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Rats make amazing pets, but what are you supposed to feed them? To give your pet the energy to play, you'll want to keep fruit, veggies, and protein on the menu. We're going to teach you everything you need to know. Read through our complete guide below, and you'll be an expert on caring for your rat!
Steps
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Give your rat enough protein. Lab blocks are often available in varieties with varying levels of protein meant to be matched to an individual rat’s unique nutritional needs. [1] X Expert Source Brian Starr
Rat Specialist & Breeder Expert Interview. 18 March 2021. Rats are omnivores and can eat meat as well, but it should not be a normal part of the rat’s diet. Pregnant rats, babies, and young rats need more protein than normal adults. Watch for signs your rat may be protein-deficient, such as: [2] X Research source- Chronic infections
- Stress fractures in bones
- Hair loss
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Go organic. Pesticides have a variety of harmful impacts on rats, including thyroid disruption, reduced antibody count, and complications of the endocrine system. [3] X Research source In order to ensure your rat stays healthy, buy as much organic produce as possible. If you buy conventional produce:
- Scrub surface of your fruit/vegetable vigorously with a soapy solution
- Rinse with water
- Peel or scrape the outer skin off and discard
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Provide fresh fruits and vegetables. In addition to rat pellets, rats should eat a variety of fibrous fruits and veggies; but not just any vegetables and fruits will do. Some produce is bad or even harmful for rats to eat. [4] X Research source
- Acceptable fruits include apples, pears, bananas, melons, berries, and citrus fruits.
- Acceptable vegetables include broccoli, cabbage, celery, carrots, parsley, and fresh corn.
- Unacceptable fruits include mangoes and green bananas.
- Unacceptable vegetables include raw sweet potato, dried corn, avocado, raw beans, and raw artichokes.
- Approximately one tablespoon of fruits and veggies per day is enough for a healthy adult rat.
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Show some love. Like humans, rats enjoy the occasional treat. Semi-sweet chocolate, orange juice, cookies, and potato chips will be happily consumed by rats. [5] X Research source However, don’t make foods high in sugar, fat, and salt a regular part of the rat’s diet. Doing so could lead to obesity and other health problems.EXPERT TIPRat Specialist & BreederBrian Starr is a Rat Specialist and Breeder and the Owner of OC Dumbos out of Central Florida. As America’s only breeder of pet Roof Rats, Brian and OC Dumbos specialize in rat breeding, training, and care. Years of experience and several generations of careful breeding have allowed Brian and OC Dumbos to create a line of tame Roof Rats, bred to make friendly, fun pets. In addition to offering rat accessories and training resources, OC Dumbos also offers free Roof Rat adoptions.
Keep an eye on a maturing male rat's food intake. Reduce obesity risk in adult male rats by minimizing high-fat treats, and giving them low-protein diets that prevent weight gain. Stay alert for any sense of impaired mobility, like limping, which could indicate joint stress from excess body fat.
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Choose a good lab block. Lab blocks provide the best nutrition for rats. These are specially-formulated food compounds designed for rats in captivity to receive all the nutrition they need. [6] X Expert Source Brian Starr
Rat Specialist & Breeder Expert Interview. 18 March 2021. There are a multitude of lab blocks available. Some of the more reputable brands include:- Oxbow lab blocks come in two types: young and “regal” (adult).
- Harlan Teklad offers varieties of lab blocks differentiated by the protein content: 14%,16%, 18%, and 23% varieties depending on the rat’s needs.
- Mazuri and Purina, both owned by the same parent company Land O Lakes, also produce high-quality lab blocks. [7] X Research source
- Lab blocks are available for sale online or in pet stores.
- Don’t buy mixes containing lab blocks and seeds, nuts, corn, and fruit. Rats will select the latter and leave the blocks untouched, leading to nutritional shortfalls.
- Issue a small bowl of lab blocks once a day to your healthy adult rat.
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Provide fresh water. Having fresh water at all times ensures the rat is not at risk for dehydration. You can either provide a bowl of water or a bottle. In either case, fill and change the water each day.
- If you provide a bowl of water, the rats can also use it to bathe themselves. Be sure to wash the bowl daily.
- If you provide a bottle of water, make sure the mouthpiece is accessible by even the smallest rats in the cage. Check the mouthpiece regularly to ensure it is free of blockage, and give the bottle a few taps to make sure water flows freely. Be sure to empty and clean it weekly, as algae can grow inside.
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Provide a variety of food. Rats have particular palettes and should be able to make some choices about what food they want to eat. Maintaining a healthy but diverse diet will keep rats curious about and interested in their food.
- Hard-boiled eggs or food encased in a cardboard wrapper that needs to be opened somehow will stimulate rats and provide them with a learning opportunity.
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Introduce new foods slowly. If a rat eats too much of a food that disagrees with their constitution, they might have stomachaches or diarrhea. When they have a small quantity, though, they will learn whether or not they should leave it next time they encounter it.
- If you have several pet rats, make sure that when introducing a new food, you give all of them a taste. If only one rat gets a treat and the others don’t, they will smell the new food on the lucky rat later and may become aggressive. [8] X Research source
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Ensure your rat is getting an adequate amount of food. Always make sure food and water are available to all rats. [9] X Expert Source Brian Starr
Rat Specialist & Breeder Expert Interview. 18 March 2021. This requires providing enough food for each rat as well as ensuring water bottles are within reach of the baby rats, who are more vulnerable than adults to hunger and dehydration.- Rats can be aggressive. If you have several rats to a cage, be sure to provide a sufficient amount of food for each. Alpha rats (the leaders of the pack) or aggressive rats may hoard food for themselves. Always provide at least two food and water sources when housing multiple rats together.
- Rats should eat between 10% and 20% of their body weight each day. [10] X Research source
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Permit natural behaviors. Whether it’s handling food, consuming cecal pellets, or digging for food, rats should be given space to follow their biological instincts.
- Rats eat their own feces – called cecal pellets – in order to gain important nutritional content. Preventing or disrupting this behavior could result in nutritional deficiencies in your pet rat. [11] X Research source
- Let your rats handle small nuts and seeds. Do not feed them these foods frequently, however, because they are high in fat.
- Rats like to forage and search for food. If you place a small snack in a sealed cardboard tube or in an unusual place, rats will seek it out.
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Choose your food containers carefully. Metal bowls can produce sound frequencies which may disrupt the rats. [12] X Research source Use ceramic bowls instead. Ceramic bowls are also heavier, and therefore harder for the rats to tip over when feeding. Finally, choose a small bowl; the larger the bowl, the less cage space the rat has.
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Expert Q&A
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QuestionHow much do I feed my pet rat?Brian Starr is a Rat Specialist and Breeder and the Owner of OC Dumbos out of Central Florida. As America’s only breeder of pet Roof Rats, Brian and OC Dumbos specialize in rat breeding, training, and care. Years of experience and several generations of careful breeding have allowed Brian and OC Dumbos to create a line of tame Roof Rats, bred to make friendly, fun pets. In addition to offering rat accessories and training resources, OC Dumbos also offers free Roof Rat adoptions.Make sure that there's always at least one piece of food per rat in the cage at all times. Still, try not to overfeed them either—rats tend to hoard food in their cage, and it may become rotten over time.
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QuestionDo I need to put my rat's food in a bowl?Brian Starr is a Rat Specialist and Breeder and the Owner of OC Dumbos out of Central Florida. As America’s only breeder of pet Roof Rats, Brian and OC Dumbos specialize in rat breeding, training, and care. Years of experience and several generations of careful breeding have allowed Brian and OC Dumbos to create a line of tame Roof Rats, bred to make friendly, fun pets. In addition to offering rat accessories and training resources, OC Dumbos also offers free Roof Rat adoptions.No, you don't need to do that. Your rat will take the food out and do what they want with it anyway. You can just put the food wherever you want in the cage and the rat will find it and get it.
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QuestionHow much protein does my rat need?Brian Starr is a Rat Specialist and Breeder and the Owner of OC Dumbos out of Central Florida. As America’s only breeder of pet Roof Rats, Brian and OC Dumbos specialize in rat breeding, training, and care. Years of experience and several generations of careful breeding have allowed Brian and OC Dumbos to create a line of tame Roof Rats, bred to make friendly, fun pets. In addition to offering rat accessories and training resources, OC Dumbos also offers free Roof Rat adoptions.If you have a young rat, you should give them higher protein, like around 18%. Then, as they get older, you want to reduce the protein. An adult rat should be given around 16% protein. For an older rat that's getting overweight, you can even reduce it to 14% protein, which will increase their lifespan.
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Tips
- Rats eat what they like, not what is healthy for them. [13] X Research source Be sure to feed your rat a healthy, balanced diet.Thanks
- Feed your rats twice daily. Don’t worry if you don’t see them eating; they usually eat at dawn and dusk, and drink during the night. [14] X Research sourceThanks
- Always consult an experienced veterinarian with questions about your rat’s diet.Thanks
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Warnings
- Other foods on the do-not-eat- list include alcohol, carbonated beverages (rats cannot burp), peanut butter (they can choke easily on it), and oranges or orange juice (causes cancer in male rats so is best avoided).Thanks
- Do not attempt to cut out moldy sections of food. Throw it away.Thanks
- Powders and meals are a poor choice for feeding rats. They will collect on the corners of rats’ mouths and cause congestion if inhaled.Thanks
- Do not feed your rats generic rodent or rat feed. Many elements in these feed mixes are edible for guinea pigs and other rodents but are indigestible, carcinogenic, [15] X Research source or nutritionally empty for rats. They lack the full nutritional profile of lab blocks.Thanks
- Try not to have a large surplus of food. It can get molder, and mold filaments often reach deeply into food and spoil a whole batch.Thanks
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References
- ↑ Brian Starr. Rat Specialist & Breeder. Expert Interview. 18 March 2021.
- ↑ Rats: Everything about Purchase, Care, Nutrition, Handling, and Behavior, 52, https://books.google.com/books?id=U_mk5vRZp-4C&lpg=PP1&dq=how+to+feed+a+rat&pg=PA52&redir_esc=y#v=onepage&q&f=false
- ↑ https://books.google.com/books?id=QewdXlpdV5UC&lpg=PA184&ots=3aPL8iEOdU&dq=effect%20of%20pesticides%20on%20rats&pg=PA184#v=onepage&q&f=false
- ↑ https://kb.rspca.org.au/What-should-I-feed-my-pet-rat_268.html
- ↑ https://books.google.com/books?id=Kb0sp1iU7mwC&lpg=PP1&dq=pet%20rat&pg=PA32#v=onepage&q&f=false
- ↑ Brian Starr. Rat Specialist & Breeder. Expert Interview. 18 March 2021.
- ↑ https://www.afrma.org/bc_ratfood.htm
- ↑ https://www.rspca.org.uk/adviceandwelfare/pets/rodents/rats/diet
- ↑ Brian Starr. Rat Specialist & Breeder. Expert Interview. 18 March 2021.
- ↑ https://animals.mom.me/safe-fruits-veggies-fancy-rats-2025.html
- ↑ https://www.rspca.org.uk/adviceandwelfare/pets/rodents/rats/diet
- ↑ https://www.rspca.org.uk/adviceandwelfare/pets/rodents/rats/diet
- ↑ https://www.afrma.org/bc_diettumor.htm
- ↑ https://www.rspca.org.uk/adviceandwelfare/pets/rodents/rats/diet
- ↑ https://www.nkrats.com/lab-block.html
About This Article
Article Summary
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To feed a pet rat, give it between 10 and 20 percent of its body weight in food each day. You can feed your rat pellet food, fresh fruits and vegetables, and occasional treats like cookies and chocolate. Just avoid feeding it mangoes, green bananas, sweet potato, dried corn, avocado, beans, or artichokes since these foods aren't safe for rats. You should also give your rat a small bowl of lab blocks once a day so it gets all the nutrients it needs. For more tips from our Veterinary co-author, like how to introduce new food to your rat's diet, read on!
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