Welcome to BYC!
The goat dose is 5 mg/kg & the chicken dose is 50 mg/kg. Here's the math:
Goat dose - 1 / 2.2 x 5 / 100 = 0.0227 ml per pound
Chicken dose - 1 / 2.2 x 50 / 100 = 0.227 ml per pound
From veterinary textbooks and from vets.
From Plumbs Veterinary Drug Handbook
Pictures...
Very sorry for your loss. :hugs
You're in California, near Davis, yes? Why not drop her off for a $20 necropsy at CAHFS?
https://cahfs.vetmed.ucdavis.edu/locations/davis-lab
https://cahfs.vetmed.ucdavis.edu/sites/g/files/dgvnsk2461/files/files/page/StandardSubmissionForm_11-16_BYF.pdf
You could...