Addition of plasma protein powder in piglet feed

Plasma protein powder is a new feed additive that has emerged in recent years. It is particularly suitable for use in piglet feed and has a variety of effects in weaned piglets.

The type of plasma protein powder is mainly based on the source and processing method of blood: pig plasma protein powder (SDPP), low ash porcine plasma protein powder (LA1F), sow plasma protein powder (SDSPP) and bovine plasma protein powder (SIII1P ). The effect is almost the same, with pig plasma protein powder being more and commonly used, and plasma protein powder generally refers to this product. Plasma protein powder nutrition is more comprehensive, protein content of more than 75%, lysine and other essential amino acid content is also higher, and the proportion of amino acids is more balanced. The digestibility of plasma protein powder can reach 17.1 trillion per kilogram, and the metabolic energy is 16.6 megajoules per kilogram, which is a kind of high-energy substance. It is also rich in inorganic salts, with a phosphorus content of 1.78% and an iron content of 78 mg/kg. Plasma protein powder is produced by a special process. Blood cells that are difficult to digest have been separated. Therefore, the digestibility of proteins is generally above 95%. Iron, phosphorus, magnesium and other mineral elements also have high digestibility. Plasma protein powder is also rich in immune substances, including albumin, nutritional binding proteins and immunoglobulins and other functional proteins, including 22% of immunoglobulin; also contains a large number of growth factors, interferons, hormones, bacteriolysis Enzymes and other immune substances. The plasma protein powder processing process has a better palatability because it completely eliminates the bloody smell and reduces the viscosity.

The role of plasma protein powder in piglet feed

Can effectively prevent piglets diarrhea, diarrhea and other diseases. The early weaned piglets have a weak immune system due to the fact that the body's immune system is not well developed and has low immunity, and it is prone to diseases such as diarrhea and diarrhea. Because plasma protein powder contains high levels of immunoglobulins and other immune substances, most of these substances can be completely absorbed by piglets, which can effectively enhance the immunity of piglets and increase the resistance of piglets to diseases. Many experimental studies have shown that plasma protein powder can effectively reduce the incidence and mortality of diseases such as diarrhea in piglets, and the effect is obvious.

Relieves stress and promotes growth. After weaning, piglets are separated and transferred to sows, which are susceptible to stress. Poor state of mentality, growth stagnation, etc. occur, which is called stress syndrome in weaned piglets. Plasma protein powder contains a variety of functional proteins, can effectively promote the metabolism of piglets, relieve weaning stress in piglets, and promote the healthy growth of piglets. Especially in the environment with poor feeding conditions, its effect is more obvious.

Promote piglet feeding and increase daily weight gain. Plasma protein powder has a better palatability than other protein sources such as blood meal, fish meal, and milk powder due to a special process. It can significantly increase the palatability of feed and has a certain role in attracting food for piglets, which can effectively increase feed intake.

Improve feed utilization. Plasma protein powder contains a variety of nutrients, its content and digestibility are high, and the palatability is good, which can improve the overall price and balance of feed nutrition for piglets as a whole. Plasma protein powder is rich in various functional proteins and unknown growth factors, which can enhance the digestive function of piglets, increase the secretion of maltase and other digestive enzymes and enzyme activity, and thus can effectively promote the digestion and absorption of nutrients. Improve feed utilization.

Reasonable application of plasma protein powder in feed

Sub-objects are used in stages. Due to the high price of plasma protein powder, the current research and experiments are mostly in piglet feed. Therefore, the main target of plasma protein powder should be piglets. Since the majority of industrialized pigs are weaned at about 4 weeks after their birth, weaning syndromes such as weaning stress, diarrhea, and growth arrest of piglets mainly occur at the early weaning stage, and the main function of plasma protein powder is immunoglobulin activity. Immunological substances. Immunoglobulins and other immune substances are more sensitive to weaned pigs' weaning syndrome and can effectively relieve these symptoms and promote the healthy development of piglets. Therefore, it is better to use plasma protein powder at 1 week to 2 weeks after weaning, and 3 weeks after weaning. - 4 weeks later.

Use qualified preparations. At present, the research on plasma protein powder in China is still in the initial stage, and the processing technology of plasma protein powder is more complicated. Most of the current plasma protein powder preparations are imported from abroad and the quality is relatively reliable. Therefore, the use of plasma protein powder should be based on imported products, and should pay attention to its nutrient content, especially the effective content of immunoglobulin.

The proportion of use should be scientific and reasonable. The price of plasma protein powder is higher, and a reasonable use ratio can maximize the effect and economic benefits. Most recent experiments have shown that it is reasonable to use 5%-10%. From a practical and comprehensive point of view, it is generally appropriate to use plasma protein powder 5%-6% 1 week to 2 weeks after weaning, and the effect and economic benefits are better; 2%-3 weeks after weaning 3 weeks to 4 weeks. % can maintain good results. The actual use should also be flexibly adjusted according to factors such as the use of fishmeal and other protein sources in the formula, the type of plasma protein powder, the type of piglets, the number of weaning days and body weight, and the feeding environment.

Joint use. In order to obtain better feeding results and economic benefits, plasma protein powder should also be used in combination with other substances. The use of plasma protein powder in combination with whey powder or skim milk powder can increase the nutritional value and availability of feed and improve the palatability of feed. The combination of plasma protein powder and antibiotics can increase the resistance of piglets to diseases. Minimize piglet weaning syndrome and improve feed utilization. In short, in the actual application of plasma protein powder, according to the composition of the formula and feeding environment and other conditions, flexible control, and acid preparations, enzyme preparations, synthetic amino acids, antibacterial drugs and other feed additives commonly used piglets to be combined in order to maximize Effect of feed effect.

Since functional proteins such as immunoglobulins in plasma protein powder and unknown growth factors are mostly active substances and are sensitive to factors such as temperature, in addition to maintaining good mixing uniformity in the feed production process, attention should be paid to The temperature of the pellet process cannot be too high. Generally, the temperature of puffing and sieving should not be higher than 80°C so as to avoid protein denaturation and impaired activity and reduce the effect.

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