Thank you all. We are pretty heartbroken. Taking the rest of my flock to get checked as a precaution- she was fortunately in quarantine from my others. Just so sad how many vets I begged to see us on Sunday and not a one cared except our regular vet (for our dogs). Not sure if it would’ve made a difference at this point without the necropsy results- I just wish I could’ve done more for her.