Fostering is the most effective thing an individual can do for animals. It frees space in shelters, gives an animal a calm environment to recover in, and gives a future adopter an honest picture of what living with that animal is like.
It is also a logistical job. A home that is not prepared turns the first week into a series of small emergencies. This guide covers what to set up before the animal arrives, and what the first two weeks should look like.
Before the animal arrives
Choose one room. A spare room, a quiet corner of a living room, or a sectioned-off hallway. The animal needs a small, safe territory first. Give it the run of the house and it will spend the first days hiding under furniture.
Remove hazards. Cables, plastic bags, small swallowable objects, cleaning products, medicines, and any toxic plants. Check houseplants against a pet-toxicity list if you are unsure.
Cover what matters. A sofa throw and a washable rug save a lot of stress. Expect accidents; they are normal, especially in the first week.
Set up the basics:
- A bed or a folded blanket in a quiet corner
- Food and water bowls, away from the bed
- A litter tray for a cat, placed away from food
- A crate or carrier left open as a retreat — never used as punishment
- Puppy pads or newspaper near the door for a dog in training
- A supply of the food the animal is already eating — changing diet during a stressful move causes diarrhoea
Prepare the household. Everyone in the home should agree on rules before the animal arrives: who feeds, who walks, where the animal sleeps, and what the animal is and is not allowed to do. Inconsistency is confusing for the animal and frustrating for the people.
The first 24 hours
The goal is quiet, not affection.
- Let the animal explore the safe room on its own. Sit nearby and ignore it.
- Do not invite friends over to meet the new arrival.
- Speak softly, move slowly, and avoid looming over the animal.
- Offer food and water, then leave the room.
- Do not force interaction. A cat may stay under the bed for two days; that is normal.
- Let the animal sleep. Sleep is when recovery happens.
Resist the urge to comfort with constant handling. For a frightened animal, being left in peace is the kindness.
The two-week quarantine
If you have resident pets, keep the foster animal separate for at least two weeks. This protects everyone:
- Disease. Kennel cough, ringworm, fleas, and intestinal worms are common in rescued animals and often invisible at first.
- Stress. Sudden introductions are overwhelming for both the resident and the newcomer.
- Behaviour. You need to observe the foster animal's real temperament before you can predict how it will behave with another animal.
Use separate bowls, separate bedding, and wash your hands between animals. Do not share toys or blankets during quarantine.
Book a vet visit in the first week for a full check-up, worming, flea treatment, and a vaccination plan. Ask specifically about anything infectious that needs to be cleared before introductions.
Introductions, done slowly
After quarantine, and only with veterinary clearance:
Dog to dog. Start with a walk in neutral territory, both dogs on loose leads, walking in the same direction rather than facing each other. Keep it short and calm. Repeat several times before any meeting in the home. For the first indoor meeting, keep one dog behind a baby gate so both can retreat.
Cat to cat. Start with scent swapping — rub a cloth on one cat and leave it near the other. Then feed them on opposite sides of a closed door. Then a baby gate, with short, supervised visual contact. Then supervised time in the same room. This can take days or weeks; rushing it creates long-term conflict.
Dog to cat. Keep the dog on a lead and the cat with a clear escape route. Never hold the cat. If the dog fixates, interrupt and separate. A home with a high prey-drive dog may not be suitable for a cat, and that is useful information for the adoption team.
What to observe and report
Fosterers are the eyes and ears of the rescue. Keep notes on:
- Appetite, stool, and water intake
- Sleep patterns and where the animal chooses to rest
- Reaction to visitors, children, loud noises, and other animals
- Toilet habits and any accidents
- Play style and favourite toys
- Anything that frightens the animal
These notes become the adoption profile, and they are far more valuable to a prospective adopter than a photograph.
Looking after yourself
Fostering is emotionally demanding, especially with a sick or traumatised animal. Set expectations with the rescue group in advance:
- Who pays for food, litter, and veterinary care
- What happens if the animal needs treatment you cannot provide
- How long the placement is expected to last
- Who handles adopters and home checks
- What support is available if the animal's behaviour is difficult
A clear agreement protects the animal and prevents the resentment that ends fostering careers early.
Frequently asked questions
Do I need a garden to foster? No. A secure home, a safe room, and a commitment to walks are enough for most dogs. Not every dog needs a garden; many do well in flats with a proper walking routine.
How long do placements usually last? Anywhere from two weeks to several months, depending on the animal and the market for adopters. Ask the rescue group before you commit.
What if I become attached? That is normal, and it is also called a foster fail — adopting your foster animal. It happens often and is not a failure if the match is right.
Can I foster if I work full time? Yes, for many adult animals, provided you can arrange a midday break for a dog or choose a cat that is comfortable alone. Be honest with the rescue group about your schedule.
Safety note. This guide is general information for animal owners and rescuers, not veterinary advice. If an animal is collapsed, struggling to breathe, bleeding heavily, or fitting, contact a veterinarian immediately.