Carcass classification of cultured salmon at BC aquaculture sites by fish health zone - 2025
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
Long text version
Mortality of cultured Atlantic salmon at BC aquaculture facilities, Clayoquot Sound
Average monthly mortality as a proportion of inventory
| Monthly average remaining inventory | 98.87% |
|---|---|
| Average mortality | 1.13% |
| Environmental | 0.14% |
| Fresh 'silver' | 0.25% |
| Infectious disease | 0.15% |
| Handling and transport | 0.10% |
| Mature | 0.00% |
| Old (decomposed) | 0.12% |
| Poor performer and cull | 0.36% |
| Predator attack | 0.02% |
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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 | 98.84% |
|---|---|
| Average mortality | 1.16% |
| Environmental | 0.04% |
| Fresh 'silver' | 0.08% |
| Infectious disease | 0.00% |
| Handling and transport | 0.74% |
| Mature | 0.01% |
| Old (decomposed) | 0.14% |
| Poor performer and cull | 0.10% |
| Predator attack | 0.04% |
Long text version
Mortality of cultured Atlantic salmon at BC aquaculture facilities, Nootka Sound
Average monthly mortality as a proportion of inventory
| Monthly average remaining inventory | 98.72% |
|---|---|
| Average mortality | 1.28% |
| Environmental | 0.00% |
| Fresh 'silver' | 0.44% |
| Infectious disease | 0.19% |
| Handling and transport | 0.14% |
| Mature | 0.00% |
| Old (decomposed) | 0.21% |
| Poor performer and cull | 0.30% |
| Predator attack | 0.00% |
Long text version
Mortality of cultured Atlantic salmon at BC aquaculture facilities, Quatsino Sound
Average monthly mortality as a proportion of inventory
| Monthly average remaining inventory | 98.59% |
|---|---|
| Average mortality | 1.41% |
| Environmental | 0.00% |
| Fresh 'silver' | 0.61% |
| Infectious disease | 0.33% |
| Handling and transport | 0.13% |
| Mature | 0.00% |
| Old (decomposed) | 0.20% |
| Poor performer and cull | 0.14% |
| Predator attack | 0.00% |
Long text version
Mortality of cultured Atlantic salmon at BC aquaculture facilities, Broughton Archipelago
Average monthly mortality as a proportion of inventory
| Monthly average remaining inventory | 99.23% |
|---|---|
| Average mortality | 0.77% |
| Environmental | 0.00% |
| Fresh 'silver' | 0.17% |
| Infectious disease | 0.01% |
| Handling and transport | 0.17% |
| Mature | 0.00% |
| Old (decomposed) | 0.14% |
| Poor performer and cull | 0.25% |
| Predator attack | 0.04% |
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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 | 99.45% |
|---|---|
| Average mortality | 0.55% |
| Environmental | 0.00% |
| Fresh 'silver' | 0.04% |
| Infectious disease | 0.00% |
| Handling and transport | 0.34% |
| Mature | 0.00% |
| Old (decomposed) | 0.06% |
| Poor performer and cull | 0.08% |
| Predator attack | 0.04% |
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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 | 98.82% |
|---|---|
| Average mortality | 1.18% |
| Environmental | 0.00% |
| Fresh 'silver' | 0.15% |
| Infectious disease | 0.41% |
| Handling and transport | 0.19% |
| Mature | 0.00% |
| Old (decomposed) | 0.31% |
| Poor performer and cull | 0.13% |
| Predator attack | 0.00% |
Long text version
Mortality of cultured Pacific salmon at BC aquaculture facilities, Clayoquot Sound
Average monthly mortality as a proportion of inventory
| Monthly average remaining inventory | 99.31% |
|---|---|
| Average mortality | 0.69% |
| Environmental | 0.00% |
| Fresh 'silver' | 0.22% |
| Infectious disease | 0.00% |
| Handling and transport | 0.00% |
| Mature | 0.00% |
| Old (decomposed) | 0.31% |
| Poor performer and cull | 0.16% |
| Predator attack | 0.01% |
April 1 to June 30
Long text version
Mortality of cultured Atlantic salmon at BC aquaculture facilities, Clayoquot Sound
Average monthly mortality as a proportion of inventory
| Monthly average remaining inventory | 96.95% |
|---|---|
| Average mortality | 3.05% |
| Environmental | 1.35% |
| Fresh 'silver' | 0.62% |
| Infectious disease | 0.04% |
| Handling and transport | 0.06% |
| Mature | 0.00% |
| Old (decomposed) | 0.35% |
| Poor performer and cull | 0.63% |
| Predator attack | 0.01% |
Long text version
Mortality of cultured Atlantic salmon at BC aquaculture facilities, Esperanza Inlet
Average monthly mortality as a proportion of inventory
| Monthly average remaining inventory | 98.93% |
|---|---|
| Average mortality | 1.07% |
| Environmental | 0.18% |
| Fresh 'silver' | 0.28% |
| Infectious disease | 0.00% |
| Handling and transport | 0.12% |
| Mature | 0.03% |
| Old (decomposed) | 0.28% |
| Poor performer and cull | 0.16% |
| Predator attack | 0.02% |
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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 | 98.92% |
|---|---|
| Average mortality | 1.08% |
| Environmental | 0.42% |
| Fresh 'silver' | 0.14% |
| Infectious disease | 0.02% |
| Handling and transport | 0.13% |
| Mature | 0.00% |
| Old (decomposed) | 0.09% |
| Poor performer and cull | 0.29% |
| 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 | 98.27% |
|---|---|
| Average mortality | 1.73% |
| Environmental | 0.00% |
| Fresh 'silver' | 0.89% |
| Infectious disease | 0.12% |
| Handling and transport | 0.06% |
| Mature | 0.00% |
| Old (decomposed) | 0.26% |
| Poor performer and cull | 0.40% |
| 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 | 98.95% |
|---|---|
| Average mortality | 1.05% |
| Environmental | 0.00% |
| Fresh 'silver' | 0.32% |
| Infectious disease | 0.09% |
| Handling and transport | 0.08% |
| Mature | 0.00% |
| Old (decomposed) | 0.28% |
| Poor performer and cull | 0.27% |
| Predator attack | 0.01% |
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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 | 99.36% |
|---|---|
| Average mortality | 0.64% |
| Environmental | 0.00% |
| Fresh 'silver' | 0.18% |
| Infectious disease | 0.02% |
| Handling and transport | 0.18% |
| Mature | 0.00% |
| Old (decomposed) | 0.08% |
| Poor performer and cull | 0.17% |
| Predator attack | 0.01% |
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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 | 98.91% |
|---|---|
| Average mortality | 1.09% |
| Environmental | 0.05% |
| Fresh 'silver' | 0.19% |
| Infectious disease | 0.39% |
| Handling and transport | 0.13% |
| Mature | 0.00% |
| Old (decomposed) | 0.19% |
| Poor performer and cull | 0.15% |
| Predator attack | 0.00% |
Long text version
Mortality of cultured Pacific salmon at BC aquaculture facilities, Clayoquot Sound
Average monthly mortality as a proportion of inventory
| Monthly average remaining inventory | 99.67% |
|---|---|
| Average mortality | 0.33% |
| Environmental | 0.00% |
| Fresh 'silver' | 0.09% |
| Infectious disease | 0.00% |
| Handling and transport | 0.02% |
| Mature | 0.00% |
| Old (decomposed) | 0.14% |
| Poor performer and cull | 0.07% |
| Predator attack | 0.01% |
July 1 to September 31
Long text version
Mortality of cultured Atlantic salmon at BC aquaculture facilities, Clayoquot Sound
Average monthly mortality as a proportion of inventory
| Monthly average remaining inventory | 91.24% |
|---|---|
| Average mortality | 8.76% |
| Environmental | 5.74% |
| Fresh 'silver' | 0.57% |
| Infectious disease | 0.78% |
| Handling and transport | 0.06% |
| Mature | 0.01% |
| Old (decomposed) | 0.91% |
| Poor performer and cull | 0.69% |
| Predator attack | 0.00% |
Long text version
Mortality of cultured Atlantic salmon at BC aquaculture facilities, Esperanza Inlet
Average monthly mortality as a proportion of inventory
| Monthly average remaining inventory | 97.26% |
|---|---|
| Average mortality | 2.74% |
| Environmental | 0.00% |
| Fresh 'silver' | 0.13% |
| Infectious disease | 0.00% |
| Handling and transport | 1.83% |
| Mature | 0.04% |
| Old (decomposed) | 0.49% |
| Poor performer and cull | 0.25% |
| 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 | 97.37% |
|---|---|
| Average mortality | 2.63% |
| Environmental | 1.80% |
| Fresh 'silver' | 0.18% |
| Infectious disease | 0.00% |
| Handling and transport | 0.18% |
| Mature | 0.00% |
| Old (decomposed) | 0.20% |
| Poor performer and cull | 0.26% |
| 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 | 98.04% |
|---|---|
| Average mortality | 1.96% |
| Environmental | 1.47% |
| Fresh 'silver' | 0.15% |
| Infectious disease | 0.05% |
| Handling and transport | 0.03% |
| Mature | 0.00% |
| Old (decomposed) | 0.09% |
| Poor performer and cull | 0.19% |
| 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 | 99.29% |
|---|---|
| Average mortality | 0.71% |
| Environmental | 0.00% |
| Fresh 'silver' | 0.04% |
| Infectious disease | 0.14% |
| Handling and transport | 0.35% |
| Mature | 0.00% |
| Old (decomposed) | 0.10% |
| Poor performer and cull | 0.08% |
| 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 | 99.01% |
|---|---|
| Average mortality | 0.99% |
| Environmental | 0.06% |
| Fresh 'silver' | 0.18% |
| Infectious disease | 0.02% |
| Handling and transport | 0.03% |
| Mature | 0.01% |
| Old (decomposed) | 0.40% |
| Poor performer and cull | 0.29% |
| Predator attack | 0.00% |
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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 | 90.79% |
|---|---|
| Average mortality | 9.21% |
| Environmental | 5.96% |
| Fresh 'silver' | 1.89% |
| Infectious disease | 0.08% |
| Handling and transport | 0.18% |
| Mature | 0.02% |
| Old (decomposed) | 0.49% |
| Poor performer and cull | 0.59% |
| Predator attack | 0.00% |
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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 | 98.26% |
|---|---|
| Average mortality | 1.74% |
| Environmental | 0.14% |
| Fresh 'silver' | 0.69% |
| Infectious disease | 0.06% |
| Handling and transport | 0.31% |
| Mature | 0.02% |
| Old (decomposed) | 0.23% |
| Poor performer and cull | 0.30% |
| 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 | 99.15% |
|---|---|
| Average mortality | 0.85% |
| Environmental | 0.06% |
| Fresh 'silver' | 0.15% |
| Infectious disease | 0.08% |
| Handling and transport | 0.04% |
| Mature | 0.01% |
| Old (decomposed) | 0.47% |
| Poor performer and cull | 0.04% |
| Predator attack | 0.01% |
October 1 to December 31
Long text version
Mortality of cultured Atlantic salmon at BC aquaculture facilities, Clayoquot Sound
Average monthly mortality as a proportion of inventory
| Monthly average remaining inventory | 93.43% |
|---|---|
| Average mortality | 6.57% |
| Environmental | 4.08% |
| Fresh 'silver' | 0.72% |
| Infectious disease | 0.24% |
| Handling and transport | 0.12% |
| Mature | 0.02% |
| Old (decomposed) | 0.26% |
| Poor performer and cull | 1.09% |
| Predator attack | 0.04% |
Long text version
Mortality of cultured Atlantic salmon at BC aquaculture facilities, Esperanza Inlet
Average monthly mortality as a proportion of inventory
| Monthly average remaining inventory | 98.95% |
|---|---|
| Average mortality | 1.05% |
| Environmental | 0.00% |
| Fresh 'silver' | 0.36% |
| Infectious disease | 0.18% |
| Handling and transport | 0.29% |
| Mature | 0.00% |
| Old (decomposed) | 0.13% |
| Poor performer and cull | 0.09% |
| Predator attack | 0.01% |
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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 | 99.25% |
|---|---|
| Average mortality | 0.75% |
| Environmental | 0.02% |
| Fresh 'silver' | 0.06% |
| Infectious disease | 0.00% |
| Handling and transport | 0.21% |
| Mature | 0.03% |
| Old (decomposed) | 0.09% |
| Poor performer and cull | 0.29% |
| Predator attack | 0.05% |
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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 | 99.49% |
|---|---|
| Average mortality | 0.51% |
| Environmental | 0.01% |
| Fresh 'silver' | 0.13% |
| Infectious disease | 0.05% |
| Handling and transport | 0.09% |
| Mature | 0.00% |
| Old (decomposed) | 0.09% |
| Poor performer and cull | 0.14% |
| 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 | 99.63% |
|---|---|
| Average mortality | 0.37% |
| Environmental | 0.00% |
| Fresh 'silver' | 0.06% |
| Infectious disease | 0.12% |
| Handling and transport | 0.02% |
| Mature | 0.00% |
| Old (decomposed) | 0.06% |
| 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 | 99.19% |
|---|---|
| Average mortality | 0.81% |
| Environmental | 0.01% |
| Fresh 'silver' | 0.09% |
| Infectious disease | 0.00% |
| Handling and transport | 0.41% |
| Mature | 0.01% |
| Old (decomposed) | 0.18% |
| Poor performer and cull | 0.11% |
| Predator attack | 0.00% |
Long text version
Mortality of cultured Atlantic salmon at BC aquaculture facilities, Port Hardy
Average monthly mortality as a proportion of inventory
| Monthly average remaining inventory | 98.67% |
|---|---|
| Average mortality | 1.33% |
| Environmental | 0.00% |
| Fresh 'silver' | 0.18% |
| Infectious disease | 0.02% |
| Handling and transport | 0.82% |
| Mature | 0.00% |
| Old (decomposed) | 0.16% |
| Poor performer and cull | 0.14% |
| Predator attack | 0.00% |
Long text version
Mortality of cultured Atlantic salmon at BC aquaculture facilities, Central Coast
Average monthly mortality as a proportion of inventory
| Monthly average remaining inventory | 99.69% |
|---|---|
| Average mortality | 0.31% |
| Environmental | 0.00% |
| Fresh 'silver' | 0.08% |
| Infectious disease | 0.00% |
| Handling and transport | 0.11% |
| Mature | 0.00% |
| Old (decomposed) | 0.06% |
| Poor performer and cull | 0.06% |
| Predator attack | 0.00% |
Long text version
Mortality of cultured Pacific salmon at BC aquaculture facilities, Clayoquot Sound
Average monthly mortality as a proportion of inventory
| Monthly average remaining inventory | 99.42% |
|---|---|
| Average mortality | 0.58% |
| Environmental | 0.03% |
| Fresh 'silver' | 0.09% |
| Infectious disease | 0.06% |
| Handling and transport | 0.05% |
| Mature | 0.04% |
| Old (decomposed) | 0.28% |
| Poor performer and cull | 0.02% |
| Predator attack | 0.01% |
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