Rather wet over winter, and then lovely and warm for spring for at least the last month, often with very sunny days and temperatures around 15-20 degrees Celcius. I can understand infertility being affected by weather, but the chickens and geese have had near 100% fertility, just all the eggs...
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Thanks for replying - I've definitely seen all ducks and chickens mating fairly frequently so I doubt it's that. It's such a weird problem that I just really want to know what it is, and it's such a waste of eggs too. I put the first lot of eggs in end of February, as normal, and still...
Hello - I've just joined and am a small hobby breeder of pekin bantams, khaki campbells, large fowl buff orpingtons and occasionally geese and guinea fowl in the UK. I've been hatching out all over spring-autumn every year since 2017, and have always had excellent fertility and hatching rates...