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India: Fishing for better returns: Taking technology to shrimp farmers January 24,2020   |  Source: The Economic Times

Whenever Sreeram Raavi visited his village in Guntur district of Andhra Pradesh, he used to hear a constant complaint — shrimp yields were inconsistent, friends and relatives would say. This prompted Raavi, a software engineer who has designed semiconductor solutions for high-speed broadband, to find a solution to their problem. Very often, shrimp farmers could not correctly estimate the volume of shrimp in a pond and so could not give the right amount of feed, he found. “In some cases, the miss (in estimating the volume of shrimp and the feed needed) was as much as 20-50%,” the founder of Eruvaka Technologies said. So, Raavi went about building hardware and software to address the challenges. In about 1,000 hectares (ha) of shrimp farms spread across Surat, Goa, Andhra Pradesh and Pondicherry, Eruvaka’s products have been installed.

These include a feeder that dishes out feed based on the volume of shrimps in a pond and an underwater acoustics-based device -- ShrimpTalk -- that listens to the noise from shrimps to estimate their appetite and hunger. Eruvaka also has a device that measures the pH level (level of alkalis or acids) in water, to ensure that shrimps get the right amount of dissolved oxygen needed for their survival. The entire data is fed on a Cloudbased

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Years in Support of Small Scale Fishworkers (1986 - 2018)