Please choose the correct ending to complete the given sentence: Pets and Animals: [header] How to treat a hoof abscess in horses [title] Look for discomfort when your horse walks. [step] If your horse is suddenly hesitant to walk around, it may due to an infection in its hoof that is causing it pain. Be on the look out for changes to your horse's gait or to your horse being hesitant to walk around or put pressure on one of its hooves.

Ending1: [substeps] Horses that are suddenly lame will often stop walking around, as they are worn down. Slowly use caution in this case by wearing a new footwear to help any cramping or discomfort you feel go away. Ending2: [title] Inspect the top of horse's hooves. [step] If you suspect a problem with your horse's hooves, then you will need to inspect them. Ending3: [substeps] If your horse is suddenly hesitant to walk around or put pressure on one of its hooves, it may be an abscess. [title] Get your horse examined by a vet. Ending4: [title] Schedule an appointment to have your hoof examined. [step] If you think that your horse's hoof has advanced to over a foot in size, your first priority should be to have it examined.

Answer format: ending1/ending2/ending3/ending4