Maximizing Efficiency of Recurrent Phenotypic Selection for Neutral Detergent Fiber Concentration in Smooth Bromegrass
C. Stendala and
M. D. Caslerb,*
a Dep. of Agronomy, Univ. of Wisconsin, Madison, WI 53706-1597 b USDA-ARS, U.S. Dairy Forage Research Center, 1925 Linden Dr. West, Madison, WI 53706-1108
Fig. 1. Expected selection response (R) of neutral detergent fiber (NDF) concentration generated from 70 different selection criteria which were based on various numbers of blocks and harvests, regressed on the relative cost (C) of each selection criterion.
Fig. 2. Frequency distribution of the benefitcost ratio for 70 selection criteria based on different numbers of blocks (b) or years per selection cycle (y).