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Zmiany morfologiczne i histologiczne ukladu pokarmowego i pecherza plawnego w okresie wczesnej organogenezy larw sandacza [Stizostedion luciopercsa L.] w roznych warunkach odchowu

100%

Ostaszewska T.

Rozprawy Naukowe i Monografie. Szkoła Główna Gospodarstwa Wiejskiego w Warszawie

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2002

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nr 245

1-96

2

The effect of water pH on the development of hatching glands in pikeperch (Stizostedion lucioperca)

100%

Ostaszewska T.

Annals of Warsaw Agricultural University. Animal Science

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1989

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tom 24

3

Development of unicellular hatching glands in carp [Cyprinus carpio L.]

100%

Ostaszewska T.

Annals of Warsaw Agricultural University. Animal Science

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1998

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tom 34

19-28

4

Hatching gland clls in embryos of pikeperch (Stizostedion lucioperca)

100%

Ostaszewska T.

Annals of Warsaw Agricultural University. Animal Science

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1989

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tom 24

5

The sequential differentiation and formation of hepatic and pancreatic structures in asp [Aspius aspius L.] larvae

100%

Ostaszewska T.

Electronic Journal of Polish Agricultural Universities. Series Fisheries

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2002

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tom 05

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nr 1

The study focussed on differentiation of hepatic and pancreatic cells in asp (Aspius aspius L.) larvae during early ontogeny (121 days post hatch). Histological evaluations and histochemical assays showed the asp liver and pancreas to commence functioning almost simulatenously, between the third and the fifth day of larval life.

6

Ultrastructural changes in the unicellular hatching glands of common carp [Cyprinus carpio L.] incubated at low or high water pH

100%

Ostaszewska T.

Annals of Animal Science

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2002

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tom 02

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nr 2

7

Effect of low water pH on the embryo and larval development of the pikeperch [Stizostedion lucioperca L.] - histological observations

63%

Ostaszewska T., Wojda R.

Archiwum Rybactwa Polskiego

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1997

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tom 05

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nr 1

183-195

8

Development of digestive tract and swim bladder in larvae and juvenile stages of the Central American Cichlidae family on the example of T-bar cichlid (Cryptoheros sajica, Bussing, 1974)

63%

Kamaszewski M., Ostaszewska T.

Annals of Warsaw University of Life Sciences - SGGW. Animal Science

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2009

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tom 46

Development of digestive tract and swim bladder in larvae and juvenile stages of Central American Cichlidae family on the example of T-bar cichlid (Cryptoheros sajica, Bussing 1974). The aim of the work was to investigate the development of digestive tract and filling of swim bladder in larval fish and juvenile individuals of T-bar cichlid. For tests, larvae and juvenile individuals from 1st to 30th day post hatching (dph) were selected and subjected to standard histological procedure. It was found that the endogenous feeding period in T-bar cichlids lasted since 1 to 4 dph, the endo-exogenous feeding period - since 4th to 10(h dph and the exogenous feeding period was commenced since the 10,h dph. In the examined species, the juvenile period was commenced together with the complete development of stomach and stomach glands, what occurred on 20th dph. The presence of swim bladder in T-bar cichlid was found on 1st dph. The discussed species have a closed bladder (physoclisti). Air duct is present until filling of swim bladder (5th-7th dph).

9

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The effect of feeding on aminopeptidase and non-specific esterase activity in the digestive system of pike-perch (Sander lucioperca L.)

63%

Kamaszewski M., Ostaszewska T.

Annals of Warsaw University of Life Sciences - SGGW. Animal Science

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2013

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tom 52

The pike-perch (Sander lucioperca L.) at the age of 18 days were fed for 21 days using three different diets: Agio Norse (An), casein-gelatin (Cas), cod meal with gelatin (Mac) and nauplius Artemia salina (Art - control diet). On the last day of the experiment, fish fed Art and An diets had the statistically significant highest body mass, length, and survival. On the last day, the highest aminopeptidase activity in the anterior intestine and posterior intestine was registered in fish fed nauplius Artemia salina. The lowest activity of this enzyme in the anterior intestine was to be found in fish fed with Cas diet, while there was no difference between among groups in the posterior intestine. The non-specific esterase activity was registered in the stomach, liver, anterior intestine as well as in the posterior intestine. The lowest activity of this enzyme in the stomach was observed in the pike-perch fed with the Cas diet. In the anterior intestine, the highest activity was registered in fish fed with Art, and the lowest - on the Cas and Mac diet. The results of the current research prove that feeding the pike-perch An diet has a positive effect of the survival of the pike-perch, their growth rate and the activity of the enzymes. By contrast, feeding pike-perch Cas and Mac diets did not satisfy nutritional needs of fish, resulting in their low survival, growth rate and low activity of the enzymes examined.

10

Influence of dietary fatty acids and fat level on morphological changes in the liver of nase (Chondrostoma nasus L.)

63%

Ostaszewska T., Sawosz E.

Journal of Animal and Feed Sciences. Supplement

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2004

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tom 13

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nr 2

11

The effect of different levels of lysine and methionine in pelleted milling feedstuff on the results in carp production

63%

Wojda R., Ostaszewska T.

Annals of Warsaw Agricultural University. Animal Science

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1990

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tom 25

12

Konferencja naukowa pt. "Ryby jesiotrowate i ich przyszłość" - Berdiansk - 7-10 lipca 2011 r.

63%

Kolman R., Ostaszewska T.

Komunikaty Rybackie

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2011

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nr 4

13

Development of hepatocytes in nase (Chondrostoma nasus (L.)) larvae following hatch

63%

Ostaszewska T., Sysa P.

Archives of Polish Fisheries

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2004

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tom 12

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nr 2

The development of the nase liver was examined under light and electron microscopes from the moment of hatching until the juvenile stage. Three phases of hepatocyte differentiation were observed during the organogenesis of nase livers. In the first phase, from hatching until day 4, the hepatoblasts of the primordial liver are morphologically undifferentiated and divided by sinus vessels. They also store glycogen. In the second phase, from the moment when the mouth cavity becomes passable until the resorption of the yolk sac, organelles typical of the structure of hepatocytes appear and begin to function. At the end of this phase signs of bile lipid synthesis and secretion become visible. The third phase is when exogenous nutrition begins and is characterized by the increased activity of the significant organelles engaged in protein synthesis and secretion, such as the endoplasmic reticulum and the Golgi apparatus.

14

Differentiation of alimentary tract during organogenesis in larval asp [Aspius aspius L.]

63%

Ostaszewska T., Wegiel M.

Acta Scientiarum Polonorum. Piscaria

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2002

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tom 01

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nr 1

15

The effect of diet on the fatty acid composition and liver histology of pikeperch [Sander lucioperca [L.]] larvae

63%

Ostaszewska T., Boruta A.

Archives of Polish Fisheries

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2006

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tom 14

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nr 1

The present study was an attempt to determine the effect various types of diets had on growth, survival, and the content of fatty acids (FA) in pikeperch, Sander lucioperca (L.), larvae. During larval development (from day 5 to day 47 post-hatch), the fish were fed two commercial feeds - Bio Kyowa (BK group) and Agio Norse (AN group) - and Artemia nauplii (A group). A separate group was comprised of larvae which developed under natural conditions (Z group). The results obtained show that the composition of fatty acids of both commercial feeds and Artemia nauplii satisfied the nutritional requirements of pikeperch larvae during their development, which was indicated by high survival and satisfactory growth rates (survival – 50.8 - 54.4%; final body weight – 0.481 - 0.575 g; total length – 37.85 - 48.31 mm). The A group larvae had a two-fold higher content of C 18:1 acid in comparison to the fish in the BK and AN groups. In the A group, polyunsaturated fatty acids comprised 26.07% of total FA content, while in the BK, AN, and Z groups it was 40%. Based on histological observations, it was found that the larvae fed the AN diet had the greatest capacity of hepatocytes and the greatest relative capacity of cytoplasm occupied by lipids.

16

Polymorphism of lactate and malate dehydrogenases in two lines of common carp [Cyprinus carpio L.] spawners in Laki Jaktorowskie

63%

Ostaszewska T., Martyniuk E.

Folia Universitatis Agriculturae Stetinensis. Piscaria

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2000

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tom 27

17

Histopathological changes in juvenile carp Cyprinus carpio L. continuously exposed to high nitrite levels from hatching

63%

Korwin-Kossakowski M., Ostaszewska T.

Archives of Polish Fisheries

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2003

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tom 11

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nr 1

Carp were cultivated (from day 3 to 30 after hatching) in water with a nitrite concentration of 7 mg NO₂-N dm³. The results of histological studies confirmed pathological changes in the throat, gills, heart, blood, swim bladder, liver and kidneys. These changes mainly had an adverse impact on respiration and growth. The total length and weight of fish from water with nitrites was lower by 30 and 75%, respectively, and their survival rate was 62% (97% in the control group).

18

Akwakultura jako narzędzie poprawy statusu karpiowatych ryb reofilnych w Polsce - stan i perspektywy badań

51%

Sliwinski J., Ostaszewska T., Kamaszewski M.

Przegląd Naukowy. Inżynieria i Kształtowanie Środowiska

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2016

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tom 25

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nr 2[72]

Akwakultura jako narzędzie poprawy statusu karpiowatych ryb reofilnych w Polsce – stan i perspektywy badań. Ekosystemy śródlądowych wód płynących na skutek przekształceń o charakterze antropogenicznym są obecnie jednymi z najbardziej zmienionych i zagrożonych środowisk naturalnych. Ichtiofauna, jako istotny element biosystemu, również podlega tym zmianom. W efekcie, od wielu lat obserwuje się zmniejszenie liczebności ugrupowań ryb zasiedlających rzeki. Karpiowate ryby reofilne są ważnym składnikiem ichtiocenoz rzecznych. Ze względu na znaczenie środowiskowe, ale również gospodarcze, od wielu lat są obiektem zainteresowań zespołów badawczych w Polsce. W latach osiemdziesiątych XX wieku rozpoczęto programy badawcze ukierunkowane na opracowanie metod rozrodu oraz wychowu materiału zarybieniowego tej grupy ryb. Badania te zakończyły się sukcesem naukowym, a także aplikacyjnym. W wyniku ponad dwudziestoletnich zabiegów nastąpiła poprawa statusu niektórych opisywanych gatunków w zakresie stopnia ich zagrożenia. Obecnie istnieje konieczność kontynuowania intensywnych działań zmierzających do ochrony i odbudowy populacji tych gatunków ryb reofilnych, których status nie uległ poprawie. Jest to możliwe między innymi dzięki opracowaniu innowacyjnych biotechnik w akwakulturze. Mimo istnienia wielu zagrożeń, akwakultura karpiowatych ryb reofilnych opracowana na wynikach badań naukowych może stać się w większym zakresie niż obecnie ważnym elementem nowoczesnej akwakultury w Polsce, wspierającej działania na rzecz ochrony i poprawy zasobów przyrodniczych oraz zachowania różnorodności biologicznej wód płynących.

19

The effect of dietary L-ascorbic acid megadoses on the morphology of the lens in rats

51%

Niemiec T., Ostaszewska T., Sawosz E., Szmidt M.

Journal of Animal and Feed Sciences. Supplement

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2006

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tom 15

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nr 1

20

Histopathological changes in juvenile carp Cyprinus carpio [L.] continously exposed to alkaline levels of pH, from hatching

51%

Ostaszewska T., Korwin-Kossakowski M., Czarnogorski M., Resiak G.

Archiwum Rybactwa Polskiego

|

1999

|

tom 07

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nr 2

329-342

Ograniczanie wyników

Zmiany morfologiczne i histologiczne ukladu pokarmowego i pecherza plawnego w okresie wczesnej organogenezy larw sandacza [Stizostedion luciopercsa L.] w roznych warunkach odchowu

The effect of water pH on the development of hatching glands in pikeperch (Stizostedion lucioperca)

Development of unicellular hatching glands in carp [Cyprinus carpio L.]

Hatching gland clls in embryos of pikeperch (Stizostedion lucioperca)

The sequential differentiation and formation of hepatic and pancreatic structures in asp [Aspius aspius L.] larvae

Ultrastructural changes in the unicellular hatching glands of common carp [Cyprinus carpio L.] incubated at low or high water pH

Effect of low water pH on the embryo and larval development of the pikeperch [Stizostedion lucioperca L.] - histological observations

Development of digestive tract and swim bladder in larvae and juvenile stages of the Central American Cichlidae family on the example of T-bar cichlid (Cryptoheros sajica, Bussing, 1974)

The effect of feeding on aminopeptidase and non-specific esterase activity in the digestive system of pike-perch (Sander lucioperca L.)

Influence of dietary fatty acids and fat level on morphological changes in the liver of nase (Chondrostoma nasus L.)

The effect of different levels of lysine and methionine in pelleted milling feedstuff on the results in carp production

Konferencja naukowa pt. "Ryby jesiotrowate i ich przyszłość" - Berdiansk - 7-10 lipca 2011 r.

Development of hepatocytes in nase (Chondrostoma nasus (L.)) larvae following hatch

Differentiation of alimentary tract during organogenesis in larval asp [Aspius aspius L.]

The effect of diet on the fatty acid composition and liver histology of pikeperch [Sander lucioperca [L.]] larvae

Polymorphism of lactate and malate dehydrogenases in two lines of common carp [Cyprinus carpio L.] spawners in Laki Jaktorowskie

Histopathological changes in juvenile carp Cyprinus carpio L. continuously exposed to high nitrite levels from hatching

Akwakultura jako narzędzie poprawy statusu karpiowatych ryb reofilnych w Polsce - stan i perspektywy badań

The effect of dietary L-ascorbic acid megadoses on the morphology of the lens in rats

Histopathological changes in juvenile carp Cyprinus carpio [L.] continously exposed to alkaline levels of pH, from hatching