Goji Berry ( [Goji" means [happy") , also called wolfberry, has been used for thousands of years by herbalists in China to protect the liver, help eyesight, boost immune function, improve circulation, and promote longevity and overall well being. It has only recently gained popularity in the west, it has become so polar, in fact, the Time Magazine recently named the Goji berry as [super-fruit" of the year. A big reason why Goji berries have quickly become a favorite nutritional supplement is that its impressive list of ingredients. The Goji berry, also called the wolfberry, is a bright purplish red or purple red berry that comes from a shrub that is native to China. In Asia, goji berries have been eaten for generation in the hope of living longer.
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First, the habit of blue shrimp in South America often inhabits the muddy seabed, nocturnal, quiet and scared, suitable water temperature 19-33 °C, salinity 5-50 ‰, pH 7.6-8.3. The salinity in artificial rearing can be gradually reduced to about 0.5‰, the pH can be controlled between 7.6-8.9, and the dissolved oxygen requirement is above 5mg/l. South American Blue Prawn has a wide range of food habits and has a requirement of 30-35% for the dietary protein.
Second, aquaculture and management
1. Qingchi disinfection first requires the complete removal of silt in the bottom of the pool. After exposure, use 150 kg of quick lime per acre evenly to sprinkling the pool. Into a small amount of blisters for 2-5 days, then drain the pool. Put 0.8-1.0 meters into the water 20-30 days before planting and disinfect with 0.5-1ppm chlorine dioxide. The water inlet is coated with 80 mesh mesh to prevent miscellaneous fish and shrimp eggs from entering the pool. Feitang depends on the fatness of the water. According to the author's experience, the source of fresh water is far more than that of seawater fertilizer.
2, put the seedlings out of the pool in the 0.6-0.8 cm, in the nursery pond desalination to about 0.5 ç› salinity, into pond pond water temperature above 19 °C. Unlike South American white prawns, South American blue prawns are not suitable for high-density farming, and it is advisable to put 1-1.5 million seedlings per acre.
3. Management during the growing period 1 The requirements for the protein content of the ingested Blue Prawn were similar to those of the Chinese shrimps, Penaeus monodon, ranging from 30-35%. Because the basic food in the early aquaculture is better, it can be used less, and later it needs to increase the amount of feed according to the shrimp. Check the shrimp's full stomach rate within 1-2 hours after feeding, and the stomach rate can be about 70%.
2 Disease Prevention and Control Disease prevention and control should pay attention to the following points: Clear pond work should be done well; do not cast diseased and poorly viable shrimp seedlings; keep the water environment stable; add stable vitamin C when feeding; don't use it in breeding ponds Drugs; must be fast when catching, it is best to clear the pond once.
Dilution culture technology of blue shrimp in South America
Blue shrimp is native to the Pacific coast of the Americas. Although it is far inferior to Latin American white shrimp in terms of adaptability to the breeding environment, it has a strong resistance to a series of viral shrimp diseases, coupled with a delicious taste and a creamy texture. At present, China has gradually promoted farming.