Despite high profits, why do shrimp farmers in Nghe An still leave their ponds empty in the winter crop?
Thanh Phuc•DNUM_CFZBBZCACE 06:41
Market demand is high, shrimp prices are high, profits are good, but very few shrimp farmers in Nghe An are bold enough to plant shrimp in this winter crop...
Up to this point, many shrimp farming households in Hoang Mai, Quynh Luu and Dien Chau towns have completed the winter shrimp farming. Photo: Thanh PhucWinter shrimp farming is often risky, but farmers still accept to "gamble with the sky" because if successful, it will bring high profits. Mr. Nguyen Van Su in Quynh Loc commune (Hoang Mai town) has 11 ponds with an area of 2,500m2greenhouses, net houses. However, up to this point, he has only raised 5 ponds. Expected harvest on Tet holiday. Photo: Thanh PhucMost households that raise shrimp in the winter crop have modern ponds with conical roofs, using load-bearing cable frames and 3 layers of nets and nylon covers to help prevent cold and keep warm in the winter, and pond temperature always ensures good growth and development for shrimp. Photo: Thanh Phuc Regular aeration to regulate the water environment is applied by shrimp farmers in the shrimp care process. Photo: Thanh PhucIn addition, when raising shrimp in the winter season, farmers must regularly monitor the growth and development of shrimp, and monitor the pond 24/7 to promptly detect and treat diseases when shrimp are infected. In the photo: Mr. Hung Sam's household - a shrimp pond owner in Quynh Bang commune checks shrimp. Photo: Thanh PhucShrimp nutrition is also of special concern to pond owners. Accordingly, biological products are mixed with standard industrial feed, and waste is treated to meet standards before being discharged into the environment. Photo: Thanh PhucAll farms raise shrimp in greenhouses, and release them into the environment after they reach a good size, carrying out multiple stages of farming. Photo: Thanh PhucHowever, the erratic weather and heavy rains from the beginning of the season have signaled difficulties in shrimp farming this winter. In addition, shrimp diseases are complicated, so in many places, shrimp are infected and die. In the photo: Mr. Van Duc Duong's household in Quynh Dy ward (Hoang Mai town) said that he has released shrimp seeds in 3 ponds, but so far there have been dead shrimp, and they have to be scooped up regularly. Photo: Thanh PhucIn addition, winter shrimp farming results in poorer growth, lower yields and longer farming time. In the photo: Shrimps have been farmed for 60 days, and have only reached a weight of 150 shrimp/kg. Photo: Thanh PhucTherefore, in farming areas, most ponds and lagoons are still empty. Photo: Thanh PhucIn shrimp farming areas in Quynh Dy, Quynh Loc (Hoang Mai town), Quynh Bang, Quynh Thanh (Quynh Luu), Dien Thinh, Dien Trung... (Dien Chau), many shrimp farming ponds are being renovated and treated by people, waiting until after Tet to release the shrimp. Photo: Thanh Phuc
For winter shrimp, farmers often have to face many unfavorable factors, high risks due to complex changes in weather, unusual rain and floods. For shrimp to grow safely and achieve high productivity, farmers apply biosafety technology, raise shrimp in floating tanks, raise shrimp in greenhouses, release them into the environment after reaching a good size, and carry out multi-stage farming. The farming process requires care techniques, when the temperature drops, it is necessary to reduce both the quantity and number of feedings; periodically check environmental factors every day in the morning and afternoon, if the index of environmental factors is outside the appropriate threshold, immediate measures must be taken.
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