With the acceleration of the rhythm of modern life, the advancement of a civilized and harmonious society, the continuous improvement of the quality of life concepts, and the health and safety of animal-originated foods have caused national and social attention. The scientific hygiene and food safety of the pig industry also arouse consumers' attention. Not only does it require constant improvement and improvement of the pig-raising facilities, but it also demands the standardization of the pig's living environment and sanitation. Additives such as Chinese herbal medicines - Astragalus membranaceus, Ginkgo biloba, probiotics such as probiotics, chlorella, double bacillus, Bacitracin zinc, oligo, biologically active oligopeptide sugars, yeast powder, etc., are used to prevent drug residues. To achieve pollution-free, pollution-free and environmentally safe breeding. The use of micro-ecological agents to improve pig production, food safety and hygiene protection. It is necessary for the industry to keep abreast of the constant learning and renewal of feeding technology, and to scientifically grasp and apply the technology for adding pig feed medicines. The main points to master the following points.
1. The principle of piglet feed additives
The growth rate of piglets depends on the nutrition of the feed. Nutrition is the material basis for the growth of pigs. According to the functional needs of the nutrition, it should be divided into five categories. What is lacking will cause the growth of the piglets to slow down or become ill, and serious causes death. Therefore, it is crucial to attach importance to the type, quality, and management of feeds. How to choose the feed and drug additives is the key to promote the growth of piglets, specifically the addition of 1-3% of the antioxidant oil, broad-spectrum antimicrobial antibacterial and anti-parasitic, probiotic bacitracin zinc promote growth. Strictly according to the growth phase of feeding the standard collocation feed, scientific pig raising is to manage the pig's life in several stages. The piglet stage uses piglet feed. The feed of the weaned piglets is characterized by odor, and can be added with egg acid and lysine, or fried For cooked soy and soy flour, pepsin should be added due to lack of digestive fluid. The feed for shelf pigs is characterized by salty taste and can be added with fishmeal. Sows can add sugar, yeast, and other feeds, help digestion can also increase appetite, promote transformation, grow faster.
2. The characteristics of commonly used drug additives in piglets
Oils and fats have a wide range of sources. There are many kinds of oils and fats used in feeds, and they are also fixed ingredients contained in feeds. The difference is in the amount of oil contained. For cake feeds such as bean cakes, peanut cakes, cottonseed cakes and sunflower cakes, the amount of oily substances varies. At least between 3% and 8%, the formulation feed should be adapted to the ratio of added vitamins, and it is too high to cause rancidity. Especially in the high summer temperatures, the effect of rancidity is great to prevent the oxidation process. Addition of oils and fats in feeds can increase feed utilization, especially for the use of piglets after weaning. It is more appropriate to improve the taste of piglets and promote the appetite of piglets. It is an additive that must be added to feed for piglets. If it lacks fat, it will cause The lack of essential fatty acids will lead to the lack of fat-soluble vitamins, such as VA, VD, VE, and VK. These four essential vitamins are fat-soluble vitamins that cannot be synthesized in piglets. Fast, gross body fat, increasing appetite. If it is not enough, there will be deficiency symptoms like loss of appetite, indigestion and slow growth. Seriously it can become froze or cause death.
3. Antibiotics: There are many types of antibiotics. There is a broad spectrum of oxytetracyclines and sulphonamides used in feed for piglets. They are often used for the prevention of indigestive enteritis, chronic parasites, and for promoting growth and fattening. In view of damage to the kidneys, residues in the meat, and damage to meat eaters, the Ministry of Agriculture has already imposed restrictions on the use of antibacterial food safety standards. 109 new standards have been formulated and revised, including national standards for food safety such as contaminants, pathogenic bacteria and pesticide residue limits in foods, the use of food additives, and general food hygiene standards for food production, and related food standards, and hygiene during production and operation processes. Requirements and supporting inspection methods to limit applications. Scientific experiments have shown that adding Chinese herbal medicines can replace antibiotics to inhibit bacteria, promote growth and prevent infectious diseases. The piglet stage controls infectious diseases, and there is no need to worry about growing up to the fattening stage.
4. Micro-ecology: It is mainly a beneficial flora of the intestine, containing polypeptides, enzymes, purines, amino acid vitamins and minerals. It is an ideal additive that can replace protein without drug residue. Such as probiotics, diterpenoids, Bacillus subtilis, yeasts, rare earthworms. Due to the fast growth of piglets, the need for complete nutrition, and the low number of microbes in the intestine, it is necessary to supplement them from the outside world. Most farmers use feed yeast and probiotics. Chlorella is now popular. Chlorella is a new high-tech additive. Chlorella has characteristics such as heat resistance, acid resistance, and antibiotic resistance. It is very suitable for piglets to add feed to pigs. It is rich in protein essential amino acids. Chlorella is used and added in the same way as prebiotics and used as a feed.
5. Chinese Herbal Medicine Additives: There are many kinds of Chinese herbal medicines used to feed pigs, mainly supplemented with replenishing qi and eliciting long qi. The replenishing medium-invigorating and qi-boosting methods mainly include radix scutellariae, angelica, tangerine peel and pumpkin seeds. The herbs in this formula are widely available. The price is low, and the body thin piglets have the effect of repelling insects and promoting the growth of blood circulation and bowel movements. The effect is particularly obvious. There are a lot of large pig farmers in this town that use this method. Piglets do not grow fast, and the benefits are high.
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