| In addition, previous experimental work by Vogel indicates that acetylsalicylic acid, indomethacin, and phenylbutazone strengthen uninjured collagenous structures in rats. |
| A veterinary technician reported the gelding had been injected with a prohibited substance containing phenylbutazone and oxyphenbutazone, commonly known as bute. |
| Some preparations are adulterated with phenylbutazone, ephedrine, aminopyrine or mandrake root. |
| Dogs with panosteitis usually respond to analgesics such as aspirin or phenylbutazone. |
| Synthetic steroids, phenylbutazone, lead or mercuric sulphide can be added. |
| The urine of the horse was found to contain phenylbutazone and oxyphenbutazone, which are prohibited substances. |
