# US 12,108,747 B2 · Large-scale, high density storage of larvae

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- Number: US 12,108,747 B2
- Document ID: US12108747B2
- Status: Granted
- Kind: B2
- Application number: 15/734,262
- Filed: 2019-06-05
- Published: 2021-07-15
- Granted: 2024-10-08
- Earliest claimed: 2018-06-05
- Assignees: Buhler AG
- Applicants: Bühler AG
- Inventors: Petrus Maria Jansen Maurits
- Web page: https://patentgrep.com/patent/US12108747B2

## CPC

- A01K 67/36: Industrial rearing of insects, e.g. insect farms
- A01K: ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS

## Abstract

The present invention provides a method for storing insect larvae by means of a storage means. The insect larvae are stored in a cooling medium, e.g. water, in the storage means. The amount of water in the larvae-water mixture in the storage means is controlled to be between 30% and 80%. The content of the storage means is maintained at a temperature below 15° C. The content of the storage means is agitated using agitating means included in the storage means.

## Claims

### Claim 1

A method for storing living insect larvae in water, comprising
providing a mixture of insect larvae and water to a storage tank,
controlling the amount of the water in the mixture of the storage tank to be between 30% and 80% of the total weight of said mixture,
maintaining the mixture of the storage tank at a temperature below 10° C. by at least one of the following: (a) introducing a continuous water flow through the storage tank; and (b) introducing a continuous flow of air inside the storage tank, and agitating
the mixture of the storage tank.

### Claim 2 (depends on 1)

The method according to claim 1, wherein the temperature inside the storage tank is maintained below 7° C.

### Claim 3 (depends on 1)

The method according to claim 1, wherein the temperature inside the storage tank is controlled by providing a continuous flow of the water at the desired temperature through the storage tank.

### Claim 4 (depends on 1)

The method according to claim 1, wherein a continuous air flow inside the storage tank is provided.

### Claim 5 (depends on 1)

The method according to claim 1, further comprising draining the mixture of insect larvae and the water from the storage tank.

### Claim 6 (depends on 5)

The method according to claim 5, further comprising separating the larvae from the water and processing of the insect larvae.

### Claim 7 (depends on 1)

The method according to claim 1, wherein the agitation is performed continuously, periodically or in an irregular manner.

### Claim 8 (depends on 1)

The method according to claim 1, wherein the agitating step is carried out by a mixing screw.