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  • 1
    Electronic Resource
    Electronic Resource
    The Value of Enriched Artemia in Supporting Growth and Survival of Juvenile Pot-bellied Seahorses Hippocampus abdominalis (2003)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of the World Aquaculture Society 34 (2003), S. 0 
    Details
    ISSN: 1749-7345
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1749-7345.2003.tb00093.x
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  • 2
    Electronic Resource
    Electronic Resource
    Embryology and Evolution. (1930)
    [s.l.] : Nature Publishing Group
    Nature 126 (1930), S. 918-918 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] I HAVE read with much interest Prof. MacBride's review entitled “The Problem of Epigenesis”, and I should like to make a few remarks upon what he says at the end. First of all, I wonder if the following analogy will help him, as it has helped me, to reconcile the conceptions of the geneticist ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/126918b0
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  • 3
    Electronic Resource
    Electronic Resource
    Preparation of Stereoscopic Red-Green Wall-Diagrams (1936)
    [s.l.] : Nature Publishing Group
    Nature 137 (1936), S. 660-661 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] I SUPPOSE that, during the course of teaching most science subjects, there are occasions when students would be able to visualise more quickly what the lecturer is trying to describe if they could be shown the object in three dimensions. Wall-diagrams of the stereogram type and models are all ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/137660a0
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  • 4
    Electronic Resource
    Electronic Resource
    Succession of Broods of Lebistes (1937)
    [s.l.] : Nature Publishing Group
    Nature 140 (1937), S. 155-155 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THERE seems to be a point in the natural history of Lebistes which is not generally known among those using this fish as a ‘laboratory animal’ in Great Britain. As it affects certain types of research very markedly, the following information will be of interest to those using this fish. ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/140155a0
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  • 5
    Electronic Resource
    Electronic Resource
    Nomenclature of the Vertebrate Gut (1927)
    [s.l.] : Nature Publishing Group
    Nature 119 (1927), S. 855-856 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IT is, of course, well known to all zoologists that certain names have been applied to structures in different animals without due regard to the real significance either of the name or of the structure, with the result that bv now these names have lost their definiteness and with it their ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/119855b0
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  • 6
    Electronic Resource
    Electronic Resource
    The effect of feeding regime on growth, locomotor activity pattern and the development of food anticipatory activity in greenback flounder (2001)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of fish biology 58 (2001), S. 0 
    Details
    ISSN: 1095-8649
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: The mean final weight of juvenile greenback flounder Rhombosolea tapirina fed a single daily meal during the scotophase was lower than that of groups fed continuously or fed twelve, six, three or one meal during the photophase. Final weight did not differ among the latter five groups. Size variation in all groups of fish decreased during the course of the trial over 120 days. Groups assigned to a higher frequency (and hence a longer total daily meal duration) of daily meals were less active during mealtime. A distinct food anticipatory effect was observed in the groups of fish receiving a single daily meal during either photophase or scotophase, and also developed before at least one meal in the group of fish fed three meals per day.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1095-8649.2001.tb00506.x
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  • 7
    Electronic Resource
    Electronic Resource
    The effect of meal size and meal duration on food anticipatory activity in greenback flounder (2001)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of fish biology 58 (2001), S. 0 
    Details
    ISSN: 1095-8649
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Latency of food anticipatory activity (FAA) in greenback flounder Rhombosolea tapirina was about 21 days. Fish fed at meal sizes of 0·25 and 0·5%W day−1 exhibited FAA under meal durations of 1, 3 and 7 h. Fish fed at 1·5%W day−1 showed FAA only at a meal duration of 1 h. At each meal size, FAA was shorter and lower the longer the duration of the meal. The mean durations of FAA and post-feeding activity were correlated positively (r=0·87; P〈0·01; n=7). FAA persisted for 〈3 days during food deprivation. It is suggested that greenback flounder was capable of evaluating the energetic and temporal impacts of a single daily meal.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1095-8649.2001.tb00507.x
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  • 8
    Electronic Resource
    Electronic Resource
    Effect of acute and chronic ammonia and nitrite exposure on oxygen consumption and growth of juvenile big bellied seahorse (2001)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of fish biology 58 (2001), S. 0 
    Details
    ISSN: 1095-8649
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Juvenile big bellied seahorse Hippocampus abdominalis were exposed acutely and chronically to elevated ammonia and nitrite {24 h exposure: 0·01, 5·0, 10·1, 14·8 and 19·9 mg l−1 total ammonia-nitrogen [TA-N] and 〈0·001, 74·4, 99·2 and 123·6 mg l−1 [NO2-N] nitrite-nitrogen and 35 days exposure: 0·11, 0·55, 1·67 and 3·07 mg l−1 TAN and 〈0·001, 0·92, 4·67 and 9·10 mg NO2-N l−1}. Significant (P〈0·001) increases in oxygen consumption rate and ventilation frequency occurred at 14·8, 19·9 mg l−1 TA-N and 99·2, 123·6 mg l−1 NO2-N for acutely exposed fish. Oxygen consumption rate was significantly (P〈0·05) elevated at 1·67 and 3·07 mg l−1 TA-N in chronically treated fish and ventilation frequency increased significantly (P〈0·05) at 0·55, 1·67, 3·07 mg l−1 TA-N and 4·59, 9·10 mg l−1 NO2-N. There were no significant differences in growth between controls and ammonia exposed fish. Mortalities occurred at 14·8, 19·9 mg l−1 TA-N.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1095-8649.2001.tb00535.x
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  • 9
    Electronic Resource
    Electronic Resource
    Diurnal and seasonal variation in feeding patterns of Atlantic salmon, Salmo salar L., in sea cages (1999)
    Oxford, UK : Blackwell Science Ltd
    Aquaculture research 30 (1999), S. 0 
    Details
    ISSN: 1365-2109
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Atlantic salmon, Salmo salar L., in sea cages exhibit feeding patterns that vary both diurnally and seasonally. Hitherto, there are no data reporting feed rate and its variation through a complete annual cycle. Here we present data from Scotland showing diurnal and interseasonal variation in feeding patterns and feeding rates of Atlantic salmon fed daily to satiation from shortly after transfer to seawater until harvest about 11 months later. A major feeding peak regularly occurred soon after dawn, and feeding rates remained high for approximately one hour. Over the remainder of the day, the fish fed at a lower but steady rate. Relative feed intake varied over the trial, being initially high in summer followed by a sharp decline in autumn, and then further declining until fish reached harvest size at the beginning of the following summer. Further investigations of the relationship between variation in circannual feeding patterns and environmental parameters should now be carried out to improve the understanding of the mechanism behind these patterns.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1365-2109.1999.00385.x
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  • 10
    Electronic Resource
    Electronic Resource
    The combined effect of feeding time and ration on growth performance and nitrogen metabolism of greenback flounder (1999)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of fish biology 55 (1999), S. 0 
    Details
    ISSN: 1095-8649
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Greenback flounder Rhombosolea tapirina (c. 2 g) fed to satiation had significantly (P 〈0·01) higher feed consumption in the evening than in the morning whereas there was no difference between feeding times for flounder fed restricted rations (1 or 2% body weight per day) because they consumed all of the ration. Differences in growth performance were due to feeding time and ration. Carcass moisture, lipid and energy content were significantly (P 〈0·001) different between rations; length gain was significantly affected by feeding time (P 〈0·05) and ration (P 〈0·001); weight gain showed a significant (P 〈0·001) interaction between feeding time and ration. The relationship between feed consumption and specific growth rate showed that the exponential gradient was significantly higher (P〈0·01) for the evening fed fish and indicated feed efficiency for evening fed fish increased as feed consumption increased. Urea excretion increased from 12–20 to 58–63% of total nitrogen excretion at the 1 and 3% rations, respectively. Ammonia and urea excretion were significantly affected by ration (P 〈0·001) and feeding time (P 〈0·05). Fish fed the 2% ration in the evening had higher growth efficiency and significantly (P 〈0·01) lower rates of urea excretion than fish fed 2 or 3% ration in the morning. It is suggested that the higher energetic costs associated with differences in ammonia and urea excretion contributed to differences in growth efficiency.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1095-8649.1999.tb02079.x
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