Cricket Protein Digestibility: How It Compares to Fish Meal and Soy

Protein percentage tells formulators how much protein is present. Digestibility tells them how much of that protein the animal or person can actually use. For pet food nutritionists, aquaculture feed formulators, and R&D teams evaluating protein ingredients, digestibility is often the more important number — because a high-protein ingredient with poor digestibility delivers less usable nutrition per inclusion than a moderately lower-protein ingredient that is highly digestible. Cricket protein powder scores well on both counts. This article examines what digestibility means, how cricket protein performs, and how it compares against the key protein sources it is most likely to replace in pet food and feed formulations.

~92%	>80%	≥70%	≤3%
Protein digestibility of cricket meal (published reference data)	Minimum digestibility threshold used in Protanica technical claims	Crude protein by dry weight — the protein available to be digested	Moisture content — low moisture means no dilution of nutritional value

Note on digestibility figures: The ~92% figure comes from published peer-reviewed comparisons of common feed proteins including house cricket. Protanica's conservative technical claim is >80% to account for variability across processing conditions and application types. Both are referenced in this article in their appropriate contexts.

What Digestibility Means — and Why It Matters More Than Crude Protein Alone

Crude protein — the figure most commonly reported on ingredient specifications — measures the total nitrogen in an ingredient and converts it to an estimated protein equivalent. It does not measure how much of that protein the body can actually absorb and use. Digestibility does. Protein digestibility is expressed as a percentage of the crude protein that is absorbed across the intestinal wall and made available for metabolism. An ingredient with 80g of crude protein per 100g and 90% digestibility delivers 72g of usable protein per 100g. An ingredient with 80g of crude protein but only 60% digestibility delivers only 48g of truly usable protein — 33% less, despite identical headline figures. For pet food and feed formulators, this distinction is especially important because the cost of an ingredient must ultimately be measured against the nutrition it actually delivers — not the nitrogen it contains. Digestibility is the variable that closes that gap.

How Cricket Protein Digestibility Compares to Common Feed Proteins

Protein Source	Crude Protein (%)	Protein Digestibility (%)	Usable Protein per 100g
Soybean meal	~46%	~95%	~44g
House Cricket (Acheta domesticus)	~74%	~92%	~68g
Fish meal	~66%	~87%	~57g
Feather meal	~80%	~60%	~48g
Poultry meal	~60%	~52%	~31g

Source: Published comparative data on feed protein sources including Protanica internal data. Digestibility values are approximate averages from peer-reviewed literature and may vary by processing method, supplier, and application species. Usable protein = crude protein × digestibility rate.

The data reveals a pattern that is not immediately obvious from crude protein figures alone. Feather meal, for example, carries the highest crude protein at ~80% — but its digestibility of only ~60% means it delivers less usable protein than cricket, fish meal, or even soybean meal. Cricket protein, by contrast, combines a high crude protein content with a digestibility rate of approximately 92% — delivering the highest usable protein per 100g of any ingredient in this comparison.

Why Cricket Protein Digests So Well

1. Natural thermal processing — no chemical extraction

Protanica's cricket protein powder is produced through natural thermal drying and mechanical milling — a process that opens the protein matrix and makes amino acids more accessible for enzymatic digestion, without the use of solvents or chemical extraction agents that can denature proteins and reduce their digestibility. The result is a gently processed ingredient whose protein structure remains highly bioavailable.

2. No anti-nutritional factors

Unlike plant protein sources — particularly soybean meal — cricket protein contains no phytates, lectins, tannins, or trypsin inhibitors. These anti-nutritional factors (ANFs), naturally present in legumes and grains, interfere with protein digestion by binding to digestive enzymes or forming indigestible complexes with proteins. Cricket protein is free from all of these, which is one reason its digestibility consistently outperforms soybean meal in animal feeding trials despite soybean meal's higher in-vitro digestibility figure.

What High Digestibility Means for Your Specific Application

Pet food

High protein digestibility in pet food means more usable amino acids per serving, better feed conversion, and smaller stool volume — a practical indicator of nutrient uptake that many premium pet food brands now include in their product claims. For dogs with food sensitivities, cricket protein's novel protein status combined with its high digestibility makes it a particularly relevant ingredient for sensitive stomach and elimination diet formulations.

Aquaculture

In shrimp and salmon feed, protein digestibility directly affects growth rate and feed conversion ratio (FCR) — the key efficiency metric in aquaculture production. Fish meal has long been the benchmark digestible protein in aquaculture feed, but supply constraints and sustainability pressures are driving the sector to seek alternatives. Cricket protein's digestibility profile of ~92% places it directly competitive with fish meal at ~87%, while offering a cleaner supply chain and significantly lower environmental footprint.

Human food and sports nutrition

For human food applications, high digestibility supports the effectiveness of protein content claims. A protein that is highly digestible and complete — as cricket protein is — delivers its full amino acid profile for muscle protein synthesis, enzyme production, and metabolic function. For sports nutrition formulations specifically, this positions cricket protein as a credible single-ingredient complete protein for recovery and performance products.

Crude protein tells you what is there. Digestibility tells you what works. Cricket protein powder delivers both — ~74% crude protein and ~92% digestibility — meaning more usable nutrition per gram than any conventional feed protein in this comparison.