Did she put them in a brand new pen on fresh sterile ground separated by 100 yards from other birds, including wild ones?? : Just kidding.
Her environment, including the soil may have strains of stuff your birds are susceptible to.
Wonder if she's had any problems with other chicks brought in from elsewhere? Must be hard to lose the youngsters though, so I do feel bad for her.
Her environment, including the soil may have strains of stuff your birds are susceptible to.
Wonder if she's had any problems with other chicks brought in from elsewhere? Must be hard to lose the youngsters though, so I do feel bad for her.