00819cam a22002531 4500 agr11001362 DLC 20260227110932.0 881202s1911 at a 000 0 eng agr11001362 (OCoLC)18829132 DLC DNAL DLC premarc SF487 .S72 47 So8 L200 South Australia. Department of Agriculture. The single testing system of breeding for egg production. By D. F. Laurie, government poultry expert and lecturer. Adelaide, R. E. E. Rogers, government printer, 1911. 14 p. illus. 25 cm. At head of title: South Australia. Department of Agriculture. Poultry Breeding. Laurie, Duncan Forbes. 7967 7967