How Many Neurotransmitters Are There in Dogs, Cats and Birds?

Question by Mimi: How many neurotransmitters are there in dogs, cats and birds?
Please help. Can someone tell me the number of neurotransmitters there are in dogs, cats and birds? (Please add a cite if possible)
Also Why do the other species have different varieties and distribution of neurotransmitters than we have?

Best answer:

Answer by Kevin7
ask a vet

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