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Comparison Of Three Methods Of Size Grading Channel Catfish Stockers, Bartholomew W. Green, David L. Heikes, Andrew E. Goodwin
Comparison Of Three Methods Of Size Grading Channel Catfish Stockers, Bartholomew W. Green, David L. Heikes, Andrew E. Goodwin
United States Department of Agriculture-Agricultural Research Service / University of Nebraska-Lincoln: Faculty Publications
The stocking of size-graded catfish into production ponds should increase production efficiency, but grading large numbers of fish with existing technology is laborious. We evaluated the effectiveness of a mechanical grader recently developed at the University of Arkansas at Pine Bluff (UAPB) relative to that of box and sock graders and assessed injuries sustained by stocker channel catfish Ictalurus punctatus during grading. Three 0.25-acre ponds were stocked at 11,777 lb/acre. Initial total length (TL) ranged from 6.3 to 15.7 in, and initial weight of individuals ranged from 0.04 to 1.10 lb. The fish population in each pond was divided into …