The short answer for an Australian Shepherd
A healthy adult Australian Shepherd needs one full wellness visit a year. Puppies need a run of visits in their first months for vaccinations, deworming, growth checks, and spay or neuter timing, and an Aussie who has passed roughly seven years old should step up to twice a year. That senior step-up is not a formality in this breed: herding dogs age while still trying to work at full tilt, and twice-yearly hands-on exams catch the slow changes an annual snapshot can miss.
Why the annual exam matters more in a dog who hides wear
An Australian Shepherd is bred to keep going. A ranch or sport Aussie with an early arthritic hip or a sore shoulder will often still sprint for a ball, finish a herding lesson, and only limp once he cools down at home, if he shows it at all. At the yearly exam the veterinarian palpates joints and muscles your hands rarely press, watches him walk and turn, listens to his heart, and checks his eyes closely — important in a breed where inherited eye problems, including cataracts and iris defects, can develop quietly. Weight is checked against his frame rather than the scale alone, because a few extra pounds on an athletic herder load already busy joints.
What gets covered at that yearly visit
Expect vaccinations reviewed against his actual lifestyle — a farm dog meeting livestock, wildlife, and standing water has different exposure from a suburban agility dog who meets fifty dogs every weekend. Parasite prevention for fleas, ticks, and heartworm is matched to your region and his time outdoors. Teeth get a real look, since Aussies who carry sticks, tug hard, and chew enthusiastically crack and wear teeth in ways owners miss. Bloodwork is often recommended as he moves into middle age, giving a baseline while he is healthy so later results mean more. Bring notes on stamina, recovery after hard days, appetite, and any staring, bumping, or night-vision hesitation you have spotted.
When to book sooner than the schedule
Do not wait for the annual date if your Shepherd squints, paws at an eye, or develops a cloudy spot in it; eye problems in this breed reward fast attention. A new limp that survives a day or two of rest, lagging behind on routes he usually leads, reluctance to jump into the vehicle, or yelping when his hips are handled all deserve an earlier appointment. So do seizures or collapse episodes, however brief, appetite loss lasting more than a day, or unexplained weight change in a dog whose exercise has not changed. Puppies go in promptly for poor feeding, persistent loose stool, or lethargy — small herding puppies fade faster than their confidence suggests.
Keeping the rhythm year after year
Put the wellness visit on the same month each year, tied to something you already do, and book the next senior visit before you leave the clinic when he moves to the twice-yearly rhythm. Between visits, your hands are the monitoring system: run them over his ribs weekly, watch him trot away from you on a flat surface now and then, and look at his eyes in good light. Keep every exam summary, vaccine record, and bloodwork result together in the Pet Passport on KinsLe, so his whole health history travels with him to any vet, boarder, or trainer who needs it.