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| Description
| - Cílem práce bylo stanovení vlivu aplikace 17α?methyltestosteronu na vývoj testikulárníchch buněk u novosamců kapra obecného (Cyprinus carpio L.) ve srovnání s diploidními samci. Gynogenetický plůdek kapra obecného (průměrná hmotnost, BW, 2.6?0.3 g; průměrná celková délka, 10.4?0.5 cm) byl krmen po dobu 40 dnů 17 α -methyltestosteronem (MT) v dávce 100 mg kg1. Krmení plůdku MT vedlo k indukci zvratu pohlaví v rozmezí od 61.5 do 100%. Novosamci vykazovali signifikantně nižší (P < 0.05) tělesnou hmotnost (BW 22.9?0.8) ale signifikantně (P < 0.05) vyšší průměrnou hmotnost gonád (2.1?0.3) a vyšší gonadosomatický index (GSI 9.5?0.2%) ve srovnání s kontrolní skupinou (BW 54.8?1.3; GSI 0.61%). Navíc orální aplikace MT mněla za následek zvýšený počet samců z abnormálním vývojem gonád. Orální aplikace MT také vedla k průkazně vyššímu objemu germinálnych buněk, objemu jádra a objemu cyst (P < 0.01 ve všech případech) ve srovnání s kontrolní skupinou. Celkový počet Sertoliho buněk v cystě vzr (cs)
- The main objective of the present study was to investigate the effects of 17 α -methyltestosterone treatment upon the testicular germ cells of gynogenetic masculinized neomale common carp (Cyprinus carpio L.) in comparison with diploid carp. Gynogenetic common carp progeny (mean body weight, BW, 2.6?0.3 g; mean total length, 10.4?0.5 cm) were treated for a period of 40 days with 17a-methyltestosterone (MT) at a dose of 100 mg kg1. The oral administration of MT resulted in 61.5 - 100% of fish exhibiting male gonads. The masculinized neomales exhibited reduced (P < 0.05) body weight (BW 22.9?0.8) but significantly increased (P < 0.05) mean testis weight (2.1?0.3) and mean gonadosomatic index (GSI 9.5?0.2%) in comparison with fish not treated with MT (BW 54.8?1.3; GSI 0.61%). Furthermore, treatment with MT also resulted in an increased number of fish exhibiting abnormal gonads. However, neomales did not exhibit abnormalities in the development of sperm ducts. MT treatment significantly increa
- The main objective of the present study was to investigate the effects of 17 α -methyltestosterone treatment upon the testicular germ cells of gynogenetic masculinized neomale common carp (Cyprinus carpio L.) in comparison with diploid carp. Gynogenetic common carp progeny (mean body weight, BW, 2.6?0.3 g; mean total length, 10.4?0.5 cm) were treated for a period of 40 days with 17a-methyltestosterone (MT) at a dose of 100 mg kg1. The oral administration of MT resulted in 61.5 - 100% of fish exhibiting male gonads. The masculinized neomales exhibited reduced (P < 0.05) body weight (BW 22.9?0.8) but significantly increased (P < 0.05) mean testis weight (2.1?0.3) and mean gonadosomatic index (GSI 9.5?0.2%) in comparison with fish not treated with MT (BW 54.8?1.3; GSI 0.61%). Furthermore, treatment with MT also resulted in an increased number of fish exhibiting abnormal gonads. However, neomales did not exhibit abnormalities in the development of sperm ducts. MT treatment significantly increa (en)
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| Title
| - A Quantitative Study of Germ Cell Populations as Releated to 17α-methyltestosterone induction of Sex inversion of Common carp (Cyprinus carpio L.)
- Kvantitativní analýza populace germinálníchch buněk ve vztahu k indukci zvratu pohlaví u kapra obecného (Cyprinus carpio L.)17α-methyltestosteronem (cs)
- A Quantitative Study of Germ Cell Populations as Releated to 17α-methyltestosterone induction of Sex inversion of Common carp (Cyprinus carpio L.) (en)
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| skos:prefLabel
| - A Quantitative Study of Germ Cell Populations as Releated to 17α-methyltestosterone induction of Sex inversion of Common carp (Cyprinus carpio L.)
- Kvantitativní analýza populace germinálníchch buněk ve vztahu k indukci zvratu pohlaví u kapra obecného (Cyprinus carpio L.)17α-methyltestosteronem (cs)
- A Quantitative Study of Germ Cell Populations as Releated to 17α-methyltestosterone induction of Sex inversion of Common carp (Cyprinus carpio L.) (en)
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| skos:notation
| - RIV/60076658:12610/08:00008867!RIV09-MSM-12610___
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| http://linked.open...avai/riv/aktivita
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| http://linked.open...avai/riv/aktivity
| - P(LC06073), Z(MSM6007665809)
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| http://linked.open...iv/cisloPeriodika
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| http://linked.open...vai/riv/dodaniDat
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| http://linked.open...aciTvurceVysledku
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| http://linked.open.../riv/druhVysledku
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| http://linked.open...iv/duvernostUdaju
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| http://linked.open...titaPredkladatele
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| http://linked.open...dnocenehoVysledku
| |
| http://linked.open...ai/riv/idVysledku
| - RIV/60076658:12610/08:00008867
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| http://linked.open...riv/jazykVysledku
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| http://linked.open.../riv/klicovaSlova
| - Sex determination; Sex differentiation; Aquaculture; Circulative steroids; All-female population; Neomales (en)
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| http://linked.open.../riv/klicoveSlovo
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| http://linked.open...odStatuVydavatele
| - GB - Spojené království Velké Británie a Severního Irska
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| http://linked.open...ontrolniKodProRIV
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| http://linked.open...i/riv/nazevZdroje
| - Cell Biology International
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| http://linked.open...in/vavai/riv/obor
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| http://linked.open...ichTvurcuVysledku
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| http://linked.open...cetTvurcuVysledku
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| http://linked.open...vavai/riv/projekt
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| http://linked.open...UplatneniVysledku
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| http://linked.open...v/svazekPeriodika
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| http://linked.open...iv/tvurceVysledku
| - Hulák, Martin
- Linhart, Otomar
- Pšenička, Martin
- Coward, Kevin
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| http://linked.open...ain/vavai/riv/wos
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| http://linked.open...n/vavai/riv/zamer
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| issn
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| number of pages
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| http://localhost/t...ganizacniJednotka
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