来源：http://www.sanwangyoubanggen.com/ 日期：2020-06-18 发布人：sanwa8
Pig premix has low cost and good effect, and has gradually become the first choice of large-scale farmers. However, the wrong formula of pig premix will lead to poor effect. Today, I will tell you the main points of the preparation of pig premix.
In order to master the feeding standard, production purpose and different growth stages of pigs, we should choose different feeding standards according to the production purpose, age and weight of pigs.
In addition to wheat bran, rice bran, fish meal, bone meal and other powdery raw materials, corn, beans, rice and other seed materials should be properly crushed. Raw soybeans must be fried or boiled before use.
Raw materials must be mixed evenly to ensure that pigs eat all kinds of nutrients. Especially when pig premix is used, if the feed is mixed unevenly, it is easy to cause drug or trace element poisoning.
The concept of pig raising has been upgraded from "prevention is more important than governance" to "prevention and breeding are more important", and the real success is that "raising is more important than prevention", so as to promote the "soup to stop boiling" to "draw salary from the bottom". The "treatment" here refers to the control of diseases. In addition to treatment, it also includes a series of measures to control diseases such as isolation, disinfection and elimination.
The concept of raising is full price nutrition, comfortable environment, in place management, meticulous care for pigs, and comprehensive measures to build internal immunity of pigs. The key to the success of pig farm is a good feed, a good environment and a good management.
Nutrition is the basis of immunity. If the nutrition is insufficient or excessive, the immune response of pigs will be reduced, and pigs will be vulnerable to various factors. The nutrition needed by pigs is balanced nutrition. Only when the proportion of energy, protein and mineral in feed is appropriate can it play its due role.
To raise pigs, we should prevent the difference of nutrition, which refers to the difference of partial nutrition when one kind of feed is replaced by another. For example, when the weaning material is replaced with piglet material, protein malabsorption is easy to cause edema; in the pregnancy stage, it is also a kind of nutritional gap and constipation that the pregnant sow material with low nutritional concentration is replaced with the lactating sow material with high nutritional concentration; when the weaning is changed from breast milk to solid feed, it is the nutritional gap, diarrhea and fat loss are the most common things.
Raising is to provide a comfortable environment, which has a great impact on the production of pigs. Temperature, humidity, air quality, density, etc. will have an impact on the production of pigs. "Cold, humidity, unsanitary, because of the external factors of piglet diarrhea", which shows the role of environment on the offspring.
The effect of temperature on pigs is relatively large. Low temperature can cause diarrhea, reduce growth rate and feed conversion rate; high temperature is harmful to sows and is not beneficial, which will reduce the feed intake and lactation of lactating sows; continuous high temperature will reduce the semen quality of boars and the fertility rate of breeding.