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MORE FEMALE CHICKENS - 4 to 1

 
                      
Posts: 56
Location: MONTANA, Bozeman area; ZONE 4
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http://www.motherearthnews.com/Sustainable-Farming/1979-01-01/More-Females-Per-Hatch.aspx


Dr. N.W. Walker (D. Sc., Ph.D.) claims that you can use sorghum seeds to get ...

Some years ago, while doing research on the properties of sorghum seed, I discovered that a genetic female hormone was quite prevalent in these small, glossy kernels.

I had a feeling that this sorghum hormone could, perhaps, influence the percentage of female birds hatched, and-to check this "hunch"I set up an experiment using zebra finches ... which (because they regularly hatch up to four eggs a month) seemed the best choice available to me.

Before I began the research, these birds had hatched out a predictable half-and-half mixture of male and female finches.

I decided to keep a full dish of sorghum seeds in the aviary at all times and watch for developments.

At first the birds didn't show much interest in the new food, but-in the course of three or four weeks-they began to feed on the sorghum before moving on to their regular feeders ... and they followed this pattern both morning and evening. Then, after two or three months, I began to notice an increase In the number of female birds hatched.

In fact, by the end of the first year of sorghum-supplemented feeding, my finches produced close to four female birds for every male hatched!

Read more: http://www.motherearthnews.com/Sustainable-Farming/1979-01-01/More-Females-Per-Hatch.aspx#ixzz1NnVj6QgV
 
Anna Carter
Posts: 66
Location: Lacey, Wa
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I'd like to know how many generations he followed, and if there were any other effects- were all the females a healthy and productive as normal birds, not fed sorghum? After 10 generations? 20? I'm going to do some more reading into this.
 
                      
Posts: 56
Location: MONTANA, Bozeman area; ZONE 4
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That is Dr. Norman Walker, the juice teacher.  Perhaps there is something in his writings of what else he found.

I suspect new trials will have to be done.
 
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