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QUANG NINH Rather than having to “overwinter”, cold-tolerant shrimp varieties combined with new breeding techniques will help northern shrimp farmers grow high-quality winter shrimp crops.

In 2022, Viet-Australia Quang Ninh Co., Ltd. successfully brought cold-resistant shrimp varieties onto the market and promises farmers a pusher shrimp season in winter.

Quang Ninh has typical climate characteristics of the northern mountainous region with distinctly different seasons and very low temperatures in winter. This characteristic makes shrimp farming very difficult in winter, as shrimp grow slowly above a temperature threshold of 20 degrees Celsius, eat less and reduce their resistance. At a temperature of 16 degrees Celsius or lower, shrimp can stop eating completely, become exhausted and die of starvation and cold. Therefore, winter shrimp farming always has many potential risks and losses.

At that time, shrimp farmers in Quang Ninh sowed to grow winter crops. One of the advantages of this year’s shrimp farming season is that Vietnam – Australia Quang Ninh Co., Ltd (Tan Lap Municipality, Dam Ha District) has successfully produced cold-resistant shrimp seeds.

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Through rigorous research and testing, Viet-Australian Quang Ninh Company launched a new cold hardy shrimp seed in 2022. Picture: Nguyen Thanh.

It is known that Viet Uc – Quang Ninh Co.,Ltd. is a pioneer in investing in the project of high-tech shrimp farming complex in Dam Ha District, together with international standard laboratories to meet strict requirements for the production of high-quality seeds.

According to a representative of Viet Uc – Quang Ninh Co., Ltd. From the beginning, the company’s shrimp seeds focused on viability, survivability, resistance, fertility… in line with the production needs, production and characteristics of local soil and climate.

In particular, the ability to adapt well to low temperature and salinity conditions is always interested in research to further improve this property. Through the multiple selection process, Viet-Australia Quang Ninh Co., Ltd. in turn found the broodstock individuals carrying the dominant gene for cold tolerance, took that gene code for breeding work, and then underwent the generation-to-generation breeding process. The ultimate goal is to perfect the production process of the most dominant cold-tolerant shrimp and ensure winter growth and development.

Unlike ordinary shrimp seed, cold-resistant shrimp require adaptation to the environment of air, water, temperature, salinity, pH…characteristic of the cold and long winter in Quang Ninh in particular and other regions of northern provinces in general.

It is known that although winter shrimp is difficult to raise, the price can be 2-3 times higher than the previous harvest. With attractive profits, many shrimp farming households in Quang Ninh have adopted winter farming methods and focused on investing in infrastructure and equipment to control the aquatic environment and heat in the ponds.

Mr. Vu Dinh Quyen (Cam Pha City) said that in the winter of 2021, the model of shrimp farming in a canvas house, the application of high technology to control the temperature as well as the water environment helped him become one of the few. Households with commercial shrimp at that time. This winter, Mr. Quyen is hoping for a good shrimp harvest with the successfully researched cold-tolerant shrimp varieties.

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High-tech shrimp farming model by Mr. Vu Dinh Quyen (Cam Pha City, Quang Ninh). Picture: Nguyen Thanh.

With technical solutions combined with cold-resistant shrimp varieties, provincial shrimp farmers can maintain effective year-round operations instead of having to go on a “winter break”, saving some of the initial cost. The source of labor and year-round income for the farm are also guaranteed to be stable. This will also help further improve the production and value of the shrimp industry in Quang Ninh Province.

At present, shrimp is the main agricultural item of Quang Ninh. In 2022, Quang Ninh set a target of 25,000 tons of farmed shrimp for the first time. At this time, the province has reached almost 80% with about 19,000 tons of shrimp. The target in the fourth quarter of 2022 is winter shrimp with an output of around 7,000 tons.

Vietnam – Australia is a leader in shrimp seed production in the country with a chain of shrimp seed centers stretching from north to south. With a system of advanced equipment and technology, Vietnam-Australia has brought tens of billions of high-quality shrimp seeds to the market over the years. Quang Ninh Viet – Australia Co., Ltd aims to produce 2 billion shrimp seeds by the end of December 2022, thereby contributing to the growth of Dat Mine’s shrimp industry.



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