Work continues at the hatchery with things progressing well out there. McKinnons creek has had a good flow and the Rangitata river is not far from its confluence with the hatchery stream. All good indications for good access to and from the hatchery for (Scientific name) Oncorhynchus tshawytscha.
The fry, at present in the hatchery shed and starting to put on weight with an average weight of around 1.2gms. A big thank you to all those who have helped out including the weekend teams over the winter. A quick summary of statistics is as follows; Adult Salmon returns to McKinnons Creek 2022 inc other data. Males. Non fin clipped. 6. Males. Fin clipped. 6. Females Non fin clipped. 7. Females. Fin clipped 18 Approx 10 small Jack fish returned to creek. Egg stripping started 3/5/22. Completed 17/5/22. 43 female fish were processed, being almost a 50/50 ratio of returnees to the hatchery and 3yr old land based broodstock to produce approx. 120,000 eggs. 120 x 3yr old land based broodstock fish, not used were returned to McKinnons creek. This was 20 males and approx. 100 females. 1yr old fish released 2022. 4000 to McKinnons creek 13/7/22 400 kept back for brood stock 13/7/22 1000 to RDR for testing/release. As at 6th September we are holding approx. 95,000 fry average weight 1 gram. 5000m of these are from non clipped females crossed with non clipped males (P1). These are kept separate. The remainder are a mix of P2, P3, P4, P5. A number of fish have been observed spawning in McKinnons creek and a number of Reeds have been spotted.
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