The ditch-growing frog, also known as a semi-manual frog, can be collected and hatched from pupae to frogs by moving them uphill. With the help of some artificial methods, the survival rate of the young frogs can be significantly improved. Once they are released into the forest and allowed to forage freely, their growth becomes a natural process. This article uses the example of ditch farming and frog cultivation to explore seven key areas that farmers should pay attention to. By following these guidelines, farmers can avoid unnecessary mistakes, maximize the survival rate of young frogs, and ultimately achieve better economic returns.
1. Ensure sufficient water in the hatching pool
During dry seasons, especially in spring, it's common for water sources to be unreliable. To prevent the pond from drying out, dig a deep pit in the center of the hatching area, creating a funnel-like shape. When water levels drop, the young frogs can retreat to the deep water pit, avoiding dehydration. It is essential to check the hatching pool daily and refill it as needed.
2. Monitor stocking density carefully
In the early stages of hatching, the number of frogs per square meter should not exceed 4,000. Overcrowding can lead to stress and disease. If the density becomes too high, some frogs should be moved to other pools. As the frogs grow older, the stocking density should gradually decrease.
3. Control natural predators
Before entering the forest, crickets face threats from birds, snakes, and rats. Ducks are a major predator for young frogs. During this time, it's crucial to protect the hatching pools by sealing any holes where snakes or rats might enter. Effective measures such as snake traps and rat control should be implemented, and wild ducks should be kept away.
4. Prevent diseases
Red leg disease is one of the most common illnesses among forest frogs. If infected frogs are detected, they should be isolated and placed in a pool with a 5% potassium permanganate solution for 24 hours. Afterward, they can be returned to a clean, normal pool.
5. Choose safe routes when moving frogs uphill
When transferring young frogs to higher ground, avoid steep slopes or cliffs. Instead, guide them gently up sloped areas. If the path is uneven, it increases the risk of predation and makes it harder for the frogs to find food, leading to higher mortality rates.
6. Provide supplemental feed if necessary
If the initial population density is too high and natural insects in the forest are insufficient, small amounts of low-grade mealworms can be added to the dense areas to supplement their diet and ensure adequate nutrition.
7. Prevent human and animal disturbance
During the uphill migration, it’s important to manage the movement of frogs in stages. Avoid allowing people to collect vegetables or graze livestock in the forest, as this can cause trampling and harm the frogs. Proper planning and management will help protect the young frogs during this critical phase.
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