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  1. Ducks and Banny hens

    Is it true that a lower temp makes more girls?

    That's a distinct possibility. If hatcheries can prevent cockerels from forming, they don't have to do away with so many. (I won't go into what some hatcheries do....)
  2. Ducks and Banny hens

    Is it true that a lower temp makes more girls?

    Again, I think this is a confusion; Most boys (which are already set out to be boys) will do very well in high temperatures; Most girls (which are already etc. etc.) will do very well with lower temperatures, increasing each sexes' chance of survival.
  3. Ducks and Banny hens

    Is it true that a lower temp makes more girls?

    X2 Basically, the temperature never decides the sex; rather, it favours one sex or the other. Higher temp: boys will all survive, most girls won't. Lower temp: Girls will all survive, most boys won't. Something like that.
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