**10. Carprofen**

Carprofen is a propionic acid derivative NSAID and a selective cox-2 inhibitor. The drugs in this group take –fen suffix (e.g. ibuprofen, ketoprofen). Carprofen is the safest drug in this group because its peripheral prostaglandin inhibition is weak. It is a long effective NSAID with a clinical effect time of 12 hours. Carprofen in cows administered subcutaneous, in dose of 1.4 mg/kg to body weight [49, 65, 70-72].
