I have a few y.bs whose wattles are starting to go dirty. They are also sneezing.Any ideas what the problem is and a cure for it.There are 36 y.bs in a 20 foot x 6 foot loft with ample ventilation. They have also had a race.
I have 9 out of 22 from the same race.Other members returns are 4 from 20 5 from 20. The best returns being 15 from 28.Club winner taking 2hours 7 mins for 42 miles.