Studies on fertilization and feeding system of fish ponds utilizing agricultural residues

2010 Fiscal Year Final Research Report

• Project/Area Number: 20780134
• Research Category: Grant-in-Aid for Young Scientists (B)
• Allocation Type: Single-year Grants
• Research Field: General fisheries
• Research Institution: Tokai University
• Principal Investigator: YOSHIKAWA Takashi Tokai University, 海洋学部, 講師 (80399104)
• Project Period (FY): 2008 – 2010
• Keywords: 養殖 / 施肥 / 植物プランクトン / 農業廃棄物 / 米糠 / 餌料環境 / 安定同位体 / ベントス

Research Abstract

Fertilization and feeding system of fish ponds was investigated. As a result, tilapia production was supported not only by planktonic production but also by benthic production. Benthic production was supported by both planktonic process and input of agricultural residues.

Research Products

• [Journal Article] A Laotian strain of the rotifer Brachionus angularis holds promise as a food source for small-mouthed larvae of freshwater fish in aquaculture. (2011)
  • Author(s): Yuka Ogata, Yuri Tokuea, Takashi Yoshikawa, Atsushi Hagiwara, Hisashi Kurokura.
  • Journal Title: Aquaculture. 312巻 Pages: 72-76
  • Peer Reviewed
• [Presentation] Studies on Fish Productivity and Food-Web Structure in Aquaculture Ponds. Seminar on the Achievements of AQIP 2 (2009)
  • Author(s): Yoshikawa, T.
  • Organizer: Aquaculture Improvement and Extension Project Phase 2
  • Place of Presentation: Vientiane, Laos
  • Year and Date: 20091001-20091002
• [Presentation] Report on the larval rearing of "Puntius". Larvae were fed successively with cultured local rotifer as initial food. Seminar on the Achievements of AQIP 2 (2009)
  • Author(s): Ogata, Y., Yoshikawa, T., Kurokura, H.
  • Organizer: Aquaculture Improvement and Extension Project Phase 2
  • Place of Presentation: Vientiane, Laos
  • Year and Date: 20091001-20091002
• [Presentation] Growth and feeding habits of hybrid tilapia, Oreochromis niloticus×O.mossambicus×O.aureus, fed on rice bran in fertilized ponds in Lao PDR. (2008)
  • Author(s): Yoshikawa, T., Torikai, E., Sano, K., Chagi, H., Eda, H., Kurokura, H.
  • Organizer: 5th World Fisheries Congress:Fisheries for Global Welfare and Environmental Conservation
  • Place of Presentation: Yokohama
  • Year and Date: 2008-10-24
• [Presentation] ラオスにおける農業廃棄物を利用した養殖ティラピアの餌料解析 (2008)
  • Author(s): 吉川尚, 鳥飼恵美子, 佐野幸輔, 茶木博之, 枝浩樹, 黒倉寿
  • Organizer: 東京大学海洋研究所国際沿岸海洋研究センター研究集会;水圏生態系の生産力に関わる研究の現状と展望
  • Place of Presentation: 岩手県下閉伊郡大槌町
  • Year and Date: 2008-08-22