Acheta Domesticus Feed Requirements: What House Crickets Need to Thrive
Feed is your biggest variable input cost and your biggest lever on FCR. Get it right and your operation runs efficiently. Get it wrong and you spend more on feed to produce the same output, or worse, produce suboptimal crickets that affect your reputation with buyers.
The core number you need to know: a 22-25% protein content in cricket feed produces the best FCR for Acheta domesticus. Below 18% protein, FCR degrades above 2.5. Above 30%, you get accelerated growth in some studies, but also increased mortality that erodes the benefit.
This guide covers macronutrient targets, feed options (commercial and DIY), and how to schedule feedings for best results.
TL;DR
- The optimal protein content for Acheta domesticus feed is 22-25% by dry weight -- below 18% pushes FCR above 2.5.
- Carbohydrates should make up 45-55% of the diet; exceeding 60% elevates fat content in finished crickets.
- DIY feed blends cost $0.20-$0.40/lb versus $0.50-$1.50/lb for commercial feed -- the savings justify the prep labor at 20+ bins.
- Non-medicated chicken starter (22%+ protein) is a workable budget substitute; medicated chicken feed is toxic to crickets.
- Feed pinheads finely powdered feed 3 times per day -- coarser feed given once is largely inaccessible at that size.
- Feed to observed consumption rather than a fixed quantity -- uneaten feed molds and creates humidity and pest problems.
- A basic DIY formula of 40% cracked corn, 20% wheat bran, 25% dehulled soy meal, 10% oat groats, and micronutrient premix produces approximately 22% crude protein.
Protein
Target: 22-25% of diet by dry weight
Protein drives growth rate and FCR more than any other macronutrient.
- At 22-25%, Acheta domesticus achieves its best FCR (1.7-2.1 for well-managed operations).
- Sources: soy meal, fish meal, corn gluten meal, dried insects
Carbohydrates
Target: 45-55% of diet by dry weight
Carbohydrates provide the energy for activity and metabolic function.
- Too high (above 60%) and you get cricket flour with elevated fat content, a problem for processors who need a specific fat percentage.
- Sources: cracked corn, wheat bran, oat groats, rice bran
Fat
Target: 5-10% of diet by dry weight
Dietary fat at this range is adequate for membrane function and fat-soluble vitamin absorption.
Macronutrient Requirements
Acheta domesticus is omnivorous. In the wild, it eats plant material, organic debris, and protein from other insects. In production, you're replicating that balance in a controlled diet.
Protein
Target: 22-25% of diet by dry weight
Protein drives growth rate and FCR more than any other macronutrient. At 22-25%, Acheta domesticus achieves its best FCR (1.7-2.1 for well-managed operations). At 18-22%, growth is adequate but FCR climbs. Below 18%, FCR consistently exceeds 2.5.
Sources: soy meal, fish meal, corn gluten meal, dried insects
Carbohydrates
Target: 45-55% of diet by dry weight
Carbohydrates provide the energy for activity and metabolic function. The right carbohydrate level fuels growth without excessive fat deposition. Too high (above 60%) and you get cricket flour with elevated fat content, a problem for processors who need a specific fat percentage.
Sources: cracked corn, wheat bran, oat groats, rice bran
Fat
Target: 5-10% of diet by dry weight
Dietary fat at this range is adequate for membrane function and fat-soluble vitamin absorption. Excessive dietary fat doesn't improve FCR and increases the fat content of the finished cricket, which matters for flour processors targeting specific nutritional specs.
Vitamins and Minerals
Acheta domesticus requires vitamin A, B vitamins (particularly B12 and riboflavin), vitamin D, calcium, and phosphorus. Commercial cricket feeds include a premixed micronutrient package. DIY feeds need a supplemental vitamin-mineral premix (available from poultry feed suppliers) to meet these requirements.
Calcium is particularly important for molting, the exoskeleton requires calcium for proper formation. Deficient calcium in the diet leads to incomplete molts and elevated mortality during the molting phase.
Commercial Feed Options
Commercial cricket feeds are formulated to meet Acheta domesticus nutritional requirements without the mixing and preparation overhead of DIY formulas.
Mazuri Cricket Diet: Widely used, consistently formulated, and specifically designed for Acheta domesticus production. Protein content around 22-24%. Available in 25-50 lb bags through Mazuri distributors.
Fluker's Cricket Feed: More widely available through pet supply channels; useful for smaller operations or mixed feeder/production setups. Protein content around 18-20%, at the lower end of optimal.
Agricultural bulk blends: Some commercial cricket farms work with regional feed mills to produce custom bulk blends at lower per-pound cost than branded cricket feeds. This approach requires minimum order quantities that only make sense for operations feeding 50+ bins.
Cost: Commercial cricket feed runs $0.50-$1.50 per pound depending on brand and volume. At $1.00/pound and an FCR of 1.9, you're spending about $1.90 in feed per pound of cricket produced, before accounting for other inputs.
DIY Feed Formulas
DIY feed saves 40-60% on per-pound feed cost but requires 2-3 hours of additional weekly preparation time. At small scale (under 20 bins), the economics typically don't favor DIY. At commercial scale, the cost savings justify the labor.
Basic DIY Formula (22% Protein Target)
This formula is a starting point; adjust based on available ingredients and your operational scale:
| Ingredient | Percentage by weight | Role |
|---|---|---|
| Cracked corn | 40% | Carbohydrate base |
| Wheat bran | 20% | Carbohydrate, fiber |
| Soy meal (dehulled, 48% protein) | 25% | Primary protein source |
| Oat groats | 10% | Energy, palatability |
| Vitamin-mineral premix (poultry) | 4% | Micronutrient coverage |
| Calcium carbonate | 1% | Calcium supplementation |
This mix produces approximately 22% crude protein. Run a feed lab analysis on your first batch to verify actual protein content before committing to the formula at scale.
Cost Comparison
A DIY blend using commodity ingredients typically costs $0.20-$0.40 per pound at bulk purchasing scale. Compared to $0.80-$1.50 for commercial feed, the savings per production cycle are meaningful for a 50+ bin operation.
Can You Use Chicken Feed for Acheta Domesticus?
Yes, with caveats. Standard layer chicken feed has protein content of 16-18%, below the 22-25% optimal range for Acheta domesticus. Starter chicken feed (typically 22-24% protein) is closer to optimal and is used by some cricket farmers as a cost-effective base.
The concern with chicken feed is the form factor: medicated chicken feed (which contains coccidiostats) should never be used for crickets. Check the label. Non-medicated chicken starter at 22%+ protein is an acceptable budget option for small operations, though FCR will likely be slightly higher than with a purpose-formulated cricket feed.
Feeding Schedule
Frequency by Life Stage
| Life Stage | Recommended Frequency |
|---|---|
| Pinhead (0-7 days post-hatch) | 3x per day |
| Early nymph (1-3 weeks) | 2x per day |
| Mid nymph (3-5 weeks) | 2x per day |
| Late nymph / Adult | 1-2x per day |
| Breeding adults | 2x per day |
Pinhead crickets benefit most from higher feeding frequency. Feed particles large enough to go uneaten by 1-2mm insects represent waste. Finely powdered feed 3x per day is more accessible and more efficiently consumed at the pinhead stage than coarser feed once a day.
How Much to Feed
A useful starting point: feed quantity that crickets consume in 24 hours with minimal waste. Start with 1-2 tablespoons per 100 adult crickets per feeding and adjust based on observed consumption. If notable feed remains at the next feeding, reduce quantity; if bins are picked clean quickly, increase.
Uneaten feed in a cricket bin isn't neutral, it molds, creates humidity problems, and attracts pests. Feed to consumption rather than to a fixed quantity.
FAQ
What protein percentage should Acheta domesticus feed contain?
Aim for 22-25% crude protein in your cricket feed. This range produces the best FCR (1.7-2.1 range for well-managed operations) for Acheta domesticus. Below 18% protein, FCR degrades above 2.5, meaning you're spending measurably more on feed per pound of cricket produced. Above 25-30%, growth may accelerate slightly but increased mortality can offset the gain.
Can I use chicken feed for Acheta domesticus?
Non-medicated chicken starter feed (22%+ protein) is a workable option for small operations. Avoid medicated chicken feed entirely, coccidiostats are toxic to insects. Standard layer feed at 16-18% protein is below the optimal range for crickets and will degrade FCR. If you use chicken feed as a base, supplement with additional protein sources to bring total protein content up to 22%.
How often should I feed Acheta domesticus?
Feeding frequency should match life stage: 3x per day for pinheads, 2x per day through mid-nymph stage, and 1-2x per day for late nymphs and adults. Breeding adults benefit from 2x daily to support egg production. The cricket farm management guide covers how to log feedings systematically to identify which schedule parameters correlate best with FCR outcomes. For FCR calculation methodology, see the FCR calculation guide.
How do moisture levels in cricket feed affect colony health?
Feed that is too dry reduces palatability and may cause crickets to rely entirely on water gel sources for hydration. Feed with excess moisture molds rapidly in the warm, humid environment of a cricket bin, and moldy feed is a significant exposure route for pathogens. The practical approach is to serve fresh wet foods (fruits, vegetables) separately from dry feed, replace wet items within 24 hours, and store dry feed in a low-humidity area.
Should gut-loading feed differ from the standard production diet?
Yes. Gut-loading targets the 24-48 hours before harvest to maximize the nutritional value transferred to the end consumer of the cricket. Gut-loading diets typically emphasize specific nutrients the buyer requires -- omega-3 fatty acids, calcium, and certain vitamins are common targets. Standard production feed is optimized for growth rate and FCR, not for enriching the nutritional profile of the finished product.
What feed management practices have the biggest impact on FCR?
Two changes consistently improve FCR more than any other: matching feed protein content to the optimal range for the target species (22-25% for Acheta domesticus), and increasing feeding frequency for pinhead-stage crickets (3 times per day versus once). After these two variables, reducing feed waste by feeding to observed consumption rather than fixed quantities is the next highest-impact adjustment.
Sources
- Food and Agriculture Organization of the United Nations (FAO) -- Edible Insects: Future Prospects for Food and Feed Security
- North American Coalition for Insect Agriculture (NACIA)
- Journal of Insects as Food and Feed (Wageningen Academic Publishers)
- American Association of Feed Control Officials (AAFCO)
- University of Georgia Cooperative Extension
The Bottom Line
Feed is where your production economics live. The protein percentage determines your FCR, and FCR determines your feed cost per pound of cricket. Get the protein content right first, that's 22-25% for Acheta domesticus. Then optimize the rest: carbohydrate balance, feeding frequency, and cost per pound of feed.
Most farms that improve their FCR do so by fixing one of two things: protein content in the diet, or feeding frequency at the pinhead stage. Both are worth addressing before you start optimizing anything else.
Get Started with CricketOps
Feed management is where your production economics are won or lost. CricketOps lets you log every feed batch, track consumption and FCR by bin, and identify exactly where your feed program is performing and where it is not. Start tracking your feed inputs in CricketOps and get the data you need to improve your cost per pound of cricket produced.