About: Grass carp (Ctenopharyngodon idella) grazing on duckweed (Spirodela polyrhiza).

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About: Grass carp (Ctenopharyngodon idella) grazing on duckweed (Spirodela polyrhiza). Goto Sponge NotDistinct Permalink

An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

Attributes	Values
rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The aims of this experiment were (1) to quantify the ability of grass carp to process duckweed and (2) to assess indirect changes in water chemistry and phytoplankton community, caused by grass carp feeding. Yearlings of grass carp sized 126 # 7.7 mm (TL) and 19.6 g in weight were kept in 9 laminate tanks of 1 m3 for 14 days. Two stocking densities (2 and 6 fish per m3) and control without fish were used. Standard growth rate (SGR) of grass carp fed exclusively on duckweed was 0.70 % body weight (BW) d-1 and food conversion ratio (FCR) reached 2.0 (average water temperature = 21.1 # 3.8 °C). Daily food intake was 0.2 g of duckweed dry weight (DW), i.e., 1 % of average BW of grass carp. SGR of duckweed growing in 20 x 20 cm floating enclosures, differedsignificantly [F(6,2) = 417.9; p = 0.002] between the two stocking densities of grass carp and the control tanks (without fish). Mean SGR of duckweed was 0.02 g g-1 day-1 and the highest SGR was recorded in the control tanks. Both decrease in NH4-N and The aims of this experiment were (1) to quantify the ability of grass carp to process duckweed and (2) to assess indirect changes in water chemistry and phytoplankton community, caused by grass carp feeding. Yearlings of grass carp sized 126 # 7.7 mm (TL) and 19.6 g in weight were kept in 9 laminate tanks of 1 m3 for 14 days. Two stocking densities (2 and 6 fish per m3) and control without fish were used. Standard growth rate (SGR) of grass carp fed exclusively on duckweed was 0.70 % body weight (BW) d-1 and food conversion ratio (FCR) reached 2.0 (average water temperature = 21.1 # 3.8 °C). Daily food intake was 0.2 g of duckweed dry weight (DW), i.e., 1 % of average BW of grass carp. SGR of duckweed growing in 20 x 20 cm floating enclosures, differedsignificantly [F(6,2) = 417.9; p = 0.002] between the two stocking densities of grass carp and the control tanks (without fish). Mean SGR of duckweed was 0.02 g g-1 day-1 and the highest SGR was recorded in the control tanks. Both decrease in NH4-N and (en)
Title	Grass carp (Ctenopharyngodon idella) grazing on duckweed (Spirodela polyrhiza). Grass carp (Ctenopharyngodon idella) grazing on duckweed (Spirodela polyrhiza). (en)
skos:prefLabel	Grass carp (Ctenopharyngodon idella) grazing on duckweed (Spirodela polyrhiza). Grass carp (Ctenopharyngodon idella) grazing on duckweed (Spirodela polyrhiza). (en)
skos:notation	RIV/60076658:12220/03:00004893!RIV/2004/MSM/122204/N
http://linked.open.../vavai/riv/strany	325-336
http://linked.open...avai/riv/aktivita	Z
http://linked.open...avai/riv/aktivity	Z(MSM 126100003)
http://linked.open...iv/cisloPeriodika	0
http://linked.open...vai/riv/dodaniDat	2004
http://linked.open...aciTvurceVysledku	Šetlíková, Irena
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Jihočeská univerzita v Českých Budějovicích / Zemědělská fakulta
http://linked.open...dnocenehoVysledku	608498
http://linked.open...ai/riv/idVysledku	RIV/60076658:12220/03:00004893
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Feeding on aquatic plants, Giant duckweed (Spirodela polyrhiza), Grass carp (Ctenopharyngodon idella), Growth rate, Nitrogen, Phosphorus (en)
http://linked.open.../riv/klicoveSlovo	Nitrogen Growth rate Phosphorus Feeding on aquatic plants Giant duckweed (Spirodela polyrhiza) Grass carp (Ctenopharyngodon idella)
http://linked.open...odStatuVydavatele	NL - Nizozemsko
http://linked.open...ontrolniKodProRIV	[1FEF8D2807B4]
http://linked.open...i/riv/nazevZdroje	Aquaculture International
http://linked.open...in/vavai/riv/obor	EH
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	1 (xsd:int)
http://linked.open...ocetUcastnikuAkce	0 (xsd:int)
http://linked.open...nichUcastnikuAkce	0 (xsd:int)
http://linked.open...UplatneniVysledku	2003
http://linked.open...v/svazekPeriodika	11
http://linked.open...iv/tvurceVysledku	Pípalová, Irena
http://linked.open...n/vavai/riv/zamer	http://linked.opendata.cz/resource/domain/vavai/zamer/MSM%20126100003
issn	0967-6120
number of pages	11 (xsd:int)
http://localhost/t...ganizacniJednotka	12220

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