Impact of Aeration on the Growth Performance of Silver Barb,  Puntius gonionotus , during Fingerling Rearing | Zendy

Das Pratap Chandra | Zendy; Jena Joykrushna | Zendy; Mishra Bibhudatta | Zendy; Pati Bikash Kumar | Zendy

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Impact of Aeration on the Growth Performance of Silver Barb, Puntius gonionotus , during Fingerling Rearing

Author(s) -

Das Pratap Chandra,

Jena Joykrushna,

Mishra Bibhudatta,

Pati Bikash Kumar

Publication year - 2012

Publication title -

journal of the world aquaculture society

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.655

H-Index - 60

eISSN - 1749-7345

pISSN - 0893-8849

DOI - 10.1111/j.1749-7345.2011.00541.x

Subject(s) - aeration , stocking , biology , zoology , fishery , ecology

Impact of aeration on growth of silver barb, Puntius gonionotus during fingerling rearing was studied through a 100‐d rearing experiment conducted in 18 concrete tanks of 50 m 2 (10 × 5 × 1.2 m) size. Fry (0.74 ± 0.27 g, 35 ± 6 mm) were stocked in the experimental tanks at three stocking densities (25, 50, and 75 fry/m 2 ) and were evaluated with and without provision of 6 h (2400–0600 h) of night time aeration. Aeration resulted in higher pH and dissolved oxygen regime and increased fingerling length and weight. The results suggest a rearing density of 75/m 2 to be ideal for rearing fry to fingerling of this species when aeration is provided, whereas, under non‐aerated condition, rearing the fry to fingerling stage at 50/m 2 was found advantageous over those at 25 and 75/m 2 .

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