She is 8 months old and vaccinated for Marek’s. Thanks for the advice of the B-Complex; I will introduce that to the regime. Up to this point she has been a consistent egg-layer and I did check her for a vent egg blockage. Negative result.
1 week ago I noticed one of our lavender orpington hens with one eye closed and was isolating from the flock when at free range. We treated the eye daily with warm compress, saline rinse and Terramycin. The eye healed/opened in about 4 days. However, the hen continued isolation from the...