Results 61 to 70 of about 11,175 (253)

Effects of cypermethrin pesticide on some morphological indices and gill and liver tissues of starry fish (Acipenser stellatus Pallas, 1771) embryo [PDF]

open access: yesبوم‌شناسی آبزیان, 2019
In the present study, the effects of cypermethrin toxin on morphological structures and gill and liver tissues was studied in Acipenser  stellatus. 270 embryos of Acipenser  stellatus (one day post hatching) was used in 3 treatments and 3 replicates ...
Alireza Soleimani   +3 more
doaj  

Bioaccumulation of heavy metals Cu, Zn, and Hg in muscles and liver of the stellate sturgeon (Acipenser stellatus) in the Caspian Sea and their correlation with growth parameters [PDF]

open access: yes, 2012
Bioaccumulation of Cu, Zn, Hg in muscles and liver tissues of stellate sturgeon (Acipenser stellatus) from the southern Caspian Sea was measured.
Heidary, S.   +2 more
core  

Fertilizing ability of cryopreserved spermatozoa in the Persian sturgeon (Acipenser persicus) and stellate sturgeon (A. stellatus) [PDF]

open access: yes, 2009
Motility of spermatozoa was studied on 12 and 7 specimens of Acipenser persicus and A. stellatus, respectively. The density measured to be 2.22±0.65x109ml-1 in A. persicus and 2.21±0.55x109ml-1 in A. stellatus.
Alipour, A.   +3 more
core  

Effects of dietary soybean lecithin on growth performance, blood chemistry and immunity in juvenile stellate sturgeon (Acipenser stellatus)

open access: yesFish and Shellfish Immunology, 2018
&NA; An eleven weeks feeding trial was conducted to determine the effects of different levels of dietary soybean lecithin (SBL) on growth performance, blood chemistry and immunity in juvenile stellate sturgeon (Acipenser stellatus).
F. Jafari   +4 more
semanticscholar   +1 more source

Studying the manner of sturgeon fishes migration to Gorganrud and Tajan rivers

open access: yes‬‭Majallah-i ̒Ilmī-i Shīlāt-i Īrān, 1997
One year study was carried out to understand the sturgeon fish’s migration to Gorganrud & Tajan Rivers from September 1993. Two different catching stations were selected in each river with gillnetting method.
F. Laloei
doaj  

Environmental DNA for monitoring the impact of offshore wind farms on fish and invertebrate community structures

open access: yesEnvironmental DNA, Volume 6, Issue 4, July–August 2024.
Offshore windfarms are marine areas that are difficult to access, and innovative monitoring techniques are needed to study their impact on marine biodiversity. Water sampling and trawl catches conducted in parallel in 30 sites in the Belgian part of the North Sea showed that 12S eDNA metabarcoding retrieved 85.7% of the fish species caught in the beam ...
Isolde Cornelis   +7 more
wiley   +1 more source

Releasing of Sturgeon Fingerlings from Shahid Beheshti rearing and propagation center and Yousefpour Hatchery in 1999

open access: yes‬‭Majallah-i ̒Ilmī-i Shīlāt-i Īrān, 2001
During 1999, Shahid Beheshti & Yousefpour hatcheries were released 6499769 fingerlings produced by 225 female spawners from 1999.5.28 to 1999.7.26. Totally 2458667 fingerlings released from Shahid Beheshti hatchery which consisted of 2360490 specimen of ...
B. Fadaei; M. Behroz khoshghalb; H. Parandavar; J. Imanpor; H. Joshideh; M. Tavakoli
doaj  

Darwin, Haeckel, and the “Mikluskan gas organ theory”

open access: yesDevelopmental Dynamics, Volume 253, Issue 4, Page 370-389, April 2024.
Abstract A previously unknown reference to the Russian ethnologist, biologist, and traveler Nikolai N. Miklucho‐Maclay (1846–1888) was discovered in correspondence between Charles Darwin (1809–1882) and Ernst Haeckel (1834–1919). This reference has remained unknown to science, even to Miklucho‐Maclay's biographers, probably because Darwin used the ...
Ingmar Werneburg   +2 more
wiley   +1 more source

An investigation on Sturgeon Fish migration in Sepid Rud River

open access: yes‬‭Majallah-i ̒Ilmī-i Shīlāt-i Īrān, 1998
This study was conducted to assess migration potential of Sepid Rud River which was naturally used for migration in past. The investigation included an area from the mouth up to 30 km covering part of river's potamon region. During 35 days, starting from
M. Ramin
doaj  

Preliminary Results about Growth Performance and Food Conversion Ratio of Acipenser stellatus juvenils, Fed with Different Dietary Protein Levels

open access: yesScientific Papers Animal Science and Biotechnologies, 2023
The main purpose of this study is to evaluate the effects of different dietary protein levels on Acipenser stellatus growth performance. Researches were conducted between 4 th November-3rd December 2011, in the recirculating system of Aquaculture ...
Maria Desimira Dicu   +5 more
doaj  

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