Results 141 to 150 of about 673 (157)

ПАРАЗИТОФАУНА СТЕРЛЯДИ ACIPENSER RUTHENUS L., 1758 р. ВЯТКА

The parasitic fauna of the sterlet Acipenser ruthenus (24 specimens) of the Vyatka River (a tributary of the Kama River) was studied. The material was collected in 2015–2016. The average length of the fish was 41.2 cm. Eight species of parasites were found: Polypodium hydriforme, Diclybothrium armatum, Skrjabinopsolus sp., Ichthiocotylurus sp ...
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Chov jesetera malého (Acipenser ruthenus) v České republice

2016
This dissertation provides an overview of the status of critically endangered sterlet in the Czech Republic and in other countries located in the Danube river basin. Results of own research of artificial breeding at experimental and farm conditions are presented.
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ВЛИЯНИЕ КОРМОВ С ПРОБИОТИКАМИ НА РОСТ, РАЗВИТИЕ И ПОВЕДЕНЧЕСКИЕ РЕАКЦИИ КАРПА CYPRINUS CARPIO, СТЕРЛЯДИ ACIPENSER RUTHENUS И БЕСТЕРА HUSO HUSO Х ACIPENSER RUTHENUS

Science in the South of Russia
Экспериментально изучено влияние пробиотических препаратов в составе корма на рост, развитие и поведенческие реакции молоди рыб разных видов: стерляди, гибрида белуги и стерляди, чешуйчатого карпа - в условиях установок с замкнутым водообеспечением. Корма, содержащие пробиотические добавки, способствовали интенсивному росту и высокой выживаемости рыб ...
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تغییرات مورفولوژیک و توسعه مراحل لاروی ماهی استرلیاد (Acipenser ruthenus)

2019
این مطالعه به ­منظور بررسی تکامل لاروی ماهی استرلیاد (Acipenser ruthenus) طی نمونه­ برداری روزانه از زمان تفریخ تا روز بیستم انجام شد. نمونه­ ها در فرمالین تثبیت و اندازه­ گیری­ های مربوطه با استفاده از لوپ مجهز به میکرومتر انجام گرفت. طی این مطالعه، مشخص شد با افزایش سن، همه اندام­ ها دارای رشد افزایشی می­ باشند، به غیر از کیسه زرده که با افزایش سن ...
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Infezione da Aeromonas hydrophila in sterleti (Acipenser ruthenus) in un allevamento della Pianura Padana. / Aeromonas hydrophila in sterleti (Acipenser ruthenus) in Padana Plain.

2000
RIASSUNTO Nel giugno 1998, in una partita di 15.000 sterleti (Acipenser ruthenus) del peso medio di 1 grammo, in un allevamento d’acqua calda sito in Provincia di Modena, si è verificata nell’arco di 30 ore una grave mortalità (30%). All’esame clinico si osservavano: atassia natatoria, assenza di fuga alla stimolazione, dimagramento ed ascite.
QUAGLIO, FRANCESCO, R. BOCUS, M. L. DELGADO, R. GAMBERINI, L. NOBILE, C. MINELLI, A. GALUPPI, R. RESTANI   +7 more
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Ependymal structures in Acipenser ruthenus (Osteichthyes)

Fortschritte der Zoologie, 1985
Krautgartner, Wolf-Dietrich, Kotrschal, Kurt   +1 more
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Cryopreservation of sterlet (Acipenser ruthenus) spermatozoa using different cryoprotectants

Journal of Applied Ichthyology, 2011
S. Boryshpolets, B. Dzyuba, M. Rodina, S. M. H. Alavi, D. Gela, O. Linhart   +5 more
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Untersuchungen zur Entwicklungsgeschichte des Sterlets (Acipenser ruthenus L.)

Zeitschrift für Anatomie und Entwicklungsgeschichte, 1926
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Juvenile growth of Acipenser ruthenus and 4 different sturgeon hybrids

Journal of Applied Ichthyology, 1999
H. Jähnichen, K. Kohlmann, B. Rennert
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?????????????????????????????????????? ???????????? ???????????????? (Acipenser ruthenus) ?? ???????????????????????????? ???????????????????????? ?????????? ???? ???????????? ????????

2018
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