Nutrition and feeding

Information relating to nutrition and feeding in aquaculture.

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Videos available: First International Artemia Aquaculture Consortium Conference and Members' Meeting

The first ever IAAC conference was a free half day event held in Ostend, Belgium on 9 September, as a prelude to Larvi 2024, which ran from 9-12 September. The conference featured twelve presentations introducing the IAAC and providing an overview of many of the issues surrounding Artemia, including management of salt lakes habitats that still provide the bulk of global Artemia supplies, Artemia biodiversity, hatching optimisation, and aquaculture of Artemia biomass in tanks and ponds. Video recordings of most will be posted shortly (the programme below will be updated with links). Video recordings of the presentations are now available on the NACA YouTube channel.

The first IAAC Members’ Meeting was held in the afternoon following the IAAC Conference. The proceedings involved two panel discussions, by the Academic Sector and Private Sector respectively. The panels included remote members participating via Zoom.

14th Asian fisheries and Aquaculture Forum: Early bird closes 10 November

The 14th Asian Fisheries and Aquaculture Forum (14AFAF) will be held from 12-15 February 2025 in New Delhi, India. Submission of abstracts has been extended until 5 November, and early bird registration closes on 10 November, so get in quick!

The forum is a scientific meeting organised by the Asian Fisheries Society (AFS) once every three years to understand the global trends and address issues and challenges faced by the fisheries and aquaculture sector. The main purpose of this Forum is to provide an international platform for eminent scientists, young researchers, and other stakeholders across the globe to share their research experiences and innovative ideas. By facilitating the exchange of diverse range of knowledge and expertise, the Forum with the Theme ‘Greening the Blue Growth in Asia-Pacific’ aims to address key issues towards developing sustainable fisheries and aquaculture.

The Grass Carp Aquaculture Manual

This manual covers everything from grass carp's natural distribution and reproductive behaviours to its biology and anatomy. This manual also explores diseases that can affect grass carp and emphasises the crucial connection between animal welfare and stress in fish. With a detailed discussion on cultivation systems, this manual includes pond structures and fish farming techniques in both polyculture and monoculture. It provides practical insights into important aspects such as water quality monitoring, feeding, nutrition, health checks and behaviour assessments at every stage of grass carp farming – from broodstock management to pre-slaughter and slaughter processes. The emphasis is on responsible harvesting techniques, transportation considerations and humane slaughter methods. This manual offers a comprehensive guide for both novice and experienced fish farmers, and enthusiasts interested in cultivating grass carp sustainably and ensuring optimal animal welfare.

WAS Journal Special Issue: Global Conference on Aquaculture Millennium +20 Thematic Reviews

Eight thematic reviews prepared as preparation for the Global Conference on Aquaculture Millennium +20 (GCA +20) have been published in a Special Issue of the Journal of the World Aquaculture Society "Aquaculture for Food and Sustainable Development". A group of experts prepared advanced working drafts of each thematic review and the key findings from each theme were presented and discussed by expert panels during the GCA +20. Participants were then invited to provide their feedback and perspectives on the reviews and their key messages for consideration in finalisation of the papers. The reviews are available for free download.

7th International Symposium on Cage Aquaculture in Asia (2nd announcement)

CAA7 will be held in Hainan, China, from 29 November to 2 December, with an option for online participation via Zoom for people that cannot attend in person. The theme of the symposium is "Sustainable development of cage aquaculture in Asia". Sessions will be held on: Production systems; breeding and seed production; nutrition and feed; carbon sink and fouling organisms; health and environmental management; economics, gender, livelihood and policy.

The symposium is organised by the Asian Fisheries Society, Hainan University, Shanghai Ocean University, and the China-ASEAN "Belt and Road" Joint Laboratory of Mariculture Technology, Center for Ecological Aquaculture.

Aquaculture Asia Magazine, July-September 2023

In this issue:

  • Pathway to aquaculture biosecurity: Mitigating risks, managing progressively and engaging the value chain
  • Important considerations for feed and feeding management during Indian catfish culture
  • A transitional journey from fisheries to aquaculture in Moyna
  • Colour widow tetra: A new and highly preferred aquarium fish in West Bengal
  • Expanding the horizon of aquaculture through women's empowerment
  • NACA Newsletter

Important considerations for feed and feeding management during Indian catfish culture

Natural feeds present in ponds contribute to some extent to the nutrition of fish cultured therein. But these natural food stocks become insufficient as production intensity rises. In semi-intensive and intensive systems, nutritional inputs must be partly or wholly supplemented using external feeds to support higher growth and productivity. Good quality feed is essential to achieve higher production. The selection of proper feedstuff and good formulation to meet the requirements of the cultured species will enhance acceptance and utilisation. This article discusses feed preparation, ration size, feeding rate, feed distribution and feeding schedules for culture of Indian catfishes.

Shrimp Summit, 24-26 July, Ho Chi Minh City, Vietnam

The 2023 Shrimp Summit will convene the global seafood value chain to address the critical challlenges of Asia’s shrimp-farming sector, from stagnant production to growers’ livelihoods, with a cross-topic focus on sustainability and climate change. The Summit is presented by The Center for Responsible Seafood (TCRS) and co-hosted by the Global Seafood Alliance. The format of the 2023 Shrimp Summit will allow the industry to develop a common understanding of issues, address key challenges through discussion and work toward consensus and actionable solutions. This in-person and virtual event will feature discussions, relevant content and informative webinars before, during and after the event in the TCRS Online Community. Access to the online community is included with event registration.

13th Asia-Pacific Marine Biotechnology Conference, 2-6 October 2023, Australia

The 13th APMBC and 5th ANZMBS conference are combining to engage marine biotechnologists, industry, investors, and policy makers in current marine biotechnology research, and industry development in the Asia-Pacific region. The conference will be held from 2-6 October 2023 in Adelaide, Australia. This provides a great opportunity to participate in the growth and future development of the marine biotechnology industry in the region and globally. A key objective of the joint Conference is to encourage academic-industry partnerships across the region. Abstract submissions and early bird registrations are now open!

Information for farmers on yellow tail catfish, Pangasius pangasius, for easier captive production

The yellow tail catfish Pangasius pangasius is found throughout the rivers of the Indian subcontinent. A large, omnivorous, and highly fecund species, it is suitable for aquaculture. Initial work on captive breeding of yellow tail catfish was carried out by scientists from the ICAR-Central Institute of Freshwater Aquaculture in the early 1990's. This article provides updated information on captive reproduction, larval rearing and nusery techniques for this species, which will be of use for farmers and entrepreneurs interested in producing it.