Fish Health Inspectorate mortality
Date:
26/09/22-02/10/22
Mortality:
5,896
Mortality Rate:
1.10%
Reason given: Environment; Gill health Related
Environment; Gill health Related
CGD; diagnostic visit confirmed stinging cell damage to gills
First report this cycle. AGD treatment scheduled for week 41. FHI to monitor.
Date:
02/10/22-09/10/22
Mortality:
6,451
Mortality Rate:
1.2%
Reason given: Environment; Gill health Related
Environment; Gill health Related
CGD; scheduled tarp peroxide treatment for AGD
Site contacted for further information. The site has been subject to a recent enviromental gill insult, thought to have been brought on by a jellyfish bloom. AGD and PGD confirmed onsite. Peroxide treatments to commence on 17/10/2022. FHI to monitor.
Date:
17/10/22-23/10/22
Mortality:
8,213
Mortality Rate:
1.60%
Reason given: Environment; Gill health Related
Environment; Gill health Related
CGD; post insult from harrmful hydrozoa
FHI to monitor
Date:
28/11/22-04/12/22
Mortality:
16,020
Mortality Rate:
3.20%
Reason given: Environment; Gill health Related
Environment; Gill health Related
CGD; post AGD tarp treatment with peroxide
Mort figures have increased from previous week. Wait to see if the post treatment the mortalites settle down.
Date:
05/12/22-11/12/22
Mortality:
20,159
Mortality Rate:
4.20%
Reason given: Environment; Gill health Related
Environment; Gill health Related
CGD; post AGD tarp treatment with peroxide
Mortality levels remain high. FHI to monitor. Will visit early in 2023 should issues persist.
Date:
12/12/22-18/12/22
Mortality:
21,351
Mortality Rate:
4.20%
Reason given: Gill health Related
Gill health Related
CGD; post AGD tarp treatment with peroxide
Mortality levels remain high. FHI to monitor. Will visit early in 2023 should issues persist.
Date:
19/12/22-25/12/22
Mortality:
35,125
Mortality Rate:
7.90%
Reason given: Gill health Related
Gill health Related
CGD; AGD treatment scheduled
Site contacted for further information. Gill issues with AGD being the primary cause of mortality. Paramove treatment was started at the beginning of week 52 however this was delayed due to strong tidal conditions. Treatments planned to resume as soon as the weather improves. FHI to monitor.
Date:
26/12/22-01/01/23
Mortality:
22,828
Mortality Rate:
5.60%
Reason given: Gill health Related
Gill health Related
CGD; post AGD tarp treatment with peroxide
Site contacted for further information. Gill issues with AGD being the primary cause of mortality. Paramove treatment was started at the beginning of week 52 however this was delayed due to strong tidal conditions. Treatments planned to resume as soon as the weather improves. FHI to monitor.
Date:
02/01/23-08/01/23
Mortality:
24,579
Mortality Rate:
6.40%
Reason given: Gill health Related
Gill health Related
CGD; post AGD tarp treatment with peroxide
Business correspondent contacted for further information. Treatments planned to resume as soon as vessels are available. FW treatment planned for Wk 3. Increased health surveillance on site along with weekly gill swabs and routine visits. FHI to monitor.
Date:
09/01/23-15/01/23
Mortality:
13,553
Mortality Rate:
3.80%
Reason given: Gill health related
Gill health related
CGD, AGD, increased FH surveillance
On-going mortality event. FHI planned visit w/b 6/2/23. FHI to monitor in meantime.
Date:
16/01/23-22/01/23
Mortality:
4,277
Mortality Rate:
1.20%
Reason given: Gill health Related
Gill health Related
CGD; Secondary bacterial; AGD; increased FH surveilance
On-going mortality event. FHI planned visit w/b 6/2/23. FHI to monitor in meantime.
Date:
23/01/23-29/01/23
Mortality:
6,322
Mortality Rate:
1.80%
Reason given: Gill health Related; Environment
Gill health Related; Environment
Strong tides in week; CGD; Secondary bacterial; increased FH surveilance
On-going mortality event. AGD appears to be the primary cause for mortality. The site is currently treating with freshwater. FHI visit scheduled.
Date:
30/01/23-05/02/23
Mortality:
7,812
Mortality Rate:
2.60%
Reason given: Gill health Related;
Gill health Related;
CGD; secondary bacterial disease; FW wellboat treatment scheduled
FHI visited w/b 6/02/2023. Diagnostic samples taken. Business correspondent contacted for treatment dates. FHI to monitor.
Date:
06/02/23-12/02/23
Mortality:
4,415
Mortality Rate:
1.50%
Reason given: Gill health Related;
Gill health Related;
CGD; secondary bacterial disease; FW wellboat treatment in week
FHI visited w/b 6/02/2023. Diagnostic samples taken. Mortality decreasing from previous week. FHI to monitor.
Date:
27/02/23-05/03/23
Mortality:
3,661
Mortality Rate:
1.30%
Reason given: Gill Health Related; Bacterial disease
Gill Health Related; Bacterial disease
Post AGD wellboat treatment, increased mortality removal
FHI visited w/b 6/02/2023. Diagnostic samples taken; CGD, vibrio sp. , CGD. Mortality decreasing from previous week. Business contacted for further detail on bacteria detailed as reason. Update 15/3/23; "At Shuna point we are currently carrying out confirmatory PCR for Vibrio species following the bacteriology results (other bacterial pathogens neg by PCR in moribund fish)".
Date:
29/05/23-04/06/23
Mortality:
5,677
Mortality Rate:
2.3%
Reason given: Gill Health
Gill Health
CGD; Destocking through harvest
Site inspected 18/5/2023 gill health issues, vibrio and IPN identified. FHI to monitor.
Date:
05/06/23-11/06/23
Mortality:
5,652
Mortality Rate:
2.30%
Reason given: Gill Health; Bacterial disease
Gill Health; Bacterial disease
CGD; Destocking through harvest
Gill health issues. FHI to monitor.
Date:
12/06/23-18/06/23
Mortality:
3,425
Mortality Rate:
1.8%
Reason given: Gill Health; Bacterial disease
Gill Health; Bacterial disease
CGD; Harvesting to fallow.
Mortalities decreased from previous week. Site inspected 18/5/2023 gill health issues, vibrio and IPN identified. FHI to monitor.
Source