Best Dog Food for Rat Terriers – Comprehensive Buying Guide and Reviews

If you’re in a rush and would only like to find out what the best dog food for Rat Terriers is, we recommend Royal Canin Size Health Nutrition Mini Aging 12+ Dry Dog Food as the best one!

Rat Terriers are a breed of dog with compact built but elegant looking. It has a smooth and shiny coat that comes with different pied patterns.
This breed requires high-quality dog food to keep it energized all day long.
The dog food can be commercially made as long as you are sure that it contains only the best ingredients for your rat terriers.

Just like other breeds, this breed tends to get overweight, so be careful about the food you give.


In this article, we’ll be reviewing the follow dog food for Rat Terriers:

Keeping Your Rat Terriers Healthy and Active

Rat terrier is an active, playful and loyal breed that fits into every household.
If you want to be with your pet longer, you should know how to keep it healthy. There are lots of factors that you should consider like exercise, a regular visit to the vet and of course its diet. Feeding your pet terrier dog food that contains nutrients that will provide its daily requirements.

Talking to your pet’s vet can help you a lot on choosing the most appropriate dietary formula to feed your rat terrier.
Introducing a new dog food to your pet’s diet right away without consulting an expert is not a good idea. Seeking experts help and advice is recommended to make sure you will not get the wrong product.

Here are some essential macronutrients you should be looking for when choosing the best dog food for your Rat Terrier:


One of the most essential nutrients your dog food should contain is the protein. The muscle development and your pet’s energy depends on its protein intake. Choose a dog food that contains lamb, beef, chicken or bison as its main ingredient since it is rich in protein that your dog needs to achieve a healthy lifestyle.

But, stay away from dog formula that contains by-products of the mentioned protein sources as they are not easy to digest particularly for rat terrier.


Carbohydrate is an essential part of a rat terrier’s diet. It helps the dog sustain its needed energy to be active all day long. Dog treats usually contain simple carbs to provide a short burst of energy.

Complex carbs provide long term energy for your pet dogs. Although these carbs are essentials, you have to keep in mind that excess carbs can easily lead to weight gain. Well-formulated dog food will have the right amount of carbs.


Calcium, potassium, iron, and sodium are four important minerals your rat terrier needs actually even human need these. Each mineral plays a vital role in your dog’s body. These minerals are the one responsible for healthy hair and muscle growth.


Vitamins are organic compounds that are vital in sustaining life. The food you eat is a natural source of vitamins. Your pet terrier needs vitamins for maintenance and growth. The most common vitamins dogs need include:

  • Vitamin A
  • Vitamin B complex
  • Vitamin C
  • Vitamin D
  • Vitamin E
  • Vitamin K
  • Choline

Each vitamin plays an important role in your pet dog’s body.

Carrot is a good source of Vitamin A. It is the one responsible for good vision. Vitamin A can also contribute to your rat terrier’s growth, immune system, cell function, and fetal development.

Vitamin B complex is a set of vitamins that play a major role in your pet’s health. Vitamin B1 or Thiamine helps in activating ion channel in neural tissue and regulates the energy and carbohydrate metabolism.

Vitamin B2 or Riboflavin and Vitamin B12 help facilitate enzyme function. Vitamin B6 is responsible for glucose generation, nervous system function, gene activation, red blood cell, and niacin synthesis.

Pantothenic acid is the one responsible for energy metabolism. For amino acid and nucleotide metabolism your pet needs folic acid.

A good source of antioxidant is Vitamin C. Your rat terrier needs this to deal with harmful free radicals and reduces inflammation. Although dogs can produce vit. C on their own, there are some that still require supplementation.

Vitamin D or the vitamins you get from the sun helps your dog’s body to balance the calcium and phosphorous for healthy bone growth. Lack of vitamin D would mean your muscles and bones will not develop properly.

To provide defence against oxidative damage, your rat terrier needs vitamin E. It is also essential for fat metabolism and cell function. If your pet dog lack this vitamin it can result in muscle and eye degeneration as well as reproductive problems.

Vitamin K, on the other hand, is the one responsible for your dog’s ability to clot blood. Choline supports healthy brain and liver function.

Frequently Asked Questions

How much should I feed my rat terrier?

The recommended daily amount of high-quality dry food for your rat terrier is as follows:

1/4 to 1/2 cup per day for rat terriers that weighs less than 10 pounds
1/2 to 1 cup per day for 10 to 15 pounds
3/4 to 1.5 cups per day for 20-30 pounds
1.5 to 2 cups per day for 30-40 pounds

Are rat terriers good pets?

Yes and no. They are good pets especially if you have other dogs around the house as they get along well with other dogs. No, if you have very young children around and with cats as they do not get along well. But in general, they are friendly, lovable and inquisitive.

What is the life expectancy of a rat terrier dog?

According to American Kennel Club, the life expectancy of rat terriers is around 12 to 18 years. But some people say it can extend its life span up to 25 years if proper care and nutrition is given.

What breeds make up a rat terrier?

A rat terrier is a Smooth Fox Terrier with the infusions of Beagle, Chihuahua, Italian Greyhound, Miniature Pinscher, and Whippet.


Dog Food for Rat Terriers Review

Hill’s Ideal Balance Adult Natural Dry Dog Food Small Breed

Hill’s Science is a popular brand when it comes to dog food. The food is formulated by a group of experts like scientists, veterinarians, and pet nutritionist. The dog contains natural ingredients safe and balanced for small breed dogs.

Chicken As Source of Protein

This Hill’s Science Dog Food contains high-quality ingredients that offer a lean protein source for healthy muscle growth. Being chicken as the number one ingredient it offers lean protein to keep your rat terrier slim and trim and energize all day long.

Rich in Omega 3 and Omega 6

The brown rice contains natural fiber that keeps digestion healthy. It contains Omega 3 and Omega 6 fatty acids to make the skin and coat healthy and shiny. The company offers a money-back guaranteed. No wheat, corn or soy and it does not contain artificial flavor, preservatives or colors.

Combination of 50 Nutrients

This dog food is formulated with a combination of more than 50 nutrients. The experts behind this analyze each nutrient to make sure there is a proper balance. The outcome is a well-proportioned and nutritious complete meal.



  • Contains brown rice for healthy digestion
  • Supports the immune system and boost the natural defenses
  • Made of natural ingredients
  • Balanced nutrition
  • Grain-free safe for sensitive stomach



  • Does not offer a money back guarantee

>>Check Price on Amazon<<


Royal Canin Size Health Nutrition Mini Aging

According to the manufacturer of this dry dog food, there are important developmental and physical differences that are associated to a dog’s size like the length of puppyhood, bone development and muscle, digestive capacity and jaw size. Royal Canin Size Health Nutrition is formulated based on the specific needs of your dog.

Complete Food

This dog food provides a complete food for your small breed dogs that weigh up to 10kg and are more than 12 years old. It contains different nutrients that support healthy ageing, and has EPA-DHA and patented complex of antioxidants.

Supports Healthy Renal System

It is important for your small ageing breed of dogs to eat something that will support the renal system to keep it healthy. Dogs are prone to diseases that involve the kidneys.

Very Palatable and Improves Dental health

With this exclusive formula, your rat terrier will not have any problem with its appetite. Royal Canin Size Health Nutrition is very palatable and rehydrates easily to help dog’s age gracefully. The chelation agents present in calcium helps reduce the formation of tartar.



  • Free from GMO, artificial colors, preservatives and flavors
  • Promotes healthy skin and coat
  • Formulated to keep your kidneys healthy
  • Easily-rehydrated kibble for fussier and older dogs



  • The taste is not as appealing to some dogs

>>Check Price on Amazon<<



Hill’s Science Diet Dry Dog Food, Adult Chicken Meal, Brown Rice & Barley Recipe

This dry dog food has advanced nutrition to improve the dog’s mobility and joint health in 30 days. Help your dog becomes healthy and happy by providing nutritious and delicious dry food.

Keeps Joint Cartilage Healthy

To keep the joint cartilage healthy, this dog food has EPA from fish oil. It also helps improve mobility. This product contains natural sources of chondroitin and glucosamine which are the building blocks of healthy cartilage. Hill’s Science Diet Dry Dog Food, Adult Chicken Meal has balanced minerals for stronger bones.

Carefully Chosen Ingredients

If you are looking for great tasting ingredients this is a good option. Advanced food science offers the nutrition your pet needs with a taste it will surely love. The company makes sure that every recipe formulated provides what your pets need – nothing more, nothing less. The manufacturer only uses ingredients from suppliers that meet their stringent quality standards.

Nutrition Supported by Science

Hill’s Science develop consistent quality food with your pet’s need in mind. The team of experts who formulates this dog food is composed of veterinarians, pet nutritionist, and scientist. They make sure they produce a flavorful and nutritious meal.



  • Promotes mobility and healthy joint
  • Made in the USA
  • A small kibble food easy to eat and digest
  • Made of natural ingredients



  • A bit pricey

>>Check Price on Amazon<<



Royal Canin Size Health Nutrition Mini Mature 8+ Dry Dog Food

Your small pets are not just after a small kibble. Their dog food should contain more energy than bigger breed dogs as they are more active. Royal Canin Size Health Nutrition Mini Mature 8+ is a good food to give your small pets. Small breeds like rat terriers usually live longer as compared to large dogs and they have a pickier appetite. This dog food is designed to meet the needs of the small breed mature dogs between 9 and 22 lbs.

Maintains Vitality

Small breeds have a longer life expectancy, having a long maturity phase. Normally, the signs of aging appear at the age of 8 years like kidney and heart issues. Mini Mature 8+ helps in maintaining vitality with complex antioxidants like lutein, taurine, and vitamin C and E. It also support proper cardiac function as well as controlled the level of phosphorus to support healthy kidneys.

Tastes Good

Small dogs can be pickier on the food they eat. This dog food is formulated with natural flavors and aromas, together with a specially made kibble to satisfy the appetite of your small dog.

Helps Maintain the Ideal Weight

Obesity can lead to different health problems in small dogs. This dog food is formulated with the right amount of fat and energy content, together with fat-burning L-carnitine to promote a healthy weight.

Promotes Dental Health

This kibble is designed for small dog’s tiny jaw, for ease of chewing. Royal Canin Health Nutrition Mini Mature 8+ includes calcium chelating sodium tripolyphosphate to promote optimal oral hygiene by preventing the formation of tartar.



  • Helps aging small dogs mature gracefully
  • Maintains the ideal weight
  • 100% Satisfaction Guaranteed
  • Prevents the formation of tartar
  • Complete and balanced nutrition



  • Could cause diarrhea

>>Check Price on Amazon<<



Eagle Pack Natural Dry Dog Food Small Breed Dog Food Chicken & Pork

For several years now, the company has been providing dog food formula that pet owners love. It is purely made in the US and the dog food has undergone different tests to ensure its effectiveness. You can see significant changes in the dog’s coat. The kibbles are made smaller so it will be easy for smaller mouths. The Eagle Pack Natural Dry Dog Food Small Breed provides the right balance of fats, antioxidants, fats, omega fatty acids, and proteins.

Quality Protein Sources

Its main source of protein is a chicken meal. It is easy to digest protein which makes it safe for your rat terriers. This dog food makes sure that your pet dog will have enough energy to last the day. High-quality protein also helps in building your dog’s muscle.

Wholesome Grains and Fiber

Eagle Pack Natural Dry Dog Food uses grains that are safe for your dog’s sensitive stomach like brown rice, tomato pomace, and oatmeal. These sources provide nutrients and fiber for healthy digestion.

Keeps Skin and Coat Healthy

This dog food contains flaxseed that helps in keeping the skin and coat healthy and shiny. Flaxseed has a nut-like flavor. This seed is rich in omega-3 and omega-6 fatty acids that are very helpful in preventing heart problem. The omega-3 is the one responsible for keeping the skin and coat healthy.



  • Meets the standard of AAFCO
  • With added brewer’s yeast to make it even more nutritious
  • Affordable
  • Keeps skin and coat shiny and healthy
  • Easy to digest protein sources



  • Not recommended for dogs with a sensitive stomach

>>Check Price on Amazon<<



Final Verdict

This is the point where we will decide which among the five products would we think is the best dog food for rat terriers. After our thorough review, we find Royal Canin Size Health Nutrition Mini Aging 12+ Dry Dog Food as the best dog food for rat terriers. The brand focuses on the renal health of the aging dog as this is their most common problem. Of course, since it is made by a trusted company the consumers are assured that the dog food contains only high-quality ingredients.

The price is very reasonable and you will not have any problem purchasing it since it is easily available in most pet and online store. It has all the nutrients and vitamins needed by your dog at the right amount. If you find this review helpful to you, feel free to share it with others or you can comment below.

Leave a Comment