Results 61 to 70 of about 22,804 (240)

Gilthead sea bream [PDF]

open access: yes, 2003
Two investigations were carried out with 150 g gilthead sea bream Sparus aurata to determine the relative activity of six digestive enzymes (pepsin, trypsin, chymotrypsin, carboxypeptidase A, carboxypeptidase B and amylase) and the pH variation in the ...
Agius, Carmelo   +2 more
core   +1 more source

Determining karyotype of sturgeons

open access: yes‬‭Majallah-i ̒Ilmī-i Shīlāt-i Īrān, 1995
Karyotype of sturgeons Huso huso, Acipenser stellatus, and Acipenser persicus from southern region of- the Caspian Sea, has been examined by use of blood tissue culture. By counting fifty completely extended metaphase plates, the number of chromosomes in
M. Norozfashkhami; M. Khosroshahi
doaj  

Two New Sturgeon Species are Susceptible to Acipenser Iridovirus European (AcIV-E) Infection

open access: yesPathogens, 2020
We report the first case of Acipenser iridovirus European (AcIV-E) infection in starry sturgeon (Acipenser stellatus) and in sterlet (A. ruthenus) reared in Northern Italy. During 2018, mortality began in A. stellatus and A.
Davide Mugetti   +7 more
doaj   +1 more source

State of Florida Conservation Plan for Gulf Sturgeon (Acipenser oxyrinchus desotoi) [PDF]

open access: yes, 2001
Gulf sturgeon are anadromous. They spend the cooler months (October or November through March or April) in estuarine or marine habitats, where they feed on benthic organisms such as isopods, amphipods, lancets, molluscs, crabs, grass shrimp, and ...
Wakeford, Anne
core  

Acipenser gueldenstaedtii Brandt & Ratzeburg 1833

open access: yes, 2018
A. gueldenstaedtii Brandt & Ratzeburg, 1833 first record from Uruguay info published in Serra et al. (2014) remarks introduced exotic species!
Koerber, Stefan   +2 more
openaire   +2 more sources

Development of DNA identification for sturgeon species with the use of real time polymerase chain reaction

open access: yesRibogospodarsʹka Nauka Ukraïni, 2017
Purpose. Sturgeon is the common name for the 27 species of fish belonging to the family Acipenseridae. The family is grouped into four genera: Acipenser, Huso, Scaphirhynchus and Pseudoscaphirhynchus. Four species may now be extinct.
V. Spyrydonov
doaj   +1 more source

Acipenser nudiventris Lovetsky 1828

open access: yes, 2020
Published as part of Jouladeh-Roudbar, Arash, Ghanavi, Hamid Reza & Doadrio, Ignacio, 2020, Fig. 4 in Fig. 4 in Fig. 3 in Fig. 21. Sesarmops mora n in Paralbunea dayriti, pp. 1-303 in Zoological Studies 59 (21) on page 15, DOI: 10.6620/ZS.2020.59-21, http://zenodo.org/record ...
Jouladeh-Roudbar, Arash   +2 more
openaire   +2 more sources

A comparison of methods for determining ploidy in white sturgeon (Acipenser transmontanus) [PDF]

open access: yes, 2019
Release of sturgeon with abnormal ploidy into the wild may result in reduced fitness due to lowered fertility in the F2 and subsequent generations. Further, there is evidence that ploidy affects reproductive development and caviar yield.
Fiske, JA   +6 more
core  

Détermination de l'âge et croissance de l'Acipenser sturio L. de la Gironde

open access: yesKnowledge and Management of Aquatic Ecosystems, 1959
La détermination de l'âge de 66 Esturgeons (Acipenser sturio L), péchés en 1958 en Gironde, a été réalisée par l'étude de coupes minces effectuées principalement dans le premier rayon de la nageoire pectorale.
MAGNIN É.
doaj   +1 more source

Aннотированный список рыбообразных и рыб водоемов и водотоков бассейна верхнего Иртыша Восточного Казахстана с комментариями по их таксономии и зоогеографии

open access: yesActa Biologica Sibirica, 2019
Приводится список рыбообразных и рыб, обитающих в водоемах и водотоках бассейна Верхнего Иртыша. Список содержит 43 вида, относящихся к 7 отрядам, 10 семействам и 30 родам. Включены все зарегистрированные на настоящий момент виды, валидность которых была
A. A. Yevseyeva   +2 more
doaj   +1 more source

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