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How old is to old for a rooster to be fertile?

post #1 of 4
Thread Starter 
I set 17 eggs in the incubator 8 days ago and I candled them tonight. The eggs weren't fertile except 1. The eggs were saved for 7 days before incubating. I had dewormed my chickens a day or two before starting to save them. I used wazine. I know that my rooster is several years old but if he is not fertile then I would not have got the 1 fertile egg. So my question is,is there a chance that the wormer caused the infertility in the 16 other eggs? I also thought that his count may be low because of his age. So how old is too old?
post #2 of 4

It varies from rooster to rooster, breed to breed, and strain to strain.  I have had roosters that remained fertile as long as they were able to tread a hen.  A friend had a heavily inbred family of WCBP where most were sterile by the time they were 3 years old.  I know nothing about the impact of Wazine on fertility.  Dawg53 might be able to answer that.


Edited by sourland - 4/20/16 at 7:22pm
Friends are the family you make for yourself.
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Friends are the family you make for yourself.
There are no coincidences- only providences.
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post #3 of 4

3-10 is the range i have heard for the end of fertility to end.

post #4 of 4
Other things to consider: (1) Is the rooster breeding the hens? and (2) Is there anything preventing him from getting good cloacal contact?

I haven't heard of Wazine affecting fertility.
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