Observe's AI registers salmon activity rising with gill disease

University of Stirling study, 2023 season: fish activity rose from 25.6% to 43.6% (Farm A) and 24.9% to 32.6% (Farm B) after gill health deteriorated; proliferative gill disease drove it.

AI system

System

Observe Technologies behavioral monitoring algorithm (patented convolutional neural network, EP3644717)

Model

Not assessed

Release

Not assessed

Application developer

Observe Technologies, Richmond, UK

Role

Not assessed

Configuration

Not assessed

Inputs and outputs

Not assessed

Autonomy

Not assessed

Workflow

Feed cameras in all cages plus 4–5 extra cameras in one cage per farm. Weekly gill scoring, welfare indicators, mortality and feeding-rate records. A summer 2023 gill-health episode at both farms.

Human oversight

Not assessed

Relation to AI

The vendor's neural network quantified a behavioral response that coincided with gill disease already identified by weekly scoring. The study shows correlation, not an alert that changed what happened. Vendor staff co-authored the peer-reviewed paper.

AI contribution

The vendor's neural network quantified a behavioral response that coincided with gill disease already identified by weekly scoring. The study shows correlation, not an alert that changed what happened. Vendor staff co-authored the peer-reviewed paper.

Benefits

Outcome identifiers

Not assessed

Benefit

fish activity rose from 25.6% to 43.6% (Farm A) and 24.9% to 32.6% (Farm B)

Category

Improved Knowledge Discovery

Status

Not assessed

Beneficiary groups

Organizations. People.

Beneficiaries

Not assessed

Reach

Not assessed

Distribution and access

Not assessed

Duration

Not assessed

Expected?

Yes

Costs and harms

Not assessed

Measurement

Studies

Not assessed

Study design

Not assessed

Measurement

Not assessed

Setting and sample

Not assessed

Measures

fish activity rose from 25.6% to 43.6% (Farm A) and 24.9% to 32.6% (Farm B)

Comparison

Not assessed

Results

fish activity rose from 25.6% to 43.6% (Farm A) and 24.9% to 32.6% (Farm B)

Additional value from AI

Not assessed

Limitations

Not assessed

Denominators

Not assessed

Materials for replication

Not assessed

Money

Kind of value

Not assessed

Amount

Not assessed

Currency and prices

Not assessed

Period and unit

Not assessed

Realization

Not assessed

Recipients and payers

Not assessed

Gross or net

Not assessed

Included costs

Not assessed

Comparison

Not assessed

Method

Not assessed

Return and payback

Not assessed

People and places

Participants

Developer: Observe Technologies, Richmond, UK. Operator: Two commercial Atlantic salmon marine farms in Scotland, studied by the University of Stirling.

Jurisdictions

Developer: United Kingdom. Operator: United Kingdom.

Ownership and control

Not assessed

Dependencies

Not assessed

Cross-border connections

Not assessed

Geopolitical implications

Not assessed

Follow-up

Conditions for replication

Gill disease severe enough to alter shoaling and distribution. Camera coverage of the cage volume.

Replication attempts

Not assessed

Later findings

No later report on the Observe algorithm's use on these or other farms after the 2023 season was found.

Availability

Not assessed

Institutional decision

Not assessed

Grounds

Not assessed

Action and result

Not assessed

Success criterion

Not assessed

Evidence

Source numbers

AIBD-0198-source-0001

Citations

Numbered references below.

Language

Not assessed

Source relationships

Independent

Original evidence

Not assessed

Access and versions

Not assessed

Supported findings

Not assessed

Evidence strength

Not assessed

Missing evidence

Not assessed

Grades

Assessed benefits

Organizations. People.

Depth

Not assessed

Reasons

Organizations: Gill disease was scored weekly by conventional means. The paper does not report any farm decision changed by the activity signal. People: No outcome for farm staff or fish welfare beyond the behavioral correlation is documented.

Observed or intended

Not assessed

Rubric

Not assessed

Assessor and date

Not assessed

Alternative assessments

Not assessed

Fill

Independently studied

Entry details

Kind

Not assessed

Field

Aquaculture / fish welfare. Atlantic salmon sea cages.

Purpose

Extract group behavior (abundance, speed, shoal cohesion) from feed-camera video as a non-invasive indicator of fish health and welfare.

Dates

Date basis unassessed: 2023 (precision unassessed). Updated: 21 October 2026.

Stage

Not assessed

Version

SHA-256: f28425452cbe…

References

Other identifiers

Not assessed

Category mappings

Not assessed

Brief

Not assessed

Revisions

3 revisions. Latest: 21 October 2026.

Sources

  1. Peer-reviewed study Independent author

    Burke M, Nikolic D, Fabry P, Rishi H, Telfer T, Rey Planellas S. Precision farming in aquaculture: assessing gill health in Atlantic salmon (Salmo salar) using a non-invasive, AI-driven behavioural monitoring approach in commercial farms. Aquaculture Science and Management 2:15 (2025). doi:10.1186/s44365-025-00020-8