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Feeding and feed management of Indian major carps in Andhra Pradesh, India










Ramakrishna, R.; Shipton, T.A.; Hasan, M.R. 2013. Feeding and feed management of Indian major carps in Andhra Pradesh, India. FAO Fisheries and Aquaculture Technical Paper No. 578. Rome, FAO. 90 pp.


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    Collectively carps represent the largest global aquaculture sector, contributing over 20 percent of global aquaculture production. The Indian major carps including catla (Catla catla), rohu (Labeo rohita) and mrigal (Cirhinnus mrigala) are cultured widely across the Indian sub-continent with the main culture system being a multi-species polyculture in ponds, often including other carp species such as common carp (Cyprinus carpio). This production sector is supported by major seed supply systems producing over 50 billion seed per annum. This case study analyses genetic management of Indian major carps since they were first domesticated with the development of hypophysation techniques in the 1950s. A review of literature and a survey of common hatchery practices identifies significant problems prevalent in the sector brought about by a lack of application of best practices in genetic management resulting in loss of genetic diversity, inbreeding and uncontrolled hybrid introgression. These practices are likely to be impacting negatively on the productivity of the cultured farmed types and will represent a significant challenge to the sector in the long term. This case study identifies some of the root causes of poor genetic management and identifies some of the practices that could bring about an improvement in hatchery management to ensure more sustainable use of these globally important aquaculture species.
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    Brochure, flyer, fact-sheet
    Genetic management of Indian major carps 2022
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    Aquaculture has emerged as a prominent sector contributing to global nutritional security. It has been recording a growth rate of over 5 percent per year in recent decades. Asia contributes nearly 90 percent of global aquaculture production. Indian major carps (IMCs), cultured primarily in polyculture, are the dominant farmed species in South Asia, with 75 percent produced in India. The majority of this output comes from three species of IMCs: catla (Catla catla), rohu (Labeo rohita) and (Cirrhinus mrigala). These three species occupy mutually compatible ecological niches within water bodies and are grown together in specific ratios; this optimally harnesses pond biological resources. The IMCs are consumed domestically and are a key to national nutritional security.
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    On-farm feeding and feed management in aquaculture 2013
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    This technical paper provides a comprehensive review of on-farm feeding and feed management practices in aquaculture. It comprises of a) ten case studies on feeding and feed management practices carried out in seven selected countries of Asia and Africa for eight species that belong to four major farmed species of freshwater finfish and shellfish; b) an analysis of the findings of the above ten case studies and a separately published case study for Indian major carps carried out in India; c) ten invited specialist reviews on feed management practices from regional and global perspectives; and d) an overview of the current status of feed management practices. The country-specific case studies were carried out for Nile tilapia (Oreochromis niloticus) in China, Thailand, the Philippines, Egypt and Ghana; Indian major carps [rohu (Labeo rohita), catla (Catla catla) and mrigal (Cirrhinus cirrhosus)] in India and Bangladesh, giant river prawns (Macrobrachium rosenbergii) in Bangladesh, strip ed catfish (Pangasianodon hypophthalmus) and whiteleg shrimp (Litopenaeus vannamei) in Viet Nam and black tiger shrimp (Penaeus monodon) in India. The broad thematic areas that were addressed in these case studies and invited reviews are: i) current feed types (including fertilizers) and their use in semi-intensive and intensive farming systems; ii) on-farm feed production and management; iii) feeding and feed management strategies, feed procurement, transportation and storage; iv) environmental , economic, regulatory and legal frameworks of feeding and feed management practices; and iv) identification of research needs. Based on the information presented in the eleven case studies, ten specialist reviews and from other relevant publications, an overview paper presents concluding remarks and recommendations on some of the major issues and constraints in optimizing feed production, use and management.

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