Site Details: Holywood Breeding Centre
Holywood
DG2 0RJ
Water type: Freshwater
Fish Health Inspectorate mortality
04/04/24-09/05/24
703
33.90%
Inspection reports
Case Number: 2020-0107
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Site had a high rate of egg fertilisation, however there was then trouble with white spots appearing on eggs and early hatching. P waste collected by Billie Bowie and transported to Dundas Chemicals.
Received a shipment of eggs from Norway on the 17/01/2019. (intra.no.2019.0000131 (no-0028399). [Original PDF]
Case Number: 2022-0031
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No site wide fallows planned but individual holding units are emptied, cleaned and disinfected between cycles.
Site inspection done by observed by
No fish held currently for production purposes, but may have smolts in autumn 2023 for future broodstock. Some brood fish on site are landlocked and have been held only at Holywood. Other broodfish have come in from sea sites. [Original PDF]
Case Number: 2024-0030
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Input of broodfish next week from Loch Eribol. Next output 1/3/24 to Barcaldine. Stripping season ranges from August until
January. All stocks on site leave as ova. Trialling the movement of green eggs to Barcaldine egg unit.
Treatments - ova; Formalin (aquacen) 3 times a week at 500ppm. Broodfish last treatment 22/12/23 - Formalin.
Stripping season 2023/24; 26/9/23-9/1/24 - 42 252 500 ova
Brood fish morts 25/9/23 to date; 64 morts. Ova mortality this season has been as expected ranging from 20-25% including culls per batch.
Water supply from borehole at 10.8C. Ova are chilled to 4 or 8C depending on requirements. ova only on site prior to hatch - culls of non viable eggs average 20-25% per batch laid to moving off site prior to hatch. 3 ova batches sorted on 28/2/24; 2,482,729 living count 841,910 culled/dead [Original PDF]