Vitamins:
Vitamin A:
Retinol. Carotene compounds responsible for transmitting light sensation in the
retina of the eye. Deficiency leads to night blindness.
Beta carotene: An
antioxidant which protects cells against oxidation damage that can lead to cancer.
Beta carotene is converted, as needed, to vitamin A. Food sources of beta
carotene include vegetables such as carrots, sweet potatoes, spinach and other
leafy green vegetables; and fruit such as cantaloupes and apricots. Excessive
carotene in the diet can temporarily yellow the skin, a condition called
carotenemia, commonly seen in infants fed largely mushed carrots.
Vitamin B1:
Thiamin, acts as a coenzyme in body metabolism. Deficiency leads to beriberi, a
disease of the heart and nervous system.
Vitamin B2:
Riboflavin, essential for the reactions of coenzymes. Deficiency causes
inflammation of the lining of the mouth and skin.
Vitamin B3:
Niacin, an essential part of coenzymes of body metabolism. Deficiency causes
inflammation of the skin, vagina, rectum and mouth, as well as mental slowing.
Vitamin B6:
Pyridoxine, a cofactor for enzymes. Deficiency leads to inflammation of the
skin and mouth, nausea, vomiting, dizziness , weakness and anemia.
Folate (folic
acid): Folic acid is an important factor in nucleic acid synthesis (the genetic
material). Folate deficiency leads to megaloblastic anemia.
Vitamin B12: An
essential factor in nucleic acid synthesis (the genetic material of all cells).
Deficiency leads to megaloblastic anemia, as can be seen in pernicious anemia.
Vitamin C:
Ascorbic acid, important in the synthesis of collagen, the framework protein
for tissues of the body. Deficiency leads to scurvy, characterized by fragile
capillaries, poor wound healing, and bone deformity in children.
Vitamin D: A
steroid vitamin which promotes absorption and metabolism of calcium and
phosphorus. Under normal conditions of sunlight exposure, no dietary
supplementation is necessary because sunlight promotes adequate vitamin D
synthesis in the skin. Deficiency can lead to osteomalacia in adults and bone
deformity (rickets) in children.
Vitamin E:
Deficiency can lead to anemia.
Vitamin K: An
essential factor in the formation of blood clotting factors. Deficiency can
lead to abnormal bleeding.
Nutritions:
For the treatment
of nutritional disease, any of the nutrient-related diseases and conditions
that cause illness in humans. They may include deficiencies or excesses in the
diet, obesity and eating disorders, and chronic diseases such as cardiovascular
disease, hypertension, cancer, and diabetes mellitus. Nutritional diseases also
include developmental abnormalities that can be prevented by diet, hereditary
metabolic disorders that respond to dietary treatment, the interaction of foods
and nutrients with drugs, food allergies and intolerances, and potential
hazards in the food supply. All of these categories are described in this
article. For a discussion of essential nutrients, dietary recommendations, and
human nutritional needs and concerns throughout the life cycle, see nutrition,
human.
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The first is to check whether the water quality indicators are normal before selling fish. If ammonia nitrogen, nitrite, etc. are found to exceed the standards, they must be handled in advance to adjust the water quality indicators to an appropriate range.
The second is to use 2-3 days before selling fish to prevent back-to-back with some substrate modifier. The key point in the concept of controlled ecological farming that has been advocated is to emphasize the improvement of the bottom quality of aquaculture water bodies. As the saying goes, "fish farming will raise water first," while "cultivation of water must first change its bottom." If the sub-quality improvement work is not done before the fish is caught, it is easy to have the phenomenon of anti-bottom, resulting in fish head floating oxygen deficiency, ammonia and nitrogen poisoning. In addition, some oxygenates and water Antidote should be spilled one night before the fish is sold.
The third is to apply some anti-stress drugs about 1 hour before the fish is sold, which can prevent the fish from suffering stress reaction during the fish selling process and increase the dissolved oxygen in the water.
After the fish is sold, detoxify the water body to avoid poisoning of pond fish because of harmful toxins produced when selling fish. Water quality antidote can be used to purify water and detoxify the toxins. After selling the fish for 2-3 days, after the water quality is stabilized, some beneficial microbial preparations, such as Bacillus, photosynthetic bacteria, or EM bacteria, etc., will be splashed to regulate the water quality, which can effectively inhibit the propagation of harmful bacteria.
Taking the above measures before and after the sale of fish can greatly increase the success rate of selling fish. After the two farmers in Xingtan Zhendong Village in August operated in accordance with the above method, the fish sales were relatively successful. There was no adverse reaction after the fish was stored in Tangtang Fish, and the water quality was good after the fish was sold, in their follow-up observation work. It was learned that the growth of the fish was good.
Based on the above situation, it is suggested that farmers with low success rate in selling fish may wish to try their best to change the bottom, prevent stress and transfer water before and after selling fish, and reduce losses and improve economic benefits from the harvest.
Tang fish market soon pay attention to the management of water quality
In mid-September, various freshwater fish have been listed one after another. However, in the course of selling fish every year, it is not uncommon for fish or pond fish to die due to improper operation. It is suggested that farmers should improve their bottoms, prevent stress and adjust water before and after selling fish, which can greatly increase the success rate of selling fish.