A.S. Series 69-28
Between the years of 1900 and 1930 good hen flock records were maintained for egg production. During this same time, a technique for keeping a record of eggs laid by individual hens in a flock was developed. The trapnest provided a new tool for the poultry breeder. With the accumulation of dependable egg-production records, it became possible to calculate flock averages, breed averages, family and individual averages. The simple tool for trapping the hen in a nest, and thus permitting identification of her individual egg and her total number of eggs, was necessary before an educated program in selection was undertaken.
Number of Pages
Department of Animal Science, Agricultural Experiment Station, South Dakota State University
Morgan, Walter, "New Tools for Research" (1969). South Dakota Poultry Field Day Proceedings and Research Reports, 1969. 8.