Turtle Shrimp Notes

In order to save energy, soft-shelled turtle farmers have adopted a hybrid cultivation model that combines greenhouse and pond systems. Young turtles are raised in greenhouses where stocking density is high and heating costs are relatively low. Once the water temperature in the outer pond rises, the turtles are moved from the greenhouse to the pond, creating a highly efficient and scientific breeding system. However, improper handling during this transition can lead to significant mortality. One of the main causes is the large temperature difference between the greenhouse and the outer pond, which the turtles struggle to adapt to, leading to stress, illness, and death. Another factor is that some turtles may already be weak or sick before being transferred. The sudden change in environment can worsen their condition, resulting in mass deaths. Additionally, the outer ponds often contain harmful pathogens in the mud, which can cause infections if not properly managed. To ensure a smooth and safe transfer, several key steps should be followed: First, it's essential to thoroughly clean and disinfect the outer pond before introducing the turtles. Any toxic sludge or harmful microorganisms must be removed. This can be done by draining the water as much as possible, turning the soil into ridges, and exposing it to sunlight for an extended period. The UV rays in sunlight help kill pathogens, while repeated exposure of the soil further reduces contamination. For added effectiveness, lime water can be sprinkled on the pond for the first nine days, followed by a seven-day waiting period before refilling with water. Testing the water quality ensures it's safe for the turtles before they are moved. Second, the water level in the outer pond should not be too deep. It's important to use natural sunlight to gradually raise the water temperature. When the pond reaches around 25°C, the turtles can be considered for transfer. Before moving them, the temperature in the greenhouse should be slowly reduced to match the outdoor temperature. Only when the temperature difference is within 2°C should the transfer take place, allowing the turtles to acclimate more easily. Third, before placing the turtles into the pond, they should be soaked in a potassium permanganate solution for about ten minutes to disinfect them. Afterward, the turtles should be placed at the edge of the feeding area so they can climb into the water on their own, reducing stress during the transition. Fourth, a week before the transfer, it's recommended to boost the turtles' nutrition and add disease-prevention supplements to their feed. High-quality feed combined with ingredients like egg yolks and liver can improve their health. Medications such as compound vitamins, vitamin C, ciprofloxacin, Banlangen, and honeysuckle can also be added. Vitamin C, in particular, helps with wound healing and prevents inflammation, making it especially important during the handling process. Lastly, only healthy turtles should be moved to the outer pond. A healthy turtle will show quick responses and eat vigorously. Farmers should avoid transferring turtles just because others have done so. Each turtle should be assessed individually based on its behavior and physical condition. If a turtle shows signs of sluggishness, poor appetite, or visible illness, it should be treated before being moved to the pond. This careful approach ensures better survival rates and long-term success in the outdoor environment.

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