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Pig lung feeding bullfrogs
Bullfrogs mainly feed on animal feed. Feeding bull frogs with pig lungs as an animal feed is not only of wide source and low price, but also simple to operate. After feeding, it can float on the water, allowing bullfrogs to feed freely. According to the trial of some farmed bullfrogs, the young frogs are fed with lungs of pigs. The average frog weight is 25 kg per 50 kg. The average daily dose is 2.5 kg. After feeding for 130 days, a total of 325 kg of pig lungs are fed. It can be increased to 150 grams, and the maximum weight is 240 grams. A total of 250 kilograms of bullfrogs are harvested, and the feed coefficient is 1.6. The frogs are reared with pig lungs and the average frogs per 150 kilograms are more than 150 grams each day. The lungs were 2.8 kg. After feeding for 180 days, a total of 504 kg of lungs were fed. The average body weight was increased to 502 g. The largest body weight was 709 g. A total of 350 kg of frogs was harvested, and the feed coefficient was 1.68. If the price per kilogram of pig lung is calculated at 1.2 yuan, the feed cost per kilogram of frog and adult frog is only 1.92 yuan and 2.02 yuan, which is much lower than the cost of using other animal feed. The method of feeding the bull frogs with the lungs of the pigs is as follows: 1. The pig lungs must be processed before they are fed. The lungs of the bullfrogs must be fresh. Prior to feeding, fat, trachea, etc. on the lungs of pigs should be removed to leave the lobes of the lungs. During processing, the meat grinder can be minced or cut with a knife. The size depends on the size of the frog and the size of the frog, and is generally 2 mm to 8 mm square. If pig lungs are frozen, they should be immersed in water before processing. The contents should be kept under pressure so that they can all be soaked in water for 1 hour and then processed. Second, to regular, fixed-point, quantitative feeding feeding time, preferably every day from 8 am to 9 o'clock or when near dark, feeding 1 to 2 times a day. The feeding site should be relatively fixed. For bullfrogs cultured on large water surfaces, four bamboo sticks can be used to make a box, and pieces of pork lungs can be sprinkled in the bamboo frame to allow the bullfrogs to swallow. The amount of each feeding is suitable to be eaten by bullfrogs within 30 minutes to 40 minutes. Third, the fresh lung frogs fed to the pool of frogs should be kept fresh in the water of the frog pool. It should not be too long to stay on the surface of the water. Otherwise, if it is too long, it will rot and deteriorate. When it is found that the lungs of pigs that have stayed on the water have changed color, they must be removed by hand. When the water quality of the frog pool has been affected, new or replacement water should be added to prevent young frogs and adult frogs from infecting them and ensure their robust growth.