Carcass classification of cultured salmon at BC aquaculture sites by fish health zone - 2026
Licence holders are required to remove dead fish from net pens on a regular basis and categorize the fish according to the cause of death. These figures provide a break-down of mortality rates by carcass category. The pie chart represents the average monthly mortality in the zone during the specified time period.
January 1 to March 31
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Mortality of cultured Atlantic salmon at BC aquaculture facilities, Clayoquot Sound
Average monthly mortality as a proportion of inventory
| Monthly average remaining inventory | 97.43% |
|---|---|
| Average mortality | 2.57% |
| Environmental | 0.79% |
| Fresh 'silver' | 0.69% |
| Infectious disease | 0.07% |
| Handling and transport | 0.15% |
| Mature | 0.00% |
| Old (decomposed) | 0.19% |
| Poor performer and cull | 0.65% |
| Predator attack | 0.05% |
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Mortality of cultured Atlantic salmon at BC aquaculture facilities, Esperanza Inlet
Average monthly mortality as a proportion of inventory
| Monthly average remaining inventory | 96.34% |
|---|---|
| Average mortality | 3.66% |
| Environmental | 0.00% |
| Fresh 'silver' | 0.50% |
| Infectious disease | 0.26% |
| Handling and transport | 0.11% |
| Mature | 0.00% |
| Old (decomposed) | 0.40% |
| Poor performer and cull | 2.40% |
| Predator attack | 0.00% |
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Mortality of cultured Atlantic salmon at BC aquaculture facilities, Nootka Sound
Average monthly mortality as a proportion of inventory
| Monthly average remaining inventory | 99.11% |
|---|---|
| Average mortality | 0.89% |
| Environmental | 0.19% |
| Fresh 'silver' | 0.10% |
| Infectious disease | 0.00% |
| Handling and transport | 0.39% |
| Mature | 0.02% |
| Old (decomposed) | 0.12% |
| Poor performer and cull | 0.07% |
| Predator attack | 0.00% |
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Mortality of cultured Atlantic salmon at BC aquaculture facilities, Quatsino Sound
Average monthly mortality as a proportion of inventory
| Monthly average remaining inventory | 99.45% |
|---|---|
| Average mortality | 0.55% |
| Environmental | 0.00% |
| Fresh 'silver' | 0.08% |
| Infectious disease | 0.11% |
| Handling and transport | 0.15% |
| Mature | 0.00% |
| Old (decomposed) | 0.11% |
| Poor performer and cull | 0.11% |
| Predator attack | 0.00% |
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Mortality of cultured Atlantic salmon at BC aquaculture facilities, Discovery Islands
Average monthly mortality as a proportion of inventory
| Monthly average remaining inventory | 99.72% |
|---|---|
| Average mortality | 0.28% |
| Environmental | 0.00% |
| Fresh 'silver' | 0.05% |
| Infectious disease | 0.05% |
| Handling and transport | 0.02% |
| Mature | 0.00% |
| Old (decomposed) | 0.05% |
| Poor performer and cull | 0.11% |
| Predator attack | 0.00% |
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Mortality of cultured Atlantic salmon at BC aquaculture facilities, Broughton Archipelago
Average monthly mortality as a proportion of inventory
| Monthly average remaining inventory | 99.76% |
|---|---|
| Average mortality | 0.24% |
| Environmental | 0.00% |
| Fresh 'silver' | 0.08% |
| Infectious disease | 0.00% |
| Handling and transport | 0.05% |
| Mature | 0.00% |
| Old (decomposed) | 0.02% |
| Poor performer and cull | 0.08% |
| Predator attack | 0.02% |
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Mortality of cultured Atlantic salmon at BC aquaculture facilities, Port Hardy
Average monthly mortality as a proportion of inventory
| Monthly average remaining inventory | 99.49% |
|---|---|
| Average mortality | 0.51% |
| Environmental | 0.00% |
| Fresh 'silver' | 0.05% |
| Infectious disease | 0.10% |
| Handling and transport | 0.13% |
| Mature | 0.00% |
| Old (decomposed) | 0.09% |
| Poor performer and cull | 0.04% |
| Predator attack | 0.09% |
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Mortality of cultured Atlantic salmon at BC aquaculture facilities, Central Coast
Average monthly mortality as a proportion of inventory
| Monthly average remaining inventory | 99.54% |
|---|---|
| Average mortality | 0.46% |
| Environmental | 0.00% |
| Fresh 'silver' | 0.08% |
| Infectious disease | 0.05% |
| Handling and transport | 0.20% |
| Mature | 0.00% |
| Old (decomposed) | 0.08% |
| Poor performer and cull | 0.04% |
| Predator attack | 0.00% |
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Mortality of cultured Pacific salmon at BC aquaculture facilities, Clayoquot Sound
Average monthly mortality as a proportion of inventory
| Monthly average remaining inventory | 99.74% |
|---|---|
| Average mortality | 0.26% |
| Environmental | 0.00% |
| Fresh 'silver' | 0.08% |
| Infectious disease | 0.02% |
| Handling and transport | 0.01% |
| Mature | 0.00% |
| Old (decomposed) | 0.12% |
| Poor performer and cull | 0.03% |
| Predator attack | 0.00% |
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