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Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
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Transcription
Mayhew
1952
Experimental
June 10
75%
(cont.)
M(17) at 40%
+ 20% were
dipped today.
85%
90%
Mallard
E 40
7. M(7) - large embryo - lots of yolk left.
8. M(7) - infertile.
9. F(11) - [1] - large embryo, lots of yolk left.
1. M(7) - [1] - pipped too soon.
2. M(7) - [2] - "
3. M(7) - [4] - "
4. M(7) - "
5. M(7) - "
6. M(7) - large embryo, lots of yolk left.
7. M(7) - "
1. F(24) - very small embryo (1st week)
2. F(24) - "
3. M(17) - [1] - "
4. M(17) - [4] - "
June 11 One M(14) egg at 65% was hatched this
morning. 1 F(17) egg at 65% was pipped.
3 M(17) eggs at 40% are pipped. 1 M(17)[3]
egg at 40% hatched this afternoon.
Eggs set 5/31 were candled today. The
results were:
40% - M(31) - 5 fertile 0 infertile
65% - M(31) - 4 " 0 "
F(31) - 0 " 2 "
75% - F(31) - 1 " 0 "
85% - M(31) - 4 " 1 "
F(31) - 2 " 1 "
90% - M(31) - 2 " 2 "
June 12 2 more M(17) eggs at 40% hatched this
morning, [1] + [5]. 1 M(14)[5] egg at 65%
also hatched this morning. 2 more are
pipped. 4 F(17) eggs at 65% are pipped.