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Bacterial abundance in modified extensive and semi-intensive shrimp culture <span style="font-size:14.0pt;line-height:115%;font-family:"Times New Roman"; mso-fareast-font-family:"Times New Roman";color:black;mso-ansi-language:EN-IN; mso-fareast-language:EN-IN;mso-bidi-language:HI" lang="EN-IN">ponds of <i>Penaeus monodon</i></span>

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Title Bacterial abundance in modified extensive and semi-intensive shrimp culture ponds of Penaeus monodon
 
Creator Janakiram, P
Jayasree, L
Madhvi, R
 
Description 319-323
A study was carried out to analyse the bacterial abundance in the
brackishwater culture ponds of Penaeus monodon situated along coastal
Andhra Pradesh (India).
The physico-chemical characteristics of the pond water and the bacterial counts
of pond water, pond sediment and muscle and hepatopancreas (HP) of the shrimps
were estimated at intervals of 15 days for one crop cycle during 1996.
The physico-chemical characteristics of the pond water in all the ponds were
within normal limits. The semi-intensive ponds recorded higher bacterial
loads as compared to modified-extensive ponds. In pond water, the
bacterial loads fluctuated erratically, and showed no definite trend with the
progress of culture period. The pond sediment with its high organic load
recorded higher values than pond water and demonstrated a general trend of
increase of bacterial load with the progress of the culture. The
bacterial load in HP of shrimp was found to be higher than that in muscle and
both showed an increasing trend with shrimp age but the overall load remained within
the safe level. The high bacterial loads noted in semi-intensive ponds prior to
crop harvest are found to be associated with poor water quality, exaggerated by
low D.O. , high ammonia, algal blooms and high organic content in the bottom.
Relationship could not be found between water quality parameters and the
bacterial load in the pond water and also there was no relationship between the
bacterial load of shrimp and that of the pond environment.
 
Date 2014-01-13T05:08:16Z
2014-01-13T05:08:16Z
2000-12
 
Type Article
 
Identifier 0975-1033 (Online); 0379-5136 (Print)
http://hdl.handle.net/123456789/25491
 
Language en_US
 
Rights CC Attribution-Noncommercial-No Derivative Works 2.5 India
 
Publisher NISCAIR-CSIR, India
 
Source IJMS Vol.29(4) [December 2000]