Cricket Farm Strain Selection: Choosing the Right Genetic Line for Your Market

Commercially available Acheta domesticus strains vary by up to 15% in harvest weight at equivalent age and feeding conditions. That's not a small difference. A 15% difference in final harvest weight, without any change in feed input, feed schedule, or mortality rate, translates directly into a 15% improvement in your feed cost per pound of cricket produced.

Strain selection is one of the most consequential decisions a new cricket farm makes, and almost no one is talking about it. Most operators use whatever stock is available from the supplier they found first and never compare alternatives. Farms that have evaluated multiple strains report meaningful differences in growth rate, FCR, and disease resilience that persist across generations of production.

TL;DR

• Commercially available Acheta domesticus strains vary by up to 15% in harvest weight at equivalent age and feeding conditions
• A 15% difference in final harvest weight, without any change in feed input, feed schedule, or mortality rate, translates directly into a 15% improvement in your feed cost per pound of cricket produced
• Step 1: Source trial quantities from multiple suppliers
• Get starter stock from 2-3 different commercial suppliers
• Step 2: Run side-by-side cohorts
• Step 4: Evaluate over 2-3 cycles
• Commercially available strains of Acheta domesticus vary by up to 15% in final harvest weight at equivalent age and feeding conditions, which directly affects FCR

Step 1: Source trial quantities from multiple suppliers. Get starter stock from 2-3 different commercial suppliers.

• This gives you strain diversity to compare.

Step 2: Run side-by-side cohorts. Run each strain in identical conditions: same bin type, same feed, same temperature and humidity, same stocking density.

• Track mortality separately for each strain cohort.

Step 4: Evaluate over 2-3 cycles. A single trial cycle can produce misleading results due to random variation.

• Commercially available strains of Acheta domesticus vary by up to 15% in final harvest weight at equivalent age and feeding conditions, which directly affects FCR.
• The FCR difference between a high-performing and a low-performing strain can be 0.3-0.5 points, which is comparable to significant improvements in feeding protocol or temperature management.

Acheta Domesticus Strain Variation: What Differs Between Strains

Commercial strains of Acheta domesticus share the same species characteristics but differ in:

Growth rate and harvest weight. The most practically important difference. High-performing strains reach adult size 5-7 days faster than lower-performing strains at the same temperature and feeding conditions. That faster growth rate directly reduces days-to-harvest and improves your bin throughput.

Feed conversion ratio. Some strains convert feed to body weight more efficiently than others. FCR differences of 0.3-0.5 points between strains are commercially significant.

Egg viability and hatch rate. Strains with higher hatch rates require fewer breeding cycles to maintain production volume. Strains with poor hatch rates create bottlenecks that limit your production ceiling.

Disease resistance. Some strain populations have been inadvertently selected for disease resistance through farm-level selection pressure. Strains that have survived AdDNV outbreaks in their source population may carry a degree of resistance that standard strains lack.

Behavior. Some strains are more prone to cannibalism at high density. Some produce louder cricket noise than others, which matters for urban or suburban operations.

Gryllus Bimaculatus vs. Acheta Domesticus for Different Markets

The strain selection question extends to species selection. Gryllus bimaculatus (the black cricket or two-spotted cricket) has different characteristics than Acheta domesticus that make it preferred for specific markets.

For feeder markets: Gryllus bimaculatus is preferred in the UK and European feeder market, where it's considered hardier and easier to keep by reptile hobbyists. In the US feeder market, Acheta domesticus dominates. Know your market before choosing a species.

For flour production: Acheta domesticus is the dominant species for food-grade cricket flour, with more established food safety protocols, more research on nutritional profile, and broader commercial precedent in North American and European markets.

For disease resistance: Gryllus bimaculatus is generally considered more resistant to AdDNV (Acheta domesticus densovirus), the most economically damaging disease affecting US cricket farms. Operations that have suffered repeated AdDNV losses may consider switching species as a disease control strategy.

For more on the lifecycle and production characteristics of each species, see the acheta domesticus lifecycle guide.

How to Evaluate Strains Before Committing

The most important step is not committing your entire operation to a new strain before you've tested it. This is basic experimental design, and it applies directly to strain evaluation.

Step 1: Source trial quantities from multiple suppliers. Get starter stock from 2-3 different commercial suppliers. This gives you strain diversity to compare.

Step 2: Run side-by-side cohorts. Run each strain in identical conditions: same bin type, same feed, same temperature and humidity, same stocking density. This controls for environmental variables so differences in outcome are attributable to strain genetics.

Step 3: Measure what matters for your market. If you're producing feeder crickets, measure growth rate to target sale size and survival to adulthood. If you're producing flour, measure final adult harvest weight and FCR. Track mortality separately for each strain cohort.

Step 4: Evaluate over 2-3 cycles. A single trial cycle can produce misleading results due to random variation. Run your comparison for at least 2 production cycles before drawing conclusions.

Step 5: Scale the winner. Once you've identified your best-performing strain, expand that strain's share of your production while phasing out lower performers.

Sourcing High-Performance Strains

Most commercial cricket farms source stock from one of a handful of large cricket producers that supply both the feeder market and starter stock to new farms. These are your starting options, but they're not the only options.

Commercial cricket suppliers. The main entry point for most farms. Ask specifically about their strain's performance data: what's the average days-to-adult, what FCR do they observe on their production stock?

Other cricket farms. Building relationships with established farms in non-competing markets sometimes creates access to proprietary strains that have been improved through farm-level selection. Honoring an NDA in exchange for access to better genetics is sometimes worth it.

University entomology programs. Some land-grant universities maintain Acheta domesticus research colonies that have been selected for specific research traits. These can be a source of genetically distinct starting material.

Running Strain Tests in CricketOps

Testing strains in CricketOps is straightforward. Set up each strain as a separate population tag in your cricket farm management account. Use the bin lifecycle tracking to record which strain each bin contains. Compare FCR and mortality data across strains using the reporting tools.

The ability to tag bins by genetic population is exactly the kind of operational data that tells you definitively which strain performs best in your specific production environment rather than relying on a supplier's claims.

Frequently Asked Questions

Does the genetic strain of Acheta domesticus affect my farm's FCR?

Yes, meaningfully. Commercially available strains of Acheta domesticus vary by up to 15% in final harvest weight at equivalent age and feeding conditions, which directly affects FCR. Strains that grow faster, reach larger adult weights, and convert feed more efficiently produce more protein per dollar of feed input. The FCR difference between a high-performing and a low-performing strain can be 0.3-0.5 points, which is comparable to significant improvements in feeding protocol or temperature management. If you've never compared strains, you may be running a performance ceiling set by your genetics rather than your management. A simple side-by-side trial with stock from two suppliers reveals this quickly.

How do I source a high-performance Acheta domesticus strain?

Start by requesting performance data from your current supplier: what average days-to-adult and FCR do they observe on their production stock? Then approach one or two other commercial suppliers with the same question. Run a side-by-side trial with identical conditions to get a direct comparison. Beyond commercial suppliers, university entomology departments and established farms in non-competing markets sometimes provide access to strains with distinct genetic backgrounds. A strain that has been maintained in isolation from the commercial supply chain for several generations may have diverged meaningfully in performance characteristics. Building relationships with other farm operators is the practical way to access this kind of strain diversity.

Can I test different genetic strains in separate bins in CricketOps?

Yes. CricketOps lets you tag bins with custom labels including strain or population identifiers. Run each strain in separate bins with identical management conditions, tag those bins with their strain identifier, and use the reporting tools to compare FCR, mortality, and days-to-harvest across strains. Over 2-3 production cycles, the data will clearly show which strain performs best in your specific production environment. This approach is more reliable than comparing a supplier's claimed performance data against your actual results, because it controls for the environmental differences between their facility and yours. The population comparison data also forms the basis for a selective breeding program if you decide to improve your best strain further.

How does CricketOps help track the metrics described in this article?

CricketOps provides bin-level logging for the variables that drive production outcomes -- feed inputs, environmental conditions, mortality events, and harvest results. Rather than maintaining these records in separate spreadsheets, you can view performance trends across bins and over time to identify which operational variables correlate with better outcomes in your specific facility.

Where can I find industry benchmarks to compare my operation's performance?

The North American Coalition for Insect Agriculture (NACIA) publishes periodic industry reports with production benchmarks. University extension programs in agricultural states, including the University of Georgia and University of Florida IFAS, occasionally publish insect farming production data. Industry conferences hosted by the Entomological Society of America and the Insects to Feed the World symposium series are additional sources of peer benchmarking data.

What is the biggest operational mistake cricket farmers make in their first year?

Expanding bin count before achieving consistent FCR and mortality targets in existing bins is the most common and costly first-year mistake. At 5-10 bins, problems are manageable. At 30-50 bins, the same proportional problems represent much larger financial losses. Most experienced cricket farmers recommend holding expansion until you have three consecutive production cycles hitting your FCR and mortality targets.

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)
• Entomological Society of America
• University of Georgia Cooperative Extension
• Journal of Insects as Food and Feed (Wageningen Academic Publishers)

Get Started with CricketOps

The practices covered in this article are easier to apply consistently when they are supported by organized production data. CricketOps gives cricket farmers the tools to track what matters -- by bin, by batch, and over time. Start your next production cycle in CricketOps and see how organized data changes the way you manage your operation.