Science Selective Mouse & Rat Food, 4.4-lb bag

By Science Selective
Rated 4.8409 out of 5 stars
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$15.29Chewy Price
$17.99Chewy Price
$14.53Autoship Price
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About This Item

  • This tasty rat food contains fruits as apple and black currant—providing the healthy support of antioxidants and a high vitamin content to your little pal.
  • Rich in natural ingredients, this formula helps encourage a healthy coat, skin and digestive system.
  • This rat food is high in polyunsaturated fatty acids, low in saturated fatty acids, and low in cholesterol, helping to support your little buddy’s cardiovascular health!
  • Helps to promote healthy teeth, containing zero added sugar and encouraging dental wear.
  • Highly palatable and delicious, this formula is designed specifically for your rat’s nutritional needs, and is suitable for any breed.
Play Video: Learn More About Science Selective From Our Team of Experts
Learn More About Science Selective From Our Team of Experts

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Top IngredientsWheat, Soybean Meal, Barley...Dehulled Soybean Meal, Ground Corn, Wheat Middlings...Whole Brown Rice, Oat Groats, Wheat Bran...Corn; Ground Corn; Wheat; Sunflower Seed; Dehulled Soybean Meal; Rolled Oats; Oat Groats; Shelled Peanuts; Suncured Alfalfa Meal; Rolled Barley; Milo; Millet; Ground Wheat; Whole Peanuts; Ground Rice; Dried Bananas; Dehydrated Carrots; Raisins; Pumpkin Seeds; Ground Oats; Dried Papaya; Green Split Peas; Yellow Peas; Dicalcium Phosphate; Calcium Carbonate; Dried Pineapple; White Northern Beans; Soybean Oil; Corn Gluten Meal; Salt; Ground Flax Seed (Source of Omega-3); Dried Cane Molasses; Ground Peanuts; Dextrose; Almond Slices; Alfalfa Nutrient Concentrate; Fructooligosaccharide; L-Lysine; DL-Methionine; Vitamin A Supplement; Choline Chloride; Dried Molasses Beet Pulp; Yeast Extract; Wheat Germ Meal; Brewers Dried Yeast; Dried Whole Egg; Vitamin E Supplement; Vitamin B12 Supplement; Riboflavin Supplement; Ferrous Sulfate; Mixed Tocopherols (Preservative); Yucca Schidigera Extract; Manganous Oxide; Zinc Oxide; Niacin; Menadione Sodium Bisulfite Complex (Source of Vitamin K activity); Copper Sulfate; Vegetable Juice (Color); Beta-Carotene (Color); Sesame Seed; Honey; Calcium Pantothenate; Rosemary Extract; Citric Acid; Cholecalciferol (Source of Vitamin D3); Pyridoxine Hydrochloride; Thiamine Mononitrate; Folic Acid; Calcium Iodate; Biotin; Cobalt Carbonate; Sodium Selenite; Dried Bacillus Licheniformis Fermentation Product; Dried Bacillus Subtilis Fermentation Product....Corn, Ground Corn, Wheat...
Food FormPelletsPelletsPelletsDry Food, SeedsGrains, Nuts, Mix
Health FeatureVitamins & Minerals, Skin & Coat Health, Digestive Health...Dental & Breath CareVitamins & MineralsDigestive HealthDental & Breath Care, Digestive Health
Small Pet TypeRatRat, MouseRatMouse, RatMouse, Rat
Special DietHigh-ProteinLow Fat

Questions & Answers

2 Customer Questions

What is the size of this kibble?
Answer by ChewyJan 26, 2021
The kibbles are small triangle shaped nuggets suitable for rats and mice.

What is the crude protein content in this food? There is no picture for the percentages for anything on here.
Answer by ChewyMay 03, 2020
This food contains 14% Crude Protein, minimum. For a complete list of ingredients and the guaranteed analysis, click the “Nutritional Info” tab on the product page.  

ReviewsWrite a Review

Rated 4.8409 out of 5 stars
44 Reviews
Would recommend to a friend

44 Customer Reviews

Rated 4 out of 5 stars
By Sarah on Jul 26, 2022

Only kibble my rats will eat

As the title says, this is the only kibble I feed my rats as they are picky brats and would rather starve than nibble at an oxbow or mazuri block. They are very happy with this and they are hard enough that they love to crunch on them, but my rat with tooth problems can still chew them with his molars. I do wish for the quantity that the price wasn't so high, as with four rats a single bag lasts about a month even when mixed with some extra grains, nuts, and vegetables.

Rated 5 out of 5 stars
By Kimm on Sep 12, 2022

Really great product

My rodents seem to love this food and they are very healthy. I think it's apple flavor possibly but it's one of the only ones they eat

Rated 5 out of 5 stars
By Rats on Aug 5, 2022

The ladies love it!

I got this to transition my 2 ladies from young rat food since they’re about 6 months old and they eat this like it’s a special snack!

Rated 5 out of 5 stars
By tonybeanzbuttons on Jul 6, 2022

My rats are OBSESSED

This is their FAVORITE pellet. They'll even choose it over fruit and veg at times, they absolutely love it!!!

Rated 5 out of 5 stars
By Pamela on Feb 18, 2022


My daughtets rats absolutely love this food. She has to make sure she doesn't overfeed them with this food because they can easily overeat it, that's how much they like it. Definitely worth every cent. I highly recommend buying it, especially if your rats are picky about their food like hers are.

Rated 5 out of 5 stars
By Chey on Mar 9, 2022

My rats love it!

Science Selective is one of two lab blocks available in the USA that meet modern nutrition requirements for pet rats. The other is Oxbow Essentials. Please do your rodent friends a favor and offer one of these foods to them!

Rated 5 out of 5 stars
By arkanthis on Jan 7, 2022

Solid food for rats

I normally feed my rats the Envigo-Teklad block, which is getting harder to come by these days. During the holidays I was running out, so I checked out the Science Selective and gave it a try. The ingredients were similar enough to the Teklad to convince me. As per Chewy usual it came quickly. Despite an issue with the shipping label one of the customer service peeps got that sorted out and delivered to me immediately, and I haven't been disappointed. My rats love it. Would definitely buy again.

Rated 5 out of 5 stars
By Acie on Mar 19, 2022

Smell great

I bought this along with Oxbow rat and mix them together with black oil sunflower seeds and Basic 4 GM cereal. Science Selective smells great and the babies love it.

Rated 5 out of 5 stars
By PiperCat on Mar 1, 2022

Great rat and mouse food choice

Offering my rats a variety of foods is important to me. They like this a bit more than oxbow and it seems to be keeping them at a healthy weight. A lot of food for an affordable price.

Rated 4 out of 5 stars
By Kelly on Jan 23, 2022

Rats will eat it

I ordered this because the rats just don't like their Oxbow food. This food looks similar but the rats eat it (hooray). They are not ga-ga over it - they'd rather have table scraps, dry pasta, nuts, but they will eat it.