About: Optimalization of artificial propagation in European catfish, Silurus glanis L     Goto   Sponge   NotDistinct   Permalink

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Description
  • V této práci je optimalizován postup úmělého výtěru sumce velkého, Silurus glanis L, s cílem zvýšit odběr spermatu a líhnivost plůdku. Zaměřili jsme se na technické aspekty imobilizačních roztoků (IR), aktivačních roztoků (AR), procesu inseminace a aktivace, odlepování jiker, a jejich praktické řešení pro úmělý výtěr v líhních. Spermiace byla stimulována a může trvat (po aplikaci kapří hypofýzy v dávce 5 mg.kg-1 týdně) déle než 1 měsíc. Průkazně největší množství spermií (0.12-0.13.109 spermií kg-1 b.w) produkují mlíčáci po třetí až čtvrté injikaci. Jako nejlepší IR se jevil roztok obsahující 17 mM NaCl, 5 mM Tris-HCl, pH 7. Poměr aktivačního roztoku v ml ke hmotnosti jiker v gramech 1:2 spíše než 1:1 zvýšil líhnivost na 68%. Nejvyšší líhnivost byla dosazena 82-88% při použití 800-80000 spermií na jikru (26%líhnivost při 80 spermií na jikru). Nejvhodnější moment pro aplikaci alkalázy k odlepkování byl 3 min po aktivaci jiker při koncentraci 20 ml enzymu na 1 l vody a expoziční době ... (cs)
  • The present work optimizes procedures for artificial insemination of European catfish, with goals to increase collection of sperm and hatching rate. We address technical aspects of immobilizing solution, activation solution, process of insemination, activation of gametes and elimination of eggs stickness with a practical solution for artificial propagation in hatcheries. Spermaiation was stimulated and could be sustained over a period of 1 month after weekly carp pituitary (CP) injection of 5 mg kg –1 b.w.Males produced significantly the largest quantity of sperm, 0,12-0,13. 109 spermatozoa kg –1 b.w., after third and fourth injections. The best IS for sperm was determined as solution containing 17 mM NaCl, 5 mM Tris-HCl, pH 7. The ratio of 1:2 rather than ratio 1:1 in the control batch (volume of activation solution in the control batchmillimetres/grams of eggs) increased the hatchability up to 68%. The highest success of 82-88% from four individual females were found for sperm nu...
  • The present work optimizes procedures for artificial insemination of European catfish, with goals to increase collection of sperm and hatching rate. We address technical aspects of immobilizing solution, activation solution, process of insemination, activation of gametes and elimination of eggs stickness with a practical solution for artificial propagation in hatcheries. Spermaiation was stimulated and could be sustained over a period of 1 month after weekly carp pituitary (CP) injection of 5 mg kg –1 b.w.Males produced significantly the largest quantity of sperm, 0,12-0,13. 109 spermatozoa kg –1 b.w., after third and fourth injections. The best IS for sperm was determined as solution containing 17 mM NaCl, 5 mM Tris-HCl, pH 7. The ratio of 1:2 rather than ratio 1:1 in the control batch (volume of activation solution in the control batchmillimetres/grams of eggs) increased the hatchability up to 68%. The highest success of 82-88% from four individual females were found for sperm nu... (en)
Title
  • Optimalization of artificial propagation in European catfish, Silurus glanis L
  • Zlepšení technologie úmělého výtěru sumce velkého, Silurus glanis L (cs)
  • Optimalization of artificial propagation in European catfish, Silurus glanis L (en)
skos:prefLabel
  • Optimalization of artificial propagation in European catfish, Silurus glanis L
  • Zlepšení technologie úmělého výtěru sumce velkého, Silurus glanis L (cs)
  • Optimalization of artificial propagation in European catfish, Silurus glanis L (en)
skos:notation
  • RIV/67985904:_____/04:00100606!RIV/2005/MSM/A21005/N
http://linked.open.../vavai/riv/strany
  • 619;632
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(GA524/03/0178), P(OK 187), Z(AV0Z5045916), Z(MSM 126100001)
http://linked.open...iv/cisloPeriodika
  • -
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 578250
http://linked.open...ai/riv/idVysledku
  • RIV/67985904:_____/04:00100606
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • eggs;sprematozoa;aquaculture (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • US - Spojené státy americké
http://linked.open...ontrolniKodProRIV
  • [3952A91B3BF2]
http://linked.open...i/riv/nazevZdroje
  • Aquaculture
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...vavai/riv/projekt
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 235
http://linked.open...iv/tvurceVysledku
  • Gela, David
  • Linhart, Otomar
  • Rodina, Marek
  • Kocour, Martin
http://linked.open...n/vavai/riv/zamer
issn
  • 0044-8486
number of pages
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