Cataract formation in Atlantic salmon, Salmo salar L., smolt relative to dietary pro- and antioxidants and lipid level

Cataract formation in Atlantic salmon, Salmo salar L., smolt relative to dietary pro- and antioxidants and lipid level

The development of cataracts in Atlantic salmon, Salmo salar L., was studied in 16 groups of smolts fed diets differing in prooxidant (iron, copper, manganese) and antioxidant (vitamin E, vitamin C, astaxanthin) composition and lipid level for 23 weeks in sea water, using a 2(7-3) reduced factorial...

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Veröffentlicht in:Journal of fish diseases. - 1998. - 26(2003), 4 vom: 29. Apr., Seite 213-29
1. Verfasser: Waagbø, R (VerfasserIn)
Weitere Verfasser: Hamre, K, Bjerkås, E, Berge, R, Wathne, E, Lie, O, Torstensen, B
Format: Aufsatz
Sprache:English
Veröffentlicht: 2003
Zugriff auf das übergeordnete Werk:Journal of fish diseases
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Antioxidants Blood Glucose Dietary Fats Lipids Reactive Oxygen Species Xanthophylls beta Carotene 01YAE03M7J mehr... Vitamin E 1406-18-4 Manganese 42Z2K6ZL8P Copper 789U1901C5 astaxanthine 8XPW32PR7I Iron E1UOL152H7 Glutathione GAN16C9B8O Glucose IY9XDZ35W2 Zinc J41CSQ7QDS Ascorbic Acid PQ6CK8PD0R
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245 1 0 |a Cataract formation in Atlantic salmon, Salmo salar L., smolt relative to dietary pro- and antioxidants and lipid level 
264 1 |c 2003 
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500 |a Date Revised 30.09.2020 
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500 |a Citation Status MEDLINE 
520 |a The development of cataracts in Atlantic salmon, Salmo salar L., was studied in 16 groups of smolts fed diets differing in prooxidant (iron, copper, manganese) and antioxidant (vitamin E, vitamin C, astaxanthin) composition and lipid level for 23 weeks in sea water, using a 2(7-3) reduced factorial design. The seven dietary variables were systematically varied at low (requirement level and 150 g lipid kg(-1)) and high levels (below known toxic levels and 320 g lipid kg(-1)). A mean endpoint cataract incidence of approximately 36% was observed. High dietary levels of vitamin C and astaxanthin reduced cataract frequency, whereas high dietary lipid level, iron and manganese were associated with increased cataract frequencies. Considering the nutritional status of selected organs of the fish, only the status of ascorbic acid correlated negatively to cataract development (P < 0.05). The lens glutathione (GSH) status was not correlated to cataract frequency, nor statistically explained by the dietary variables. However, the study shows that balancing the diet with respect to pro- and antioxidant nutrients may significantly protect Atlantic salmon against development of cataracts. An incidence of reversible osmotic cataract observed at week 14 was positively correlated to plasma glucose concentration 
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700 1 |a Hamre, K  |e verfasserin  |4 aut 
700 1 |a Bjerkås, E  |e verfasserin  |4 aut 
700 1 |a Berge, R  |e verfasserin  |4 aut 
700 1 |a Wathne, E  |e verfasserin  |4 aut 
700 1 |a Lie, O  |e verfasserin  |4 aut 
700 1 |a Torstensen, B  |e verfasserin  |4 aut 
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