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Title: | Effect of moisture and temperature on the extrudate properties of milkfish (Chanos chanos) feed |
Other Titles: | Not Available |
Authors: | Syed Raffic K. Ambasankar Balachandran S Ramchandran K |
ICAR Data Use Licennce: | http://krishi.icar.gov.in/PDF/ICAR_Data_Use_Licence.pdf |
Author's Affiliated institute: | ICAR::Central Institute of Brackishwater Aquaculture |
Published/ Complete Date: | 2020-01-01 |
Project Code: | Not Available |
Keywords: | Extrusion Feed Characteristics Milkfish Moisture Temperature |
Publisher: | Not Available |
Citation: | Not Available |
Series/Report no.: | Not Available; |
Abstract/Description: | The present study evaluated the effect of varying levels of moisture and temperature on the extrudate properties of the milkfish (Chanos chanos) feed containing 31.49% protein and 4.71% lipid. Two trials were conducted in a pilot scale twin screw extruder using 3 mm die. In the first trial, the effect of temperature on extrudate properties was studied at five different temperatures viz., 80-90, 90-100, 100-110, 110-120 and 120-130ºC. The results revealed that the temperature levels of 100-110, 110-120 and 120-130ºC resulted in signifcantly (p<0.05) lower bulk density (BD) of the extrudate than at 80-90 and 90-100ºC. Signifcantly (p<0.05) lower water solubility index (WSI) was recorded at 100-110ºC, while further increase in temperature failed to show further reduction in water solubility. The pellet durability index (PDI) and expansion ratio (ER) showed a non-signifcant difference among the extrudate at 100-110, 110-120 and 120-130ºC. In the second trial, the effect of additional moisture on the extrudate was evaluated by including water at 20, 25, 30 and 35% and the results revealed that 30% moisture addition resulted in signifcantly (p<0.05) lower BD, WSI and PDI of the extrudate than the other levels. The highest moisture level of 35% led to diffculty in operation while the lower levels from 25% failed to produce foating pellets. Results of this study infers that 30% moisture addition and a temperature of 100-110ºC is optimal for production of water stable foating milkfish feeds |
Description: | Not Available |
ISSN: | Not Available |
Type(s) of content: | Article |
Sponsors: | Not Available |
Language: | English |
Name of Journal: | Indian Journal of Fisheries |
NAAS Rating: | 6.29 |
Volume No.: | 66(4) |
Page Number: | 112-117 |
Name of the Division/Regional Station: | Not Available |
Source, DOI or any other URL: | 10.21077/ijf.2019.66.4.75758-14 |
URI: | http://krishi.icar.gov.in/jspui/handle/123456789/41958 |
Appears in Collections: | FS-CIBA-Publication |
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