Zobrazeno 1 - 10
of 127
pro vyhledávání: '"Franz Lahnsteiner"'
Publikováno v:
Aquaculture Journal, Vol 3, Iss 2, Pp 107-120 (2023)
First feeding of many fish larvae depends on live feed. A comparative investigation on the effectiveness of different types of live feed is not available to our knowledge. Hence, we conducted a study to examine the effect of different types and combi
Externí odkaz:
https://doaj.org/article/f5d3d7df491c40ce8a61f15c2530f57e
Autor:
Franz Lahnsteiner
Publikováno v:
Animals, Vol 14, Iss 6, p 919 (2024)
Seven-month-old rainbow trout acclimated to 9 °C were used. The fish were gradually adapted to a water temperature of 20 °C over a period of seven days and then exposed to this temperature for 32 days. Changes in gill morphometry and histology and
Externí odkaz:
https://doaj.org/article/85c66f6011b544d5b34eef4d1f1b3198
Autor:
Franz Lahnsteiner
Publikováno v:
Czech Journal of Animal Science, Vol 62, Iss 10, Pp 403-416 (2017)
Activities of digestive enzymes and main histological characteristics of the intestine were investigated in larvae of three salmonid species (Coregonus maraena, C. atterensis, Thymallus thymallus), of burbot (Lota lota), and pikeperch (Sander luciope
Externí odkaz:
https://doaj.org/article/5cd782ef85a44f2eab1f7d61e2752070
Autor:
Franz Lahnsteiner
Routine metabolic rate (RMR), faeces composition, quantities of dissolved excretion, and energy reserves were investigated in diploid (2n) and triploid (3n) Salvelinus fontinalis and 2n Oncorhynchus mykiss exposed to 20°C for 32 d in comparison to f
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8e8f32d53345c6ff917ad99fc466edca
https://doi.org/10.21203/rs.3.rs-2010410/v1
https://doi.org/10.21203/rs.3.rs-2010410/v1
Autor:
Franz Lahnsteiner
Publikováno v:
Aquaculture International. 29:1949-1962
For preventing transmission of pathogens from broodstock fish to offspring, the non-hardened eggs are routinely disinfected with iodophore solution immediately after fertilization. In the present study, 25–50 mg l-1 Chloramine T® (active substance
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c2131657cf9bd9c69b7f626f8efecb10
https://doi.org/10.1007/s10499-021-00727-0
https://doi.org/10.1007/s10499-021-00727-0
Autor:
Franz Lahnsteiner
Publikováno v:
Österreichische Wasser- und Abfallwirtschaft. 73:337-343
Aquakultur ist mittlerweile der weltweit am schnellsten wachsende Produktionszweig fur Lebensmittel. Ohne Forschung, Sichtung der Daten und Wissenstransfer in die Praxis kann es aber in der Aquakultur keinen Fortschritt geben. Unsere Aufgaben am Bund
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4ebab742f63ed374130f99a63249b5b3
https://doi.org/10.1007/s00506-021-00765-1
https://doi.org/10.1007/s00506-021-00765-1
Autor:
Franz Lahnsteiner
Publikováno v:
Journal of fish biologyREFERENCES. 101(1)
Many physiological processes of teleost fish show periodicity due to intrinsic rhythms. It may be hypothesized that also susceptibility to thermal stress differs seasonally. To shed more light on this problem the following experiment was conducted. D
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9fc6ad1bd768cdc9ccbd41872c1af4f6
https://pubmed.ncbi.nlm.nih.gov/35633147
https://pubmed.ncbi.nlm.nih.gov/35633147
Publikováno v:
Journal of Applied Aquaculture. 33:183-208
A comparative study was conducted on gonad development of triploid Salvelinus fontinalis, Salvelinus umbla, and Salmo trutta f. lacustris. Triploid males developed testes and had a reproductive cyc...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d94e62e1d2b09c8f7dd3977b1750ea24
https://doi.org/10.1080/10454438.2020.1760993
https://doi.org/10.1080/10454438.2020.1760993
Autor:
Franz Lahnsteiner
Publikováno v:
SSRN Electronic Journal.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0539fcef097f755b587ee32fe44b994d
https://doi.org/10.2139/ssrn.4038105
https://doi.org/10.2139/ssrn.4038105
Publikováno v:
Aquaculture Research. 50:2444-2459
Differences in metabolism (enzyme activities, metabolites) between diploid and triploid Salmo trutta f. lacustris were investigated under acclimation and stress conditions. Under acclimation conditions enzyme activities differed for 35% of the 27 inv
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::21082b34b26bc55a5394a1f079456093
https://doi.org/10.1111/are.14198
https://doi.org/10.1111/are.14198