Seasonal variation in food and feeding habit of Indian major carp (Labeo rohita Ham.1822) in Vallabhsagar reservoir, Gujarat
Journal Title: Journal of Applied and Natural Science - Year 2017, Vol 9, Issue 2
Abstract
The gut content analysis provides the information on food components and feeding habit of fish which is an important aspect for fisheries management. In present study, the qualitative and quantitative analysis of gut content of Indian major carp rohu (Labeo rohita Ham. 1822) from Vallabhsagar reservoir (Gujarat), were conducted during June 2013 to May 2014. The results on gut content shows that qualitative changes in food component were not found but quantitative changes were observed during the study period. In the gut of fish, food contents i.e. phytoplankton (32.52 %), plant materials (25.07 %), Insects (13.39 %), decay matter (13.39 %) and zooplankton (11.42 %) were observed. The quantitative changes of food contents were also verified by the analysis of gasrosomatic index (GaSI) and it was maximum (5.582 ± 0.106) during post breeding season and minimum (3.589 ± 0.150) during breeding season as fish feeds voraciously to compensate the energy loss due to sexual maturity. On the basis of these results, it was concluded that studied fish (rohu) was herbivorous and mainly fed on phytoplankton and plant materials.
Authors and Affiliations
Nandita Soni, N. C. Ujjania
Keywords
Related Articles
- EP ID EP286553
- DOI 10.31018/jans.v9i2.1289
- Views 56
- Downloads 0
Composition, productivity and impact of grazing on the biodiversity of a grazing land in Almora District
Biodiversity of Almora district is heavily affected in the areas with heavy grazing pressure, although moderate grazing enhanced the biodiversity of the area. In the present study site a total of 45 herbaceous species we...
Impact of foliar application of potassium and its spray schedule on yield and quality of sweet orange (Citrus sinensis) cv. Jaffa
A field study was undertaken to extrapolate the impact of foliar application of potash and its spray schedule on yield and physical and chemical parameters of sweet orange cv. Jaffa at experimental orchard, Department of...
Impact of overgrazing and documentation of wild fodder plants used by Gujjar and Bakerwal Tribes of district Rajouri (J&K), India
The present study aims to documents the wild plants used as fodder by Gujjar and Bakarwal tribes and their impact of utilization and overgrazing in the forests of district Rajouri (J&K), India. During the study period tw...
Dental unit water lines: The infectious sources of Pseudomonas aeruginosa
Water quality in the dental unit water lines (DUWLs) is important to the patients and dental healthcare personnel as they are at risk of being infected with Pseudomonas aeruginosa. The aim of the present study was to det...
Antibacterial activity of endophytic fungi from some medicinal plants of Biligirirangana hill, India
Twenty fungal endophytes were isolated from different medicinal plants of Biligirirangana Hill, Chamarajanagar dist. Phytochemical analysis of ethyl acetate extract showed posi-tive results for tanins, flavonoids, steroi...