Sweet potato dry (powder): The sweet potato washed slices put in boiling water, boiled, picked up dried dried sweet potatoes, will be crushed sweet potato powder. Sweet potato dry (powder) can be used as energy feed to produce compound feeds for various livestock and poultry. Single feeding effect is not good. Sweet potato powder slag: The moisture content of sweet potato powder slag is about 76%, so it is easily rancid and should be fed fresh in time. Daily feeding volume: cows 10 to 30 kilograms, pigs 3 to 10 kilograms. When feeding pigs, care should be taken to supplement protein feeds and cook them, and feed them with other feeds. Feed no more than 30% of the total feed (based on dry matter). If there is no danger of rancidity when the fresh food is fed, the amount of bran can be evenly mixed in the sweet potato powder slag, and the water content will be adjusted to 70%, and then fed alone or in silage with other green feeds. Sweet potato vines: First, freshly fed, beaten or chopped and fed. The second is feeding after silage. The method is to cut the sweet potato vine before the frost, cut into short cuts of 3 cm or less, dry the water to about 70%, and seal it in the concrete pool or thick plastic bag after layer-by-layer compaction. After 20 to 30 days, it can be opened. Cellar use.
The combination and collocation of mineral nutrient elements. Among these elements, in addition to carbon, oxygen, hydrogen, nitrogen and other elements mainly exist in the form of organic matter, the other 60 kinds of elements are collectively referred to as minerals, of which 25 kinds are necessary for human nutrition.Calcium, magnesium, potassium, sodium, phosphorus, sulfur, chlorine 7 kinds of element content is more, accounting for about 60% ~ 80% of the total minerals, so called macro elements, and iron, copper, iodine, zinc, manganese, molybdenum, cobalt, chromium, tin and vanadium, silicon, nickel, fluorine, etc. 14, because there are too few, within the body content less than 0. 005%, therefore is called the trace elements.
Synonyms Dietary essential minerals; Macro- and microminerals; Electrolytes; Trace elements Definition Mineral nutrients are inorganic substances that must be ingested and absorbed in adequate amounts to satisfy a wide variety of essential metabolic and/or structural functions in the body. Mineral nutrients are sometimes categorized according to the amount required in the human diet to maintain good nutrition. Macrominerals is a general term encompassing both bulk minerals (calcium, phosphorus, magnesium) and electrolytes (sodium, potassium, chloride), which are required to be ingested by humans in amounts of hundreds of milligrams to several grams per day. Microminerals or trace elements (including iron, zinc, copper, manganese, selenium , iodine, chromium, molybdenum) are required in amounts of a few milligrams or less per day. The latter members of this group, which are required only in amounts of micrograms per day, are sometimes referred to as ultratrace elements.
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