Summary of 12 ultra-cost-effective ruminant additives (1).
The scientific use of feed additives can effectively increase the output of ruminant products, improve feed utilization, save feed, reduce costs, and achieve the purpose of increasing production and income. The use of feed additives with little investment and large returns is a practical technology and successful experience in the development of ruminant breeding, which is worthy of vigorous promotion and application.
Today, we will introduce the types of ruminant additives and the role of common ruminant feed additives.
1. Yeast cultures and microbial preparations.
Yeast culture was used as a feed additive, which was first used as a protein supplement feed for ruminants, playing a dual role in nutrition and health care. Its nutritional function is mainly to optimize the nutritional value of feed, improve the palatability of feed, and maintain stable feed intake. Improves digestibility and allows animals to absorb more nutrients to boost performance.
The reason why yeast culture has a significant milk-increasing effect on dairy cows is that the metabolites of yeast can promote rumen fermentation, so that ammonia bacteria, protein-synthesizing bacteria and fibrous bacteria can multiply and grow in large quantities, thereby improving the digestibility of crude fiber in feed and the efficiency of bacteria using NPN (non-protein nitrogen) to synthesize bacterial proteins.
Adding a certain amount of microecological agents to the diet of ruminants can not only promote the production of a variety of digestive enzymes in the gastrointestinal tract and improve the feed conversion rate; Balance the microecological flora of the gastrointestinal tract, prevent the invasion of pathogenic bacteria, and also reduce the ammonia odor of animal feces, improve and optimize the ecological environment of animal feeding, and reduce environmental pollution.
2. Special enzyme preparations for ruminants.
The use of enzymes in ruminants is limited by a number of problems. It is certain that the application of enzyme preparations in ruminants is effective. For example, most ruminant feeds contain cellulase and hemicellulase, which vary greatly from commercial enzyme products to commercial enzyme products and depend on the organism and how it grows.
Dahua over the rumen, nutrition is not wasted, ruminant core nutrition technology optimization expert
It is imperative to promote the construction of the application technology system of ruminant enzyme products, and the use of ruminant exogenous enzymes involves six key technical points:
1. Synergistic effect of exogenous enzymes with bacterial enzymes of rumen microorganisms;
2. The relationship between exogenous enzymes and microbial enzymes and host digestive enzymes;
3. Fully consider rumination;
4. The application mode of exogenous enzymes should be segmented before and after the establishment of rumen function;
5. Try to avoid metabolic dysfunction of the digestive tract of ruminants;
6. Research the application of combination enzymes and combination enzymes.
3. Rumen amino acids (lysine, methionine and guanidine acetic acid).
Methionine, as an important limiting amino acid for ruminants, plays a huge role in giving full play to the production potential of animals, alleviating the shortage of protein and feed resources, reducing fecal and urinary nitrogen emissions, and protecting the environment.
Due to the special digestion and metabolic pathways of ruminants, the direct addition of crystalline methionine will rapidly degrade under the action of rumen microorganisms (protozoa, bacteria and fungi) and lose its significant biological efficacy. Therefore, rumen protective methionine has increasingly become a hot spot and focus of research.
The first is to study the metabolic pathways and mechanisms of methionine in animals to further understand the mechanism of methionine on the nutrition, production, and immunity of ruminants;
The second is to further optimize the methionine through rumen technology to facilitate large-scale promotion and application, and explore the coating methods of other restricted amino acids, vitamins and small peptide products on this basis;
The third is to fully study the synergistic effect of adding rumen methionine and rumen lysine, and determine the appropriate amount and proportion of their addition in order to achieve the best use effect;
Fourth, with the research of rumen amino acids as the core, actively carry out the application of low-protein diets for ruminants.
In vivo, ruminants utilize lysine's comprehensive functions including: maintenance, growth (lactating heifers or primiparous cows) reproduction, lactation, and milk protein synthesis.
With rumen-protected lysine products, it is now possible to increase lysine in a more targeted or purposeful way.
Agidine glycolic acid is a precursor of creatine, guanidine glycolic acid can be synthesized by creatine, creatine through phosphorylation to produce phosphocreatine, phosphocreatine can provide energy for cellular activities, play an important role in the body's energy metabolism process, including regulating energy, allowing energy to reach all parts of the body, supplying energy to cells, preventing energy deposition, and forming fat.
However, creatine is mainly found in animal-derived feeds, such as fishmeal or bone meal, and plant-based feeds are severely deficient. Since animal-derived by-products have been banned for use as ruminant feed, this has also limited the intake of creatine in ruminants.
In addition, the daily synthesis of creatine by beef cattle and sheep only accounts for 50%-70% of the body's needs, which is difficult to meet their own needs, so exogenous creatine needs to be supplemented. Creatine itself is very unstable, and we can supplement guanidinoacetic acid, the only precursor of creatine. Over rumen beef cattle breeding
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