Write the schedule for the least experienced reader
A schedule fails when it is written in one person's shorthand. Set out each day in plain lines: the meal times, the exact food and the measured amount per meal, where the food is kept, and anything that must never be fed. Follow with the regular care items in time order, described simply by what they are for and when they happen, and any rule that matters, such as giving something with food or after a walk. Avoid family abbreviations and vague amounts like a handful or a scoop unless the scoop itself lives in the tub and is named in the note. If a sensible twelve-year-old or a visiting grandparent could follow the page alone at seven in the morning, it is written clearly enough.
Put names and days against every job
Unowned tasks get done twice or not at all. Against each line, name who does it on school days, who covers weekends, and who is the backup when that person is out. In a busy house the classic accidents are the morning feed given by two people who each assumed the other had slept in, and the evening routine missed because everyone thought someone else was home. A simple rota settles it, and it also spreads the work fairly enough that children can own real jobs, such as the morning water refill, and learn that the dog's day depends on them doing it without being chased.
Tick off in the moment, never from memory
The tick is the system. Each job gets marked the moment it is finished, by the person who did it, not reconstructed at bedtime. That single habit prevents the most worrying household error, something given twice because two people each did it kindly and neither recorded it. If a meal is refused, a portion is only half eaten, or a job is deliberately skipped, write that down too, with the time, because a pattern of refused breakfasts is information your vet will want, and a note stops the next person offering the meal again an hour later. Cross nothing out into illegibility; replace a changed line cleanly and date the change.
Keep one live version where the food lives
Schedules rot when copies multiply: the fridge list says one amount, a phone note says another, and a well-meaning relative works from the oldest. Keep a single current version, stored where the feeding actually happens, and destroy or clearly archive the version it replaces. Review the whole page after vet visits, weight changes, or a new food, and whenever a helper reports confusion, since confusion usually means the page, not the person, is unclear. Tape a small agreed note beside the schedule covering what to do if a meal or regular item is missed entirely, settled with your vet in advance, so nobody improvises and gives it twice to catch up. KinsLe's Care Teams turns that page into assigned duties for each family member, and every completed task is marked with a timestamp, giving the whole household one live schedule instead of competing paper copies.