Patent ID: 7829100

Claim:
A composition comprising: (a) crystalline ceftiofur free acid; and (b) a modified liquid vehicle, said vehicle comprising; i) a modified unsaturated oil having a peroxide value of between about 10 to about 600 milliequivalents (mEq) of peroxide per 1000 grams of oil and optionally, ii) a saturated oil; wherein said modified unsaturated oil comprises corn oil, peanut oil, sesame oil, olive oil, palm oil, safflower oil, soybean oil cottonseed oil, rapeseed oil, sunflower oil, a modified oxidizable synthetic oil, or mixtures thereof; wherein said saturated oil comprises coconut oil; wherein the saturated oil may be present at a level such that the ratio of modified unsaturated oil to saturated oil is from about 0.01:99.99 to about 90:10 (v/v).