What is the ratio for a gram stain

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Does anyone know what the ratio for a gram stain should be? Results of the one I had done was 50-50 but my vet isn't sure what it should be for poultry and I wasn't able to find the information on the internet. I have another thread going on the runny poops problem my girls, and boy, are having and asked this question there but didn't get an answer. I'm hoping a separate thread will attract notice. Thanks so much.