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Cattle and sheep need seven major nutrients, why trace elements need additional supplements?
Release time:
2021-04-21
The main characteristics of animal essential trace elements: (1) This element is present in all tissues in all healthy bodies; (2) In the same kind of animals, its concentration is relatively constant; (3) If the body lacks this element, it can produce similar structural and physiological functional abnormalities in different tissues; (4) After supplementing the missing elements of the species, it can prevent and control such abnormal changes; (5) Abnormal conditions caused by lack are always accompanied by specific biochemical changes; (6) When deficiency is prevented or cured, the corresponding biochemical changes are also prevented or treated. Animal essential trace elements are: iron, copper, manganese, zinc, iodine, cobalt, selenium, chromium, molybdenum, fluorine, nickel and other 15 kinds of trace elements.
Generally speaking, animals such as cattle and sheep need seven nutrients, which are: carbohydrates, protein, fat, crude fiber, vitamins, minerals, trace elements, water, etc. Among them, carbohydrates, protein, fat, crude fiber, etc. can be provided by the bulk feed ingredients in the diet, while vitamins and trace elements need special supplements.
For animals, minerals include macroelements and trace elements, where,constant elementRefers to body weight0.01%The above elements, mainly calcium, phosphorus, sodium, potassium, magnesium, chlorine, sulfur and other elements;trace elementRefers to body weight0.01%The following elements, trace elements according to its biological role in the animal body is divided into essential trace elements, may be essential trace elements and non-essential trace elements in three categories.
Special emphasis is needed here is the animal essential trace elements.
The main characteristics of animal essential trace elements:
(1) This element is present in all tissues in all healthy bodies;
(2) In animals of the same species, its concentration is relatively constant;
(3) If the body lacks this element, it can produce similar structural and physiological functional abnormalities in different tissues;
(41) Such abnormal changes can be prevented after the missing elements are supplemented;
(5) Abnormal conditions caused by deficiency are always accompanied by specific biochemical changes;
(6) When deficiency is prevented or cured, the corresponding biochemical changes are also prevented or treated.
Animal essential trace elements are: iron, copper, manganese, zinc, iodine, cobalt, selenium, chromium, molybdenum, fluorine, nickel, etc15Trace elements.
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