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Pisciculture - ponds at home and abroad: salmon breeding-ponds, 1862. Creator: Unknown
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Pisciculture - ponds at home and abroad: salmon breeding-ponds, 1862. Creator: Unknown
Pisciculture - ponds at home and abroad: salmon breeding-ponds, 1862. The rough sketch...of a series of breeding-ponds is imitated from those at Stormontfield [in Scotland]...The supply of water is derived from a mill race which flows parallel with the [River] Tay. It is filtered into pond a, which is kept as a reservoir to supply the canal b, whence it flows over the breeding-boxes and into the canal c, out of which it flows into the reception-pond d. The two runlets e and f are employed, one to let away the surplus water, the other to conduct the fish into the Tay, when, the migratory instinct comes upon them. The various inlets and outlets are carefully guarded and regulated by sluices, to keep out such enemies as might prey on the eggs or the young fish. A hatching can only take place at Stormontfield every two years, in consequence of there being only one reception-pond. As one half of the fry migrate at the end of the first year, it would be dangerous to introduce newly-hatched fish into the reception-pond containing the half of the previous year's breed...The fact of so many thousands of eggs having been hatched at Stormontfield proves conclusively that it is practicable to protect the ova of the salmon till it is nursed into life'. From "Illustrated London News", 1862
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Media ID 35123215
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Aquatic Life Breeding Canal Diagram Fish Fishes Fishing Pond Ray Finned Fish River Tay Salmon Water Supply Fish Farming Ponds Salmon Fishing
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EDITORS COMMENTS
This photograph, taken in 1862, showcases a series of salmon breeding-ponds, a prime example of pisciculture or fish farming, both at home and abroad. The image is believed to be inspired by the ponds at Stormontfield in Scotland. The water supply for these ponds is sourced from a mill race that runs parallel to the River Tay. The water first flows into reservoir pond A, which regulates the flow to canal B. From there, it passes over the breeding-boxes, where the salmon eggs are carefully placed, and then into canal C. The water then flows into the reception-pond D, where the hatched salmon fry are nurtured before being released into the Tay River. Two runlets, one for letting away surplus water and the other for guiding the fish into the river, ensure the delicate balance of the ecosystem is maintained. The inlets and outlets are meticulously guarded and regulated by sluices to protect the eggs and young fish from predators. Hatching at Stormontfield occurs only every two years due to the presence of only one reception-pond. To prevent the introduction of newly-hatched fish into the reception-pond with the previous year's breed, the process is carefully timed. The success of hatching thousands of salmon eggs at Stormontfield is a testament to the feasibility of protecting salmon ova until they hatch and grow into healthy fish.
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