As far as hog farming is concerned, increasing feed intake can maximize meat production and meat quality. When feeding, it should seek ways to improve feed palatability, so that pigs are willing and willing to eat and increase feed intake.
Studies using flavorings have shown that pigs have a significant preference for sweets, and complex sweeteners (including 6.7% sodium saccharin and other long-term flavor enhancers and synergists) can increase pig feed intake, but at too high a level. Or too low is not conducive to the exertion of pig feed intake. In the growth stage of piglets (1 to 28 days), adding 150 mg/kg of complex sweetener to the diet can achieve the maximum daily feed intake, and it can also obtain this The maximum daily gain of the stage. In addition, there are experiments show that the flavoring agent has anti-oxidation function. With the prolonged storage time of the feed, the flavoring agent can effectively relieve the oxidation degree of the feed.
Feed anti-mildew and anti-oxidation can take the following measures to prevent mildew and oxidation: 1. The moisture content of stored feed should be controlled within a certain range, generally no more than 12%, and the ventilation, heat insulation and moisture protection of the warehouse should be in place. The relative humidity is controlled below 60%. Too much humidity will cause mold breeding, and it is also not conducive to the preservation of high fat feed. 2. The optimum temperature for mold growth is 28°C to 38°C, so the temperature of the warehouse must be controlled to prevent molds. Change, highly unsaturated fatty acids in feed are also susceptible to oxidative rancidity at higher temperatures; 3. Use some mildew-proof powder and antioxidants reasonably to handle some of the emergency feed mildew and rancidity, but this will affect the nutritional value of the feed. , it is not recommended for long-term use.
Reasonable processing It has been reported that the utilization of feed can be increased by about 23% when the comminuted grain feed is reconstituted into pellet feed. During the granulation process, the feed is subjected to high pressure squeezing during the steaming and pressing process, which breaks the feed grain cells and releases intracellular substances to increase the nutrient content of the feed. At the same time, after the feed is made into granules, the palatability is good, and the energy consumption is reduced during the feeding, and the feed can be made more uniform, which can prevent the pig from picking up a specific feed ingredient.
Elimination of anti-nutritional factors Anti-nutrient factors are the main factors that limit feed utilization. In order to reduce or eliminate the impact of anti-nutritional factors, various approaches can be taken. The main treatment methods include physical treatment, chemical treatment, breeding of new varieties and biological treatment. Most of the anti-nutritional factors are thermally unstable, such as various protease inhibitors, lectins, anti-vitamins, etc., and can be denatured by heating.
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Household Oxygen Generator is a type of machine for producing oxygen, its principle is to use air separation technology. First, the air is compressed at a high density and then the different condensation points of each component in the air are used to separate the gas and liquid at a certain temperature, and then rectify it to separate it into oxygen and nitrogen. In general, people are used to calling it an oxygen generator because it is mostly used to produce oxygen. Because oxygen and nitrogen are widely used, oxygen generators are also widely used in the national economy. Especially Homecare Oxygen Concentrator and Household Medical Devices for hospital and household.
The first countries in the world to produce oxygen generators were Germany and France. The German Linde Company made the world's 10th m3/s oxygen generator in 1903. Following Germany, the French Air Liquide Company also began to produce oxygen generators in 1910. Since 1903, the oxygen generator has a history of 100 years.
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