Great assistant in egg production

  egg production and eggshell quality Egg and Poultry production has been an important measure, many people want to extend the period of laying the egg birds, and often want to discuss laying birds of every feather The egg production has increased to 500, so the intestinal health of the laying poultry is becoming more and more important in production. In terms of energy consumption and stress, laying hens is a arduous process. The formation of eggs is a complex biological process. First, the yolk is released from the ovary, passes through the funnel, where the yolk forms an outer vitelline membrane, and then comes to the enlarged part of the secretory protein. Then the egg yolk wrapped in thick protein enters the isthmus, where it forms the precursor of the shell membrane. The wrapped egg yolk enters the uterus (the shell gland) (the egg yolk stays here most of the time from ovulation to laying). This is the part where the eggshell is formed, which consists of the nipple layer, the fence layer and the transitional vertical crystal layer. Before laying eggs, a stratum corneum (a protein antibacterial layer) is also formed on the outermost layer. The egg shell is mainly composed of calcium carbonate and protein, which exerts the greatest protective effect.
  1 eggshell improve the quality of
  precise definition of what is “eggshell quality” is necessary. Generally speaking, high-quality eggshells should not be easy to crack. The more such eggs, the fewer the number of secondary eggs. However, increasing the thickness of the eggshell does not necessarily improve the quality of the eggshell, because the structure of the eggshell is also crucial. A variety of enzymes and minerals are involved in the formation of eggshell structure, and the mineral needs of poultry need to be met by diet supplements. After these substances are digested (different structures in different digestion methods), they are absorbed into the small intestine through receptors. If the bioavailability of minerals in the diet and the concentration of minerals in the intestinal lumen are not optimal, then the poultry will not have enough minerals to lay eggs.
  One way to ensure the best bioavailability of minerals is to use organic chelated minerals in the diet. A number of studies have shown that they are beneficial to the production performance of laying hens and eggshell quality. Calcium is an important mineral component in eggshells and exists in the form of calcium carbonate. It is generally believed that increasing the calcium content of the diet will produce a harder eggshell. However, we also need to consider a good balance of nutritional formula. After calcium is dissolved in the gastrointestinal system, it will interact with other minerals and reduce the absorption of other minerals. This in turn will directly affect other components of the egg and reduce its quality.
  For a hen to absorb minerals effectively, it must have a healthy intestine. 50% to 80% of the immune system functions through the intestine in some way. Such a high level of immunity means that the defense system can easily react to actual challenges and things that may cause reactions that shouldn’t be caused. The immune response of the intestine usually occurs in the form of inflammation, that is, the production of an extra layer of mucus. Before minerals are absorbed, mucus provides an additional barrier. That is to say, if poultry has an inflammatory response, they are unlikely to meet all the body’s mineral requirements, which will affect the structure of the eggshell, which in turn will affect the strength and quality of the eggshell. Many factors can induce an immune response, such as mycotoxins, new diets, and high levels of potentially pathogenic bacteria (i.e. flora disorders). Having a balanced microbiota (the microbial population in the intestines) is very helpful in preventing microflora disorders. Many studies have shown that it helps to regulate the immune system and reduce the impact on the absorption process.
  In the natural environment, because the chicks grow in the nest, the microbiota in their intestines comes from the hen. This situation does not occur in modern production systems, so the creation and maintenance of microbial communities needs to be considered in management practices. Many manufacturers have implemented Alltech’s “Seed, Feed, Weed” program to manage the composition of the gut microbiota, thus successfully improving the gut health and microbiota of poultry. This includes accelerating the evolution of the microbiota to a steady state and then maintaining the status quo. Inoculating the intestines with beneficial microorganisms, feeding beneficial microorganisms and removing unfavorable microorganisms, will help improve the quality of eggshells.
  Excessive calcium levels can also seriously affect intestinal health. In an aqueous solution, calcium is alkaline and can neutralize the acid produced by the glandular stomach and muscular stomach. These acids are the first step in protein digestion. If stomach function is impaired, protein may enter the small intestine. Bacteria in the intestine can use it as a fermentation substrate, resulting in ecological disorders and related problems.
  2 intestinal health, in order to achieve a healthier and longer laying cycle
  under natural conditions, hens can lay eggs for many years. But its peak egg production will naturally decrease with age. In recent years, breed improvements have enabled poultry to lay about one egg per day from the 18th week to the 75th week of age. However, due to the strong demand for large eggs at the end of laying, in some cases, the laying cycle will be extended to 80 weeks or even longer. The extension of the laying period will bring greater stress to the poultry, because it must produce a metabolically rich egg, while maintaining weight, and dealing with any other challenges in the environment that may affect the immune system.
  It is worth noting that if the energy requirements of poultry are not met, the body will shut down the reproductive system function of laying eggs at a certain point to maintain its weight and provide energy for important body systems. Maintaining and promoting the intestinal health of chickens can increase the height of intestinal villi and reduce the ratio of villus height to crypt depth, and improve the tight junctions between cells. Therefore, as discussed above, certain intestinal health additives can help maintain immune function and improve the function of certain factors such as those involved in villi development. The increase in the height of the intestinal villi can increase the intestinal surface area of ​​the chicken and absorb more nutrients to maintain the hen’s longer laying cycle. Improving tight junctions can prevent bacteria from entering the blood. This is a common problem in poultry under stress and can cause a variety of problems-in the worst case, it can lead to diseases such as E. coli sepsis. Diseases caused by dysbiosis and mild inflammation in the intestine can cause the immune system to consume energy, which affects the hens to convert this energy into eggs.
  3 Conclusion
  As mentioned earlier, egg producers are under pressure. They are looking for ways to help poultry produce more eggs. Improving the intestinal health of poultry allows them to absorb more feed, which means less waste through feces. High-quality feed can help laying hens produce high-quality eggs, but the best results are always accompanied by good intestinal health. If the poultry cannot absorb the necessary nutrients, the production of eggs will be impaired. A number of studies investigating the impact of improving intestinal health on egg production have shown that a healthy intestine is good for eggshell strength, egg weight and feed conversion rate.