Category Archives: Trout life cycle

The Sanday School release their trout!

As explained in previous posts, the Sanday mini-hatchery was, this year, subjected to the vagaries of the Orcadian winter and boy, wasn’t it an interesting one… By early-March the floating basket containing the ova became encased in 6in. of ice … Continue reading

Posted in Alevins, ova / eggs, Sanday, Trout life cycle | Leave a comment

The Sanday mini-hatchery

Here’s a short video filmed by the pupils showing a typical routine check of our mini brown trout hatchery: water temperature reading, removal of dead ova, solar pump check, water level, etc… The mini hatchery is located outside and submitted … Continue reading

Posted in General info, ova / eggs, Sanday, Trout life cycle | 1 Comment

Fry release in Stromness

Here are the latest photos I received from Mr Cowan from Stromness Primary. The fry release went well in the Mill Burn and his pupils are still busy working on “troot” related work! A big thank you to Malcolm Thomson … Continue reading

Posted in Alevins, Stromness Primary, Trout life cycle | Leave a comment

Hatching alevin video

Here’s a 4mn video montage, shot at the Sanday School, of an alevin which decided to hatch under the microscope as we were checking the embryo:

Posted in Alevins, ova / eggs, Trout life cycle | Leave a comment

Stromness Primary pupils’ work

A couple of days ago, I received these very interesting pieces of work from Miss Kelday. Her pupils had been working on their mini-topic: “Troot in the Shed” and they produced these presentations on the lifecycle of our Orkney brown … Continue reading

Posted in Stromness Primary, Trout life cycle | Leave a comment

Brown trout embryo video

Yesterday, during their AFYD class, the Stronsay pupils had the                                      chance to observe a trout embryo developing inside its ovum. For this, we used a digital USB microscope linked to a laptop and set it up over the egg placed … Continue reading

Posted in ova / eggs, Stronsay, Trout life cycle | Leave a comment

News from Sanday

For the third year running, the Sanday school have put their shed to good use and it is again the home for a batch of Harray Loch brown trout ova. As in the past, pupils and teachers have embraced the … Continue reading

Posted in ova / eggs, Sanday, Trout life cycle | 4 Comments