1 of my bulls has regurged a couple of his past meals but not all of them I think, all of my bulls are at the same temp and not other problems. What else would cause this?

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1.0 white sided bull
1.0 hypo bull
0.1 stillwater. Ok hypo
0.1 stillwater. Ok hypo 25% red
1.0 axathic (thanks jcherry)

