Presence of an oesophageal mucus plug at the time of emergence in grayling (Thymallus thymaUus) and Atlantic salMon (Saltno Salar) |
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| Authors: | A Bardonet P Gaudin O Grolet J E Tiiorpe † |
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| Institution: | INRA Ecologic Hydrobioloique, 65 rue de St Brieue;35042 Rennes Cedex, France;Laboratoire de Biologie Animate el Ecologie: 43 Bd. du 11 Novembre 1918. F-69022 Villeurbame Cedex, France;SOAFD Freshwater Fisheries Laboratory Pitlochry P1116 5LB Scotland |
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| Abstract: | Grayling (Thymallus thymallus) and salmon (salmo solar) Fry were trapped on emergence from development under gravel.The Oesophagus was completely blocked by mueus in 30% of the emergent grayling as compared to only 6.5% of the salmon |
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| Keywords: | grayling Atlantic salmon emergence oesophageal plug |
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