Thai tiger frog (commonly known as Thai frog, hereinafter referred to as Thai frog) is an ideal breeding new species introduced in recent years. It is a large-sized edible frog whose individuals are smaller than American frogs and slightly larger than local frogs. It weighs up to 05 kg. Thai frogs are ideal for delicacies because of their crisp, tender, delicious, nutritious and low cholesterol content.
Morphological characteristics and living habits The frogs have wide adaptability to the environment, fast growth, short breeding cycle, low reproduction conditions, low disease, strong cold resistance, no hibernation period, and easy to raise and manage easily. The development of Thai frog breeding is a good way for rural aquaculture to become rich.
The Thai frog has a short, slightly triangular head and a wide mouth. The head, cheeks, and tip of the mouth are pale green with rough skin. The abdomen of the back, body, and limbs is full of large and small grains. There are several folds of skin on both sides of the back. The color of the back varies with the color of the surrounding environment, the temperature, the shade of the water, and the duration of the light. Under normal circumstances, the young frog to the middle frog is pale green or brown gray, the frog is grayish brown, and the belly is grayish white. The forelegs are shorter and smaller, with four toes. The hind limbs are developed with thick toes, prefer to swim, do not jump well, like to expose their heads to the water in the water, or sun on the land.
The growth process of the Thai frog needs to go through four stages: fertilized egg → èŒèšª → frog frog → adult frog. It takes about 120-150 days. The suitable temperature for growth is 23-30 °C, and the temperature is lower than 15 °C or higher than 35 °C, which is not good for growth. Thai frogs are miscellaneous, animal feeds, plant feeds, and artificial pellet feeds can all feed. When the Thai frogs are hungry, they will experience mutual sustenance.
Feeding methods 1. Site selection Tai frog likes to grow in a quiet environment, so choose to stay away from noise, more plants, cool and humid, adequate water supply, convenient irrigation and drainage, no floods, clean water, no pesticides, chemical fertilizers and other toxic and harmful The place where the material is contaminated is ideal for building a farm. A good growing environment is the primary condition for raising a good frog.
After the site is selected, it is time to start construction of the Frog Pond. There are two commonly used frog ponds: one is a surrounding earthen pond; the other is a hard-bottom concrete pool that is currently used more. Throughout the entire farm, scaffolding was needed. In summer, shade nets were placed to prevent the sun from being violently irradiated. In the winter, plastic film was added to protect the frogs to survive overwintering.
2. The construction of the cement frog pool The cement pool is easy to operate and well managed. It is used for breeding high yield of Thai frogs. Cement pool area should not be too large, usually 12-20 square meters. Walls and bottom of the wall are covered with cement to prevent scratching of the skin when the frog jumps. The bottom of the pool is slightly inclined, and the slope is suitable for draining water, which is convenient for cleaning. The water outlet shall be provided on the lowest side of the bottom of the pool, and the drainage opening shall be sealed with a nylon net to prevent the Thai frog from escaping. The water inlet is located above the other end of the frog pool. At the bottom of the pool, a platform 15 centimeters above the bottom of the pool, with an area of ​​about 4 square meters, will be built for the Thai frog to feed and basking in the sun.
3. Thoroughly clean, inspect and disinfect the farm before stocking. Remove enemy elements of snake frogs and rats. Clean up the debris in the yard so as not to pollute the water quality and hide enemy organisms. Check whether the water inlet and outlet systems are unobstructed, whether the water quality meets the requirements, check whether the leaks are plugged, whether the anti-escape facilities are firm, whether sun-protected sun shade nets or cold-resistant plastic films are available. All utensils shall be soaked with 20ppm potassium permanganate solution or 80ppm formalin solution. The water body shall be disinfected with 1ppm bleach, and land shall be disinfected with 2ppm bleach solution or 1/2000 quicklime. The newly built concrete pool should be soaked with fresh water for 7 days before being used. Each pond should be filled with sterile water hyacinth and other aquatic plants suitable for use by Thai frogs.
4, young frogs - into a frog breeding off the tail from the cockroach, metamorphosis into a baby frog, raised to the sale of commercial frogs, this period of time called young frog breeding, and then raised to sexual maturity, called frog breeding.
(1) Stocking density and grading rearing. The stocking density varies with the individual size of the Thai frog. In the early period, the young frogs were small and the density could be larger. Generally, the cement ponds were stocked at about 300/m2, and the earthen ponds were about 150/m2. As the individual grows up, it is necessary to gradually divide the specifications and raise them. Adult frog breeding density cement pool is generally 100-200 / square meters, soil pool 50-60 / square meter is appropriate. In the rearing process, if the feeding of the feed does not lead to starvation of the Thai frog in time, the phenomenon of mutual grueling will be more serious. Individuals of different sizes should be bred and bred in about 10 days to prevent the phenomenon of eating too much and eating weakly. The young frog can be immersed in 5% salt water for 5 to 10 minutes before entering the pool or dipped in 20ppm potassium permanganate solution for 10 to 20 minutes. After being sterilized and then placed in the pool, this can prevent and reduce the occurrence of diseases. .
(2) feed feeding. The frogs have a wide range of feed sources and can feed fresh feeds such as red worms, fly maggots, cockroaches, small insects, small fish, shrimp, etc., and can also be fed with special frog granules. Fresh and live bait should be non-toxic, fresh and clean; the pellets should be free of mildew and have no odor. The amount of feed should be based on the size of the frog, the temperature level, stocking density, growth cycle, season, feed type, and quality. Under normal circumstances, the larval period should be 6% to 7% of the total weight of the frog body and 3% to 5% of the frog period. Feed the amount of feed each day to be properly controlled, so that the Thai frog feed evenly, not too little or too much, but this is one of the effective measures to increase feed utilization, reduce disease and accelerate the growth of Thai frogs.
The number of feedings depends on the amount of feeding, and the number of feedings in one day should be reasonably distributed. Generally, the young frogs are fed 3 to 4 times (6 to 8 hours for one time) and 2 times for frogs (once every morning and evening). When the weather changes, less or no investment. When feeding, the feed can be divided into small piles on the feed table in the pool. When feeding, the last residual feed should be removed from the pool to avoid polluting the water. Some trace elements, vitamins, antibiotics, etc. should be properly added to the feed to enhance the resistance of the frog and promote its rapid growth.
(3) Water temperature and water quality control. The optimal water temperature for the Thai frog growth is 23-30°C. Controlling the water temperature is beneficial to the growth of the frog. During the hot summer months, it is necessary to constantly change the water, increase the depth of the pool water, improve the ventilation conditions, and cover the shade net. Pond water generally stays light green or light gray with a pH of 7-8. When you change the water, you should remove dead frogs and rot animals and plants. Aquaculture water is best disinfected with potassium permanganate, bleach, formalin, etc. to maintain good water quality and promote healthy growth of Thai frogs.
(4) Patrol pool observation. Be diligent on the patrol pool every day, observe the feeding and activity of the Thai frogs, and check for any disease, so that timely detection and timely treatment can be performed. Thai frogs can be captured on the market by 4-6.
Morphological characteristics and living habits The frogs have wide adaptability to the environment, fast growth, short breeding cycle, low reproduction conditions, low disease, strong cold resistance, no hibernation period, and easy to raise and manage easily. The development of Thai frog breeding is a good way for rural aquaculture to become rich.
The Thai frog has a short, slightly triangular head and a wide mouth. The head, cheeks, and tip of the mouth are pale green with rough skin. The abdomen of the back, body, and limbs is full of large and small grains. There are several folds of skin on both sides of the back. The color of the back varies with the color of the surrounding environment, the temperature, the shade of the water, and the duration of the light. Under normal circumstances, the young frog to the middle frog is pale green or brown gray, the frog is grayish brown, and the belly is grayish white. The forelegs are shorter and smaller, with four toes. The hind limbs are developed with thick toes, prefer to swim, do not jump well, like to expose their heads to the water in the water, or sun on the land.
The growth process of the Thai frog needs to go through four stages: fertilized egg → èŒèšª → frog frog → adult frog. It takes about 120-150 days. The suitable temperature for growth is 23-30 °C, and the temperature is lower than 15 °C or higher than 35 °C, which is not good for growth. Thai frogs are miscellaneous, animal feeds, plant feeds, and artificial pellet feeds can all feed. When the Thai frogs are hungry, they will experience mutual sustenance.
Feeding methods 1. Site selection Tai frog likes to grow in a quiet environment, so choose to stay away from noise, more plants, cool and humid, adequate water supply, convenient irrigation and drainage, no floods, clean water, no pesticides, chemical fertilizers and other toxic and harmful The place where the material is contaminated is ideal for building a farm. A good growing environment is the primary condition for raising a good frog.
After the site is selected, it is time to start construction of the Frog Pond. There are two commonly used frog ponds: one is a surrounding earthen pond; the other is a hard-bottom concrete pool that is currently used more. Throughout the entire farm, scaffolding was needed. In summer, shade nets were placed to prevent the sun from being violently irradiated. In the winter, plastic film was added to protect the frogs to survive overwintering.
2. The construction of the cement frog pool The cement pool is easy to operate and well managed. It is used for breeding high yield of Thai frogs. Cement pool area should not be too large, usually 12-20 square meters. Walls and bottom of the wall are covered with cement to prevent scratching of the skin when the frog jumps. The bottom of the pool is slightly inclined, and the slope is suitable for draining water, which is convenient for cleaning. The water outlet shall be provided on the lowest side of the bottom of the pool, and the drainage opening shall be sealed with a nylon net to prevent the Thai frog from escaping. The water inlet is located above the other end of the frog pool. At the bottom of the pool, a platform 15 centimeters above the bottom of the pool, with an area of ​​about 4 square meters, will be built for the Thai frog to feed and basking in the sun.
3. Thoroughly clean, inspect and disinfect the farm before stocking. Remove enemy elements of snake frogs and rats. Clean up the debris in the yard so as not to pollute the water quality and hide enemy organisms. Check whether the water inlet and outlet systems are unobstructed, whether the water quality meets the requirements, check whether the leaks are plugged, whether the anti-escape facilities are firm, whether sun-protected sun shade nets or cold-resistant plastic films are available. All utensils shall be soaked with 20ppm potassium permanganate solution or 80ppm formalin solution. The water body shall be disinfected with 1ppm bleach, and land shall be disinfected with 2ppm bleach solution or 1/2000 quicklime. The newly built concrete pool should be soaked with fresh water for 7 days before being used. Each pond should be filled with sterile water hyacinth and other aquatic plants suitable for use by Thai frogs.
4, young frogs - into a frog breeding off the tail from the cockroach, metamorphosis into a baby frog, raised to the sale of commercial frogs, this period of time called young frog breeding, and then raised to sexual maturity, called frog breeding.
(1) Stocking density and grading rearing. The stocking density varies with the individual size of the Thai frog. In the early period, the young frogs were small and the density could be larger. Generally, the cement ponds were stocked at about 300/m2, and the earthen ponds were about 150/m2. As the individual grows up, it is necessary to gradually divide the specifications and raise them. Adult frog breeding density cement pool is generally 100-200 / square meters, soil pool 50-60 / square meter is appropriate. In the rearing process, if the feeding of the feed does not lead to starvation of the Thai frog in time, the phenomenon of mutual grueling will be more serious. Individuals of different sizes should be bred and bred in about 10 days to prevent the phenomenon of eating too much and eating weakly. The young frog can be immersed in 5% salt water for 5 to 10 minutes before entering the pool or dipped in 20ppm potassium permanganate solution for 10 to 20 minutes. After being sterilized and then placed in the pool, this can prevent and reduce the occurrence of diseases. .
(2) feed feeding. The frogs have a wide range of feed sources and can feed fresh feeds such as red worms, fly maggots, cockroaches, small insects, small fish, shrimp, etc., and can also be fed with special frog granules. Fresh and live bait should be non-toxic, fresh and clean; the pellets should be free of mildew and have no odor. The amount of feed should be based on the size of the frog, the temperature level, stocking density, growth cycle, season, feed type, and quality. Under normal circumstances, the larval period should be 6% to 7% of the total weight of the frog body and 3% to 5% of the frog period. Feed the amount of feed each day to be properly controlled, so that the Thai frog feed evenly, not too little or too much, but this is one of the effective measures to increase feed utilization, reduce disease and accelerate the growth of Thai frogs.
The number of feedings depends on the amount of feeding, and the number of feedings in one day should be reasonably distributed. Generally, the young frogs are fed 3 to 4 times (6 to 8 hours for one time) and 2 times for frogs (once every morning and evening). When the weather changes, less or no investment. When feeding, the feed can be divided into small piles on the feed table in the pool. When feeding, the last residual feed should be removed from the pool to avoid polluting the water. Some trace elements, vitamins, antibiotics, etc. should be properly added to the feed to enhance the resistance of the frog and promote its rapid growth.
(3) Water temperature and water quality control. The optimal water temperature for the Thai frog growth is 23-30°C. Controlling the water temperature is beneficial to the growth of the frog. During the hot summer months, it is necessary to constantly change the water, increase the depth of the pool water, improve the ventilation conditions, and cover the shade net. Pond water generally stays light green or light gray with a pH of 7-8. When you change the water, you should remove dead frogs and rot animals and plants. Aquaculture water is best disinfected with potassium permanganate, bleach, formalin, etc. to maintain good water quality and promote healthy growth of Thai frogs.
(4) Patrol pool observation. Be diligent on the patrol pool every day, observe the feeding and activity of the Thai frogs, and check for any disease, so that timely detection and timely treatment can be performed. Thai frogs can be captured on the market by 4-6.
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