Adjective may be more rigid in some languages than others; in some, like Spanish, it may only be a default ("unmarked") word order, with other orders being permissible. Other languages, such as Tagalog, follow their adjectival orders as rigidly as English. The normal adjectival order of English may be overridden in certain circumstances, especially when one adjective is being fronted. In addition, the usual order of adjectives in English would result in the phrase "the bad big wolf" (opinion before size), but instead the usual phrase is "the big bad wolf", perhaps because the ablaut reduplication rule that high vowels precede
Animal drug in scientific testing that the drug has been found "safe and effective". The testing data also must demonstrate that a methodology is available to detect and measure any residue left in edible animal products. Farmers and veterinarians using drugs on farm animals must adhere to guidelines about how much time must elapse before a treated animal can be slaughtered, and any other use constraints or warnings stated on the drug label. Animal biologics (e.g., vaccines and tests) are regulated by the Animal and Plant Health Inspection Service. Animal drug An animal drug (also veterinary drug) refers to a drug intended