Mayhew Mallard E13 1952 Experimental Eggs from Russell Thomas, 6030 Blank Road, Sebastopol, California. candling candling (4/7/52) (4/21/52) condition when stopped Relative No. set Fertile Doubtful Infertile Develop. Infertile Develop. all stages from “heat spots” To formation of Humidity(3/14/52) Stoped down. 40% 30 13 8 11 6 4 9 down. 65% 24 15 6 3 13 5 3 3 dead embryos. 75% 24 14 2 8 14 0 2 2 dead embryos. 85% 35 19 7 9 16 6 4 4 dead embryos. 90% 22 11 6 5 7 6 4 4 dead embryos. candling % of eggs broken condition of broken eggs Relative No. Date fertile open (no weights) Humidity Hatched Fertile eggs that hatch (4/22/52) 6 dead embryos (no weights) 40% 0 — 0 50 6 56 mm; 9.0 gms, 78 mm; 12.8 gms, 62 mm; 9.0 gms. 65% 0 — 0 66 13 88 “; 12.0 “ 88 “ ; 19.6 “ 68 “ ; 10.7 “ 75% 0 — 0 66 14 61 “ ; 7.2 “ 69 “ ; 11.5 “ 80 “ ; 15.3 “ 82; 21.0 45; 5.0 76; 15.4 82; 20.3 67; 9.2 86; 17.5 84; 18.6 74; 13.7 84; 21.7 69; 8.3 73; 16.0 66; 9.9 75; 16.1 80; 17.1 78; 15.4 77; 15.1 83; 17.7 83; 25.7 93; 22.1 72; 11.3 55; 5.3 84; 17.4 84; 21.3 13; — 44; 5.1 97; 24.6 68; 12.1 87; 24.0 78; — 16.9 59; 6.2 85% 0 — 0 57 16 58; 7.9 60; 7.5 83; 15.9 75; 14.7 90% 0 — 0 50 7 79; 16.4 79; 21.1 68; 10.0