Sep 6, 2014 #1 GGBEAR Songster 5 Years May 6, 2014 571 102 147 Rotherham []Hi there can anyone shed some light why my Columbian black tail which is around 8 month old and has been laying for around 3 months is still every now and then laying a shell less egg, she seems to be the only one??B]
[]Hi there can anyone shed some light why my Columbian black tail which is around 8 month old and has been laying for around 3 months is still every now and then laying a shell less egg, she seems to be the only one??B]
Sep 6, 2014 #2 hennible Crowing 5 Years Jul 14, 2014 11,524 892 386 Central British Columbia I think that's usually a calcium deficiency, odd it's only one bird though....