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Title: | Early weaning of Asian stinging catfish, Heteropneustes fossilis (Bloch) larvae. |
Other Titles: | Not Available |
Authors: | Kumar A, Pradhan PK, Mohindra V, Tiwari VK, Chadha NK, Sood N |
ICAR Data Use Licennce: | http://krishi.icar.gov.in/PDF/ICAR_Data_Use_Licence.pdf |
Author's Affiliated institute: | ICAR: Central Institute of Fisheries Education |
Published/ Complete Date: | 2021-07-15 |
Project Code: | Not Available |
Keywords: | Feeding strategies, Growth, Heteropneustes fossilis, Survival. |
Publisher: | Research Gate |
Citation: | Not Available |
Series/Report no.: | Not Available; |
Abstract/Description: | Background: Heteropneustes fossilis commonly known as stinging catfish is a popular indigenous fish of the Indian sub-continent.The species has a high consumer demand because of its tender flesh, low fat and high iron content, and is recommended foranaemic patients. Although the species has high consumer preference and potential for commercial aquaculture but, high mortalityof larvae and difficulties in accepting compound diet during larviculture are some of the major bottlenecks. Keeping this in mind, thepresent study was designed to determine the earliest age at which stinging catfish can be weaned to an artificial diet. The informationgenerated from the present study would be very helpful in improving survival during larval rearing.Methods: The larvae were randomly distributed @ 60 larvae/ tank in 21 circular FRP tanks containing 30 L water each and thefeeding experiment started at 2 dph. Seven different feeding strategies depending on the type of food (zooplankton, Artemia nauplii,or microdiet) and the age at which those food items were provided to larvae, were evaluated.Result: The results indicated that larvae survival in the groups weaned after 5 days post hatch (dph) was similar to that of those fedsolely with Artemia nauplii and zooplankton, although growth of larvae in the weaned groups was less. As larval growth can becompensated at later stages of the rearing process, therefore, larval survival is considered as one of the most important parametersfor evaluating the weaning success. Based on the present findings, it is suggested to rear stinging catfish larvae with zooplanktonwithout dependence upon costly Artemia nauplii, and larvae may be weaned to artificial diet after 5 dph. The findings would be veryhelpful for improving larval rearing of this indigenous catfish species in Indian rural areas. |
Description: | Not Available |
ISSN: | Not Available |
Type(s) of content: | Research Paper |
Sponsors: | Not Available |
Language: | English |
Name of Journal: | Indian Journal of Animal Research |
Journal Type: | Indian |
NAAS Rating: | 6.44 |
Impact Factor: | 0.48 |
Volume No.: | Not Available |
Page Number: | Not Available |
Name of the Division/Regional Station: | Not Available |
Source, DOI or any other URL: | Not Available |
URI: | http://krishi.icar.gov.in/jspui/handle/123456789/73308 |
Appears in Collections: | FS-CIFE-Publication |
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