Lallemand Animal Nutrition
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Sep 13, 2016

Lallemand contributes to Aquaculture Chennai-2016 Conference

Sep 13, 2016

Pond and gut microbial management are keys to securing shrimp farming.

Lallemand Animal Nutrition, a primary producer and major supplier of probiotics and yeast derivatives, participated at AQUACULTURE CHENNAI 2016 August 23-24, 2016, in Chennai, India, as Platinum Sponsor and invited speaker.

Sponsorship memento handed to Mr. Goud Dhanunjaya
Sponsorship memento handed to Mr. Goud Dhanunjaya

The theme of the international conference was “Reflect & Restore Tempo of Vannamei Shrimp Farming in India”. It was jointly organized by the World Aquaculture Society – Asia Pacific Chapter and Tamilnadu Fisheries University. Lallemand Animal Nutrition was represented by Goud Dhanunajaya, Technical Sales Manager – South Asia, and Stéphane Ralite, Aquaculture Product Manager.

Ralite delivered a talk on “A novel approach in securing aquaculture production with a synergetic association of yeast extracts,” which highlighted challenges of shrimp farm management and the development of innovative microbial based solutions. At a time of increasing health and pathogen challenges in shrimp farming, this presentation attracted much interest from the audience.

A delicate balance
The conference (Avanti feeds team)Today, shrimp farming is becoming increasingly complex. It is challenged by emerging pathologies (e.g. EMS, EHP, white feces), while environmental pressure and food demand are increasing. Ralite compares pond management to a three-legged stool: “it results from a delicate balance between shrimp physiology (immunity, nutrition, oxidative status and more), water and feed management (microbial and nutrients balance) and pathogen pressure.” He focused the discussion on the microbial management of the pond, possible through biocontrol or bioremediation strategies, and gut microbial management through the use of beneficial bacteria (probiotics) in feed.

Innovative solution

Ralite then described the development of a new yeast-based solution. Thanks to careful strain screening and selection — and the in-depth characterization of yeast fractions, in particular their binding and immune modulation properties — scientists at Lallemand have developed a synergistic alliance of specific strains of inactivated yeast. Called YANG, this new solution was shown to contribute to improving binding capacities, immune modulation and mucus production in fish. Regarding shrimps, scientists conducted in vivo trials in Vietnam during an AHPND (EMS) challenge. Shrimp survival was significantly improved thanks to the yeast derivative. It thus appears that the use of specific microbial solutions in feed, together with environmental management practices and microbial control of the water and pond bottom, can participate to optimize shrimp performance and health during pathogen challenge through the management of microbial ecosystems.

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