General farmers like the pig's skin rosy, shiny hair, smooth. However, sometimes farmers find that the pigs they raise have long, curly hair and rough skin hair. They look very unpleasant. The length of pig hair may have the following reasons: First, the breeding environment 1, the temperature is low, the pig's instinctive long hair. 2, the environment is not comfortable, dirty, chaotic and so on. When people are bothered, the beard can be 1 mm long. 3, environmental stress, etc. can also cause hair disorder. Such as noise, power failure, lack of water and so on. Response measures: Give the pig a warm and comfortable environment, a good mood, hair is not so long! Second, nutrition 1, lack of energy (1) China's nutritional standards of low energy design. (2) Summer intake is low, daily intake is insufficient (feed intake of formula energy levels). (3) There are parasites, which are wasting diseases that consume too much energy. Response measures: (1) Change the bran in the formula to corn, or add oil directly to increase the energy value of the feed. (2) Need to improve palatability and increase feed intake. (3) should pay attention to deworming. 2, lack of vitamins (1) the introduction of varieties of fast growth, large demand. (2) Summer hot intake is low, and there is a large demand for relieving heat stress. Response measures: Pay attention to vitamin supplements. 3. Safety and Balance of Minerals and Trace Elements (1) Minerals and trace elements contain toxic heavy metals that affect the growth, metabolism, and health of animals. In particular, excessive levels of cadmium in the zinc-containing raw materials cause anaemia and impeded growth in cadmium. (2) Zinc oxide in weaned piglets causes long hair, and high copper can cause hair to bend. (3) Unbalanced nutrition caused by minerals and trace elements. (Excess of calcium, phosphorus, sodium, chlorine, sulfur, magnesium, copper, iron) Countermeasures: (1) Pay attention to the balance between minerals and trace elements. (2) Try to use organic trace elements. (3) Pay attention to the detection of heavy metals when purchasing raw materials for minerals and trace elements, especially when purchasing zinc-containing raw materials, strictly test the content of cadmium. 4. When the ratio of amino acid in feed is unbalanced, the sulfur amino acid is relatively high and the hair length is long. Response measures: Pay attention to the balance between amino acids, supplement the limiting amino acids, and limit the addition of sulfur-containing amino acids in pig feed. 5, hair length may be related to overall nutrition, vitamins, trace elements, energy, amino acids, etc., only a comprehensive adjustment formula, otherwise it is difficult to solve.
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