How to choose tadpole seedlings? How to cultivate it?

Friends who grew up in the countryside may often see tadpoles, swimming in the fields is very conspicuous, many children will catch and play. We all know that frogs are a good delicacy and are loved by many consumers, so there are special farmers who raise frogs. In general, if you want to raise good frogs, you have to choose high-quality tadpole seedlings. How to cultivate it? Friends who want to know, please take a look at the following!

First, how to select tadpole seedlings?

1. The qualified tadpole seedlings should have smooth body surface, rich mucus skin, strong physique, strong vitality and fast growth.

2. The weight of the selected male and female tadpole seedlings must reach 80-150 grams and 100-200 grams respectively.

3. Female tadpole seedlings should have dilated abdomen, soft and elastic, while male tadpole seedlings should choose those with obvious black spots in the throat and well-developed marriage mat.

Second, how to cultivate tadpole seedlings?

1. Preparation before stocking

Because the tadpoles in the early stage are small and have poor mobility, they are vulnerable to various diseases and the harm of water snakes, ferocious fish and aquatic insects, so the tadpole ponds must be thoroughly disinfected with lime and bleach before stocking. 100 kg lime and 10 kg bleach are applied per mu of water to remove pathogens and various enemy organisms. A shade shed should be built above the tadpole pond, or an appropriate amount of water lilies should be raised in the pond.

2. Stocking density

Generally, tadpoles can be released 8-10 days after disinfection. The stocking density of tadpoles can be determined according to the required specifications. Generally, there are 2000 newly hatched tadpoles per square meter of water surface, 1000 tadpoles at the age of 20 days, 1000 tadpoles at the age of 40 days and 300 tadpoles at the age of 60 days.

3. Feed feeding

Frog tadpoles are plant-oriented omnivores. When you first open your mouth to feed, you mainly feed on phytoplankton and zooplankton in the water, and you can add egg yolk or soybean milk. It is generally fed twice a day, once in the morning and once in the evening, with 3 egg yolks per ten thousand tadpoles each time. After feeding for 5-6 days, with the growth and food intake of tadpoles, soybean meal, wheat bran, cooked fish and animal scraps can be changed, or artificial formula feed designed and produced according to the nutritional needs of frog tadpoles can also be fed, especially expanded feed.

4. Daily management

The tadpole breeding pond is required to have fresh water quality, no pollution, and dissolved oxygen above 3 mg / L. Water quality management is an important daily work during tadpole breeding. Tadpole ponds should keep fresh water quality and rich natural food organisms. When it is found that the pool water is not enough fertilizer and the plankton biomass decreases, topdressing should be applied in time; if the water quality shows signs of deterioration, the pool water should be changed in time, normally adding water or changing water every 3-5 days.

All right, that's all the editor wants to share with you today. now it's more profitable to raise frogs, but we should try our best to choose high-quality tadpole seedlings and cultivate them with appropriate methods. I hope this article can help you.

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