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Study on the Optimum Mixed Culture Density of Silver Carp for High Production and High Efficiency Culture Mode of Yellow Catfish(Pelteobagrus fulvidraco)(PDF)

南京师范大学学报(工程技术版)[ISSN:1006-6977/CN:61-1281/TN]

Issue:
2009年01期
Page:
78-83
Research Field:
Publishing date:

Info

Title:
Study on the Optimum Mixed Culture Density of Silver Carp for High Production and High Efficiency Culture Mode of Yellow Catfish(Pelteobagrus fulvidraco)
Author(s):
Qin QinCai YongxiangWang MinghuaTang ShengkaiPeng GangBian Wenji
Freshwater Fisheries Research Institute of Jiangsu Province,Nanjing 210017,China
Keywords:
ye llow catfish ( Pelteobagrus fulv idraco) silver carp w ater quality control high production and h igh eff-i c iency culturem ode
PACS:
S965.1
DOI:
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Abstract:
To investigate the optimum m ixed culture density of silver carp fo r high production and h igh e fficiency cu lture m ode of y ellow catfish ( Pe lteobag rus fu lv idraco), a tria l on app lication o f silver ca rp to water quality con tro l o f ye llow ca tfish culture pond w as carried out. Insta lled 6 enclosures ( 3 m x 9m x 11 7m ) in yellow ca tfish culture pond, and the rich w ater of y ellow catfish cu lturew as introduced. The first enclosure was contro l g roup, wh ich had no fish stock ing and ba it casting. Stocked 25.70 g /m2 silver ca rp in the second enclosure w ith no ba it casting. In the th ird to sixth enclosures, stocked 0、51. 85、105. 19、150 g /m2 silve r carp separa tely and cultured 418 ind. /m2 ye llow catfish w ith bait cas-t ing. The average size of ye llow catfish and s ilve r carp w ere 13.7± 0.8 g and 157. 0 ± 815 g. Zoop lankton( ind. /L), Phytoplankton( m g /L) , Ch la. ( Lg /L), SD( cm ), CODMn ( mg /L), TN ( m g /L), TP( m g /L) and som e o ther index es w ere detec ted, su rv iva l rate and ha rvest y ield were co llected as we l.l It can be concluded tha t: The cu lture m ode, in wh ich 418 ind. /m2 ye llow catfish and 105.19 g /m2 silver carp were stocked toge ther, w as eco log ica l env ironment be tter and farm ing yie ld higher, as thew ate r qua lity indexes on Ch la. , SD, TN, TP, CODMn o f its had no sign ificant d ifferences w ith those of the contro l group(P > 0.05), and the silver carp biom ass of inc rease and the surv iv a,l w e ight ga in ra tes o f yellow catfish of its w ere highest am ong four m ixed culturem odes.

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Last Update: 2013-04-23