*	*	*	3	5	5	*	*
Refuse	No requirements	No minimum	No limit	No limit	3	No limit	No limit	No limit	No limit
Grade, if specs not met	(Grade name)”, Account Heated, or Fireburnt, or Odour				Sample Screenings, Account Soft Earth Pellets

Grade name	Ergot %	Excreta %	Injurious seeds		Other domestic grains %	Other large seeds %
			Other than hare's ear or wild mustard seed %	Total %
No. 1 Feed Screenings	0.1	0.02	1	2	Nil	10
No. 2 Feed Screenings	0.1	0.02	1	2	5	No limit
Uncleaned	0.1	0.1	*	*	10	*
Refuse	0.1	0.1	No limit	No limit	10	No limit
Grade, if specs not met	(Grade name) Screenings, Ergoty	Sample Screenings, Account Excreta			Sample Screenings, with composition in remarks

Grade name	Sclerotinia %	Stones %	Wild buckwheat %	Wild oats %	Wild oat hulls %
No. 1 Feed Screenings	0.25	0.3	65	8	N/a
No. 2 Feed Screenings	0.25	0.3	No limit	49	N/a
Uncleaned	0.25	0.5	*	49	1
Refuse	0.25	0.5	No limit	No limit	No limit
Grade, if specs not met	Sample Screenings, Account Sclerotinia	Sample Screenings, Account Stones		See Mixed feed oats

* Sample must contain 35% of material that qualifies for No. 1 Feed Screenings.

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