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Grade Herd Recording : 1962-63, Maurice C. Cullity
Grade Herd Recording : 1962-63, Maurice C. Cullity
Journal of the Department of Agriculture, Western Australia, Series 4
A poor season coupled with a 16 per cent, increase in the number of cows tested during 1962-63 led to a drop in the average yields of cows in the Grade Herd Recording Scheme.