Switching Coturnix Roosters

shrimpsilkies

Songster
Feb 1, 2020
362
658
161
In my experience there isn’t any way to tell for sure when the “switch” happens. Maybe faster if there is another male breeding them but I hatched my last batch of eggs almost 3 weeks after I culled their father and the hens had not seen a male, and 6/7 were fertile.
 

Fenrisulfr

Crowing
Mar 30, 2020
990
2,227
286
Germany
Same experience I had ... literature says after 7 days fertilisation of old sperm drops dramaticly, ...
... but I had still some chicks from an old roo, after switch, when collected hatching eggs 14 days later.
 

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