Ingredient file // Animal protein
Beef Plasma
A useful wet food binder with real protein
Beef plasma is the protein-rich liquid separated from cattle blood, often spray dried for pet food. In wet food, its proteins help meat hold together and add to the protein total. Claims about protecting a dog's gut outrun the beef-specific evidence.
- What it is
- The protein-rich liquid portion of cattle blood, separated from blood cells and often dried for food use.
- Made from
- Blood collected during cattle processing
- Main job
- Binding wet food
- Typical amount
- Canned loaf tests used about 1 to 5%
- Watch for
- Dogs with a diagnosed beef allergy
- Not the same as
- Whole blood meal
Our read // In our catalog
In 1 of every 2533 foods we track
Share of foods that list it
0%
1 of the 2,533 foods with an ingredient list on file, from 1 brand. All wet dog food.
Each square is 1% of the catalog
Where it sits on the label
Median position 7. In the top five of 0 foods, so it is usually a supporting ingredient.
Above the salt
Almost always listed before the salt, so there is more of it than a pinch.
Price per lb
Median of the cheapest bag price across 1 priced foods, 129% above the catalog. The price is the food's, not the ingredient's.
Who leans on it
100%
of the foods that list it are from Hill's. 1 brand use it in total.
What it is
How it is made
Cattle processing yields blood alongside meat. Processors keep the blood liquid, separate its cells, concentrate the remaining plasma and spray dry it into a powder that food makers use for binding.4,6
- 01 // Source Cattle blood Blood is collected during cattle processing before its useful fractions are separated.
- 02 // Process Kept liquid An anticoagulant prevents clotting while the collected blood is refrigerated.
- 03 // Process Cells spun off A centrifuge separates red blood cells from the lighter plasma.
- 04 // Process Concentrated and dried Water is removed, then the concentrated plasma is spray dried into a fine powder.
- 05 // Output Beef plasma The powder reaches food makers as a concentrated protein that binds water and fat when heated.
What is in it
Composition, dry matter
81
% protein
Protein in one analyzed bovine batch. Plasma contributes real protein, although its chief job in wet food is usually texture.
Why it is in the bag
What the manufacturer gets
-
01
Holds meat together
Plasma proteins form a gel when canned food is heated. That gel holds water and fat in the meat, giving a loaf a firmer shape.4
-
02
Adds concentrated protein
Separating the cells and drying the plasma leaves a protein-rich powder. It contributes to the food's protein total even when added chiefly for texture.5,6
-
03
Replaces other binders
A canned loaf study found that plasma could replace binding ingredients at a similar formula cost while reducing liquid lost from the cooked loaf.4
How much Canned loaf tests used about 1 to 5% animal plasma; those tests do not show a usual level for every beef plasma recipe.4
Our read // The claims
What the evidence supports
Strong: controlled studies in dogs agree. Some: small or mixed dog data. Thin: mechanism or lab work only. None: nothing, or the evidence points the other way.
-
Brands say
Beef plasma keeps wet food together
Evidence
- Strong
- Some
- Thin
- None
In canned loaf tests, animal plasma made a firmer product with less liquid loss than wheat gluten at the same 2% inclusion. This supports its binding job, though the tested plasma was not identified as beef-only.4
-
Brands say
Beef plasma makes food easier to digest
Outruns the evidence
Evidence
- Strong
- Some
- Thin
- None
A supplier-authored series involving 22 dogs found 3.2% higher dry matter digestibility with 2% animal plasma. A later 12-dog porcine plasma trial found no gain in total nutrient digestibility. Neither tested beef plasma in wet food.1,2
-
Brands say
Dogs prefer the taste of beef plasma
Outruns the evidence
Evidence
- Strong
- Some
- Thin
- None
In a 20-dog preference test, 2% animal plasma improved preference while 4% reduced it. An earlier canned loaf test found dogs did not prefer plasma over wheat gluten. Neither isolated beef plasma's flavor.3,4
-
Brands say
Beef plasma strengthens gut immunity
Outruns the evidence
Evidence
- Strong
- Some
- Thin
- None
In 12 Beagles, a diet with 8% porcine plasma raised fecal IgA, an immune marker. The trial did not test beef plasma or measure protection from infection, so the claim goes beyond the result.1
Straight answers
What owners ask
-
Q01
Is it just filler?
NoIt has a clear job in wet food: its proteins bind water and help the food keep its shape. It also adds protein. Its presence does not mean the food contains much beef meat.4,5
-
Q02
Is it the same as blood meal?
NoPlasma is separated from the red blood cells before drying. Whole blood meal includes those cells, so the ingredients have different compositions and different jobs in a recipe.4,6
-
Q03
Why is it low on the list?
Small doseIngredients appear by weight, and canned loaf tests achieved binding with relatively little animal plasma. A lower position fits that processing job; it does not tell you whether the finished food has enough protein.4,8
Who uses it
Brands, best sellers and the company it keeps
Top brands, by foods that list it
Usually listed with, share of the foods that list it
- Beef 100%
- Water 100%
- Beef Lung 100%
- Tapioca Starch 100%
- Beef Liver 100%
- Carrots 100%
- Powdered Cellulose 100%
- Sunflower Oil 100%
- Salt 100%
Our read // On the bag
Read it as a binder and protein
On a wet food label, look at the named meat and other protein sources around beef plasma. Plasma adds protein and helps the food hold together, but a small binding amount cannot replace the main meat ingredients. If your dog must avoid beef, count plasma as beef.
Sources
What we read
Checked October 1, 2026.
- 1 Effects of spray-dried plasma on nutrient digestibility, fecal metabolites, microbiota, and immune and inflammatory biomarkers in adult dogs
- 2 Effects of spray-dried animal plasma on intake and apparent digestibility in dogs
- 3 Palatability Testing of Spray-Dried Animal Plasma-Infused Dog Foods and Treats
- 4 Functional properties of spray-dried animal plasma in canned petfood
- 5 Effects of Spray-Dried Animal Plasma in Calf Milk Replacer on Health and Growth of Dairy Calves
- 6 Growth performance of weanling pigs fed diets containing spray-dried bovine plasma or hydrolyzed spray-dried bovine plasma
- 7 Critically appraised topic on adverse food reactions of companion animals (2): common food allergen sources in dogs and cats
- 8 What’s in the Ingredients List?