The method of making pig diet formula
1. Prepare data: (1) types of raw materials. (2) the nutritional content of various raw materials and the content of toxic and harmful substances that may exist. This is the basis for making pig diet formula.
two。 Design formula: according to the known nutritional standards and the nutritional content of various raw materials, reasonably determine the proportion of various raw materials in the formula, so that the digestive energy, crude protein, calcium, phosphorus, salt, lysine and methionine of the formula just meet the nutritional standards without too much, so as to reduce the cost. In the design of the formula, we must pay attention to the scientific nature of the formula, do not add any kind of raw materials at will.
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Porcine surgery disease-porcine rheumatism
[etiology] the rheumatism of pigs is in cold and humid weather, because the pigsty is dark and humid, the warm condition is poor, and there is no clean bedding grass, pigs are attacked by wind and cold or stimulated by ice and snow, rain, dampness, or lack of exercise. Feed mutation and other incentives to cause the disease. [symptoms] the disease often occurs rheumatism of muscles and joints, often occurs suddenly, first occurs in the hindlimb, soon extends to the forelimb, or the affected part is often transferred, alternating claudication, muscle or joint pain, hard, not smooth, off the muscle surface of the affected part.
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Introduction to the method of skillfully treating "bad hobby" of pigs
Circle: cut short the upper eyelashes of a swine and cut it when it grows. In this way, when the pig looks up and runs around, its eyes will be stimulated by wind, light and dust and will have a sense of fear. After several times, the pig will no longer run in the circle. Nibbling on the wall: pigs gnawing on the wall is often due to insufficient salt intake. in general, the salt content in the diet of 60-90kg fattening pigs should reach 0.25%, and the salt content in the diet of breeding boars should reach 0.35%. Bite fight: bite fight often occurs when pigs are raised in different pens. If
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