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Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
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Transcription
Mayhew
1952
Experimental
May 31
Mallard E38
All remaining eggs were candled today.
The results were as follows:
Source R.H. Date Set no. Fertile no. Infertile
Farmer 40 5/8/52 #3 2
" 40 5/24/52 2 0
" 65 5/17/52 5 0
" 75 5/8/52 #2 2
" 75 5/11/52 3 1
" 90 5/8/52 5 3
" 90 5/24/52 2 0
Monjohn 40 5/17/52 4 1
" 65 5/14/52 11 1
" 65 5/23/52 5 0
" 75 5/7/52 10 0
" 75 5/23/52 5 0
" 85 5/7/52 9 1
" 90 5/17/52 4 2
Gilson 40 5/24/52 6 (2?) 0
" 65 5/24/52 3 (1?) 3
" 75 5/24/52 2 (5?) 0
" 85 5/24/52 3† 1
" 90 5/24/52 4 4
T=3 with blood rings present
June 2 All marked eggs were weighed again today
+ the data recorded in the weight section
of this notebook.
2 F@ eggs at 75% are rotten, but
2 F@ eggs at 40% have pipped this afternoon.
June 3 All marked eggs were weighed today. 1 F@
eggs at 75% was pipped this morning,