Hi Sandy,
I have had Mad Barn Amino Trace since just after Christmas.  It was started the wrong way at the vet clinic and it smells awful, even to me.  I had to start all over again and I am finally up to one oz. perbeet pulp feeding(twice daily).  Start slow and see if they like it.  If not Mad Barn told try two to three pellets per day.
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Kandace K Rocky Mountains, Alberta, Oct 2
https://ecir.groups.io/g/CaseHistory/files/Kandace%20J%20and%20K
https://ecir.groups.io/g/CaseHistory/album?id=259062