BARF is not one standard recipe. The term covers a broad range of diets containing raw meat, organs, sometimes bones and other ingredients, prepared at home or sold as finished foods. A combination of “meat + organs + bone” does not, by itself, guarantee that a meal meets the needs of a particular dog or cat.
It is also important to know the official safety position: the CDC does not recommend raw pet food for dogs or cats because of the risk from germs that can affect animals and people [1]. If you still choose raw feeding, a good start happens before the first bowl: assess the animal, prepare a complete recipe and make a hygiene plan.
Start with the animal, not the ingredient list
A recipe must fit the species, life stage, body weight, body condition and health status. A puppy or kitten, a pregnant or nursing animal, or a pet with an illness or medication should not begin a homemade diet from a general online guide. Their requirements and margin for error differ, so the plan should be prepared with a veterinarian who has expertise in nutrition [2] [3].
The household matters too. Children under five, pregnant people, older adults and anyone with a weakened immune system have a greater risk of serious foodborne illness. Extra caution also applies to young, ill or immunocompromised pets [1]. In these situations, a complete heat-treated diet may be the safer option.
Have the complete recipe ready before the switch
There is no well-supported universal rule that every dog or cat should switch overnight and eat only lean meat for the first 3–7 days. WSAVA's guidelines state that no transition method has been shown to be superior: some animals tolerate an abrupt change, while others appear to have fewer gastrointestinal problems with a gradual change over 7–10 days [4].
Meat from one species is not a complete diet. It does not provide every required nutrient in the right amount and proportion for every life stage. An evaluation of 95 home-prepared raw rations for adult dogs found inadequate calcium, vitamin D or iodine in portions of the sample [5]. Before starting, prepare the whole formula: every ingredient and supplement with an exact amount, plus the intended daily portion. If the recipe relies on kelp for iodine, confirm that the iodine declared on the pack matches what you enter, because a nutrient in a natural supplement can vary widely between batches — see why supplement batches differ.
If you buy a commercial raw food, check that it is labelled complete for the correct species and life stage. A complementary or supplemental food is not intended to meet the animal's entire requirement on its own [2]. Bones should not be added by guesswork either. Alongside their effect on calcium and phosphorus, they can cause broken teeth, constipation, or an intestinal or oesophageal obstruction [6].
Change food at the animal's pace
For a healthy adult animal, a gradual change is a common starting point: increase the share of the new, already complete recipe while reducing the current complete food over roughly 7–10 days. This is not a fixed timetable. The pace should reflect appetite, previous gastrointestinal problems and veterinary advice [4].
A cat may accept a new food better when it is first offered in a separate bowl beside the usual food. Do not try to “wait out” a cat that refuses to eat. AAHA/AAFP guidance recommends allowing cats to express a preference and avoiding changes that create food aversion [7]. If a cat stops eating, or either a dog or cat develops repeated vomiting, diarrhoea, blood in the stool, marked lethargy or pain, stop the experiment and contact a veterinarian.
During the change, watch appetite, body weight, general wellbeing, vomiting and stool. A normal stool provides information about short-term tolerance; it does not prove that the diet is complete, because nutrient deficiencies can develop without an immediate sign [4] [5].
Raw meat needs its own hygiene plan
Raw pet food can carry pathogens including Salmonella and Listeria. Freezing, freeze-drying and dehydrating do not kill every germ [1]. In a multi-laboratory FDA study, Salmonella was detected in 15 of 196 raw pet-food samples and Listeria monocytogenes in 32 [8].
In practice:
- thaw food in a sealed container in the refrigerator, away from food for people;
- wash hands thoroughly before and after preparing the meal;
- promptly and thoroughly wash the bowl, worktop, knives and anything else that touched the raw food;
- discard leftovers that have stood at room temperature;
- do not let the pet lick faces, mouths or broken skin immediately after a meal.
These steps reduce risk, but they do not remove it [1].
NRC, FEDIAF and AAFCO are different reference points
- NRC is a scientific reference on dog and cat nutrient requirements. It includes minimum requirements, recommended allowances and, where the evidence allows, safe upper limits. It is not a ready-made raw recipe [9].
- FEDIAF turns scientific evidence into practical recommendations for complete and complementary commercial foods for healthy dogs and cats in Europe. Its tables distinguish species and life stage, and the guidance also recommends validating a finished product through chemical analysis [2].
- AAFCO provides nutrient profiles and feeding-trial protocols used to substantiate a US “complete and balanced” statement for a specified species and life stage [10].
Comparing a recipe with these tables is a useful check, but it does not replace an assessment of the animal or test the meal's microbiological quality. The units, assumed calorie content, species and life stage must also match the chosen reference.
Where BARFLAB helps
In BARFLAB, you can enter ingredients and amounts, then compare the calculated nutrient profile with selected NRC, FEDIAF and AAFCO reference values. That can reveal shortages and excesses before a recipe is served. The result still depends on choosing the correct products and entering accurate weights; a calculator cannot assess health status or detect pathogens in meat.
You can review ingredient data in the product catalog. For a kitten, puppy, pregnant or nursing animal, or a pet with an illness, use the calculations as material to review with a veterinarian who has expertise in nutrition, not as a stand-alone confirmation that the recipe is safe.
What to remember
A good start is not about serving the first raw bowl as quickly as possible. First prepare a complete recipe for the correct species and life stage, choose a transition that suits the individual animal, and organise safe storage and cleaning. There is no need to put every dog and cat through several days of lean meat alone; a complete plan from the start matters more.
Sources
- Centers for Disease Control and Prevention (2025). About Pet Food Safety. https://www.cdc.gov/healthy-pets/about/pet-food-safety.html
- FEDIAF (2025). Nutritional Guidelines for Complete and Complementary Pet Food for Cats and Dogs. PDF
- AAFCO. Selecting the Right Pet Food. https://www.aafco.org/consumers/understanding-pet-food/selecting-the-right-pet-food
- WSAVA Nutritional Assessment Guidelines Task Force (2011). WSAVA Nutritional Assessment Guidelines. https://doi.org/10.1111/j.1748-5827.2011.01079.x
- Dillitzer N, Becker N, Kienzle E (2011). Intake of minerals, trace elements and vitamins in bone and raw food rations in adult dogs. https://doi.org/10.1017/S0007114511002765
- WSAVA Global Nutrition Committee. Raw Meat Based Diets for Pets. PDF
- AAHA/AAFP (2021). Feline Life Stage Guidelines. https://www.aaha.org/aaha-guidelines/2021-aaha-aafp-feline-life-stage-guidelines/
- Nemser SM et al. (2014). Investigation of Listeria, Salmonella, and toxigenic Escherichia coli in various pet foods. https://doi.org/10.1089/fpd.2014.1748
- National Research Council (2006). Nutrient Requirements of Dogs and Cats. https://doi.org/10.17226/10668
- AAFCO. Reading Labels. https://www.aafco.org/consumers/understanding-pet-food/reading-labels/