Mayhew 1952 Experimental April 25 Mallard E32 and then replaced in their respective boxes (3) those that will be dipped in the same manner, but dipped once a day until they are due to hatch. The eggs were divided as follows: Rel. Hum. Dip every day Dip once no dipping G T G T G T 40% 4 3 4 2 3 3 65% 5 4 6 3 3 3 75% 3 3 4 2 3 3 85% 6 3 6 3 3 3 90% 5 - 4 3 3 - O on egg = egg dipped once X on egg = " " every day all 9 Farmer eggs at 75% were dipped once (those set Mar. 29th). April 27 at 10:00 3 duckos had hatched at 75%, 1 [illegible] Farmer egg + 2 Thomas eggs. all these eggs had been dipped once. at 19:00 I found 1 duck (Thomas egg) had hatched at 65%. This egg had not been dipped at all. April 29 Today 3 Farmer eggs that were set April 8 hatched. Apparently incubation had begun before the eggs were brought in to the incubator. None of these eggs had been dipped at all. One hatched at 65%, two at 75%. May 3 Today all of Siberia's remaining eggs