Effects of aflatoxin B1 on reproductive performance of farmed Nile tilapia

This study evaluated the effect of dietary aflatoxin B1 (AFB1) on growth, milt and egg quality in matured Nile tilapia (Oreochromis niloticus). Triplicate groups of Nile tilapia (initial body weight 24.1 ± 2.6 g) were fed with either of four diets (Diets 1 to 4) designed to contain 0, 20, 200 and 2000 μg AFB1 kg−1 diets for 24 weeks. After 24 weeks of AFB1 exposure, growth was significantly (P <0.05) different between the control and the AFB1 exposed treatments in both sexes.

Better management practices manual for smallholders farming tilapia in pond-based systems in Zambia

Tilapia is one of the most popular fish species for farming and is second in terms of volume after carps. WorldFish has been working for decades on fish genetic improvement and dissemination activities across Asia and Africa. Building on this knowledge, the WorldFish Strategy (2017–2022) and CGIAR Research Program on Fish Agri-Food Systems (FISH) (2017–2022) are providing a combination of support to accelerate fish breeding, and improvement programs and increasing the impact of dissemination of improved fish breeds.

Tilapia major clinical signs (Odia version)

The purpose of this poster is to enhance the capacity of hatcheries, nurseries, grow-out farmers and extension service providers to recognize and report tilapia diseases. Prevention, early recognition, diagnosis and rapid intervention are the best steps to manage aquatic animal diseases. If you observe clinical signs, abnormal behaviour and unusual mortality, contact your local aquaculture health professionals to report and ask for support.
 

Fish trait preferences: a review of existing knowledge and implications for breeding programmes

Continued growth of the aquaculture sector will rely on the availability of fish with traits that respond to the needs and preferences of these users along the value chain. Such trait responsiveness requires that fish breeding programmes have reliable knowledge of these users&rsquo; trait preferences. The present study found from a non-systematic literature review, that no fish breeding programme had reported user preference in their product-profile design.

Tilapia major clinical signs (Khmer version)

The purpose of this poster is to enhance the capacity of hatcheries, nurseries, grow-out farmers and extension service providers to recognize and report tilapia diseases. Prevention, early recognition, diagnosis and rapid intervention are the best steps to manage aquatic animal diseases. If you observe clinical signs, abnormal behaviour and unusual mortality, contact your local aquaculture health professionals to report and ask for support.

Biosecurity in tilapia production

A presentation given at The World Organisation for Animal Health (OIE) held the 4th Global Conference on Aquatic Animal Health from 2 to 4 April 2019, in Santiago, Chile. Tilapia is very important for food and nutrition security, livelihoods and income for rural households in Asia and Africa. Importance attached to biosecurity and health management must be at the same level as for shrimps and salmon. This calls for a massive change in the way farmers, researchers and policy makers treat carps and tilapia with respect to overall biosecurity and health management.

Typology of interventions aiming to reduce antimicrobial use (AMU) in aquaculture systems in low and middle-income countries

This poster aims to conduct a typology analysis of interventions to reduce antimicrobial use (AMU) in aquaculture systems of low and Aim middle income countries and provide an overview of the policy landscape affecting AMU. Poster presented at the Second international conference - Quantification, Benchmarking and Stewardship of Veterinary Antimicrobial Usage, held in Bern, Switzerland from 2-3 July 2019.

Assessment of the impact of dissemination of genetically improved Abbassa Nile tilapia strain (GIANT-G9) versus commercial strains in some Egyptian governorates

WorldFish initiated a selective breeding program in Abbassa--Egypt to develop and produce the genetically improved Nile tilapia strain known as “Genetically Improved Abbassa Nile tilapia (GIANT)”, adopting the same technology used for the Genetically Improved Farmed Tilapia (GIFT), in Asia. WorldFish provided the Ninth Generation (G9) broodstock of the GIANT to 11 Broodstock Multiplication Centers (BMC’s) in five governorates; these centres then disseminated improved mixed-sex fry to 160 tilapia hatcheries which supplied all-male fry to 1,500 fish farms in 2017.

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