Rainbow Trout Variety Profile: Originated from the Pacific coast of California, USA, was first introduced to the United States on the East Coast in 1874 and is now spread over five continents. Chinese rainbow trout farming began in 1959 and was introduced by North Korea. Rainbow trout has small heads, few bones, thick flesh, no intermuscular stab in meat, fresh flesh, and cholesterol content almost equal to zero. Its EPAC (eicosapentaenoic acid) content is several times higher than other fish.
Basic characteristics: rainbow trout are brightly colored and prefer to live in mountain waters with clear water, abundant oxygen, and low water temperature. The growth water temperature is in the range of 3-25°C, the suitable water temperature is 7-20°C, and the optimum water temperature is 10-18°C. Rainbow trout are very sensitive to dissolved oxygen in water. When the dissolved oxygen in the water is less than 5 mg/L, appetite is poor and breathing is difficult. When it is less than 3 mg/L, it will cause a large number of deaths. Larvae feed on plankton, benthic animals, and aquatic insects, and on the second instar they mainly eat fish. Under artificial feeding conditions, it is easier to acclimate and eat artificial compound feed. Adult fish ponds are divided into cement ponds and earth ponds. Most cement pools are suitable. The area of ​​the cement pool is 50-200 square meters. The water depth is 1 meter and the rectangle is the best. Fish species specifications are 50 grams tail weight, and generally 800-1000 acres, can produce about 1,000 pounds of fish. Note that it is better to have live water in the place where the rainbow trout is cultured.
Basic characteristics: rainbow trout are brightly colored and prefer to live in mountain waters with clear water, abundant oxygen, and low water temperature. The growth water temperature is in the range of 3-25°C, the suitable water temperature is 7-20°C, and the optimum water temperature is 10-18°C. Rainbow trout are very sensitive to dissolved oxygen in water. When the dissolved oxygen in the water is less than 5 mg/L, appetite is poor and breathing is difficult. When it is less than 3 mg/L, it will cause a large number of deaths. Larvae feed on plankton, benthic animals, and aquatic insects, and on the second instar they mainly eat fish. Under artificial feeding conditions, it is easier to acclimate and eat artificial compound feed. Adult fish ponds are divided into cement ponds and earth ponds. Most cement pools are suitable. The area of ​​the cement pool is 50-200 square meters. The water depth is 1 meter and the rectangle is the best. Fish species specifications are 50 grams tail weight, and generally 800-1000 acres, can produce about 1,000 pounds of fish. Note that it is better to have live water in the place where the rainbow trout is cultured.
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