貉 Feed preparation technology
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1. Grain gelatinization and gelatinization, also known as ripening, refer to the physical and chemical changes that occur in starches in grains after water and heat treatment. Gelatinization can destroy the crystalline structure of starch, break the short branches of amylopectin, and increase the digestibility of starch. At the same time, gelatinization can also increase the palatability of cereals.
The usual methods for gelatinization are puffing, roasting and cooking.
Extruding method: It is a method that uses high temperature and high pressure to extrude, and the instantaneous pressure suddenly decreases during extrusion to expand cereal grains and destroy the crystalline structure of starch. This method works best, but the one-time investment and operating costs of the extruder are higher.
Bake rice method: cereals in the frying pan roasting, or microwave, infrared heating and gelatinization method for a certain period of time. This method is more economical but should pay attention to the heating time and master the gelatinization standard.
Cooking method: This method is more suitable for the preparation of fresh feed.
2. Fine comminution of raw materials All kinds of granular raw materials are required to be finely crushed before they can be used for the preparation of dry feed. Generally less than 2mm? Processing process as shown below. Ingredients - gelatinization - fine pulverization mixing kk-fat addition k-finished foods feed processing technology amino acids, etc.) kkk H First of all sample raw materials meet the health standards, the main ingredients in the grain after maturation fine Crushing into storage bins, pods and other raw materials can be finely crushed. Fishmeal, yeast and other fine raw materials can be directly weighed and lifted into the mixer. Add premixes containing various vitamins, trace elements, amino acids, antibacterial agents, and antioxidants from the mouth of the material. After mixing, add fat and mix the ingredients to the finished product.
(2) The processing of fresh grain will modulate the processing and modulation of fresh grain, which will directly affect its palatability and nutritional value. Therefore, its modulation method is a very important task in raising the field.
1. Pre-treatment of raw materials Fresh animal feed ingredients: Prior to processing and modulation, quality and hygiene identification are required to prevent corrupted feed input and processing. The fresh animal feed is fully washed to remove excess fat from the meat, along with various by-products cooked at high temperatures and then cooled for later use. The fish feed is thawed first, and the washed surface mucus is steamed. Vegetable vegetable feed can be used after it is modified before being mixed. Potassium permanganate solution was disinfected and washed for later use. The plant feeds such as corn, sorghum, and soybean meal are finely crushed and then weighed according to the formula. The mixture is mixed with water and steamed to make the head, but it is ready for use.
2. Twist the various raw materials prepared according to the feed sheet and use a meat grinder to wring. The boring holes of the stranded feed should not be too fine, and a 5 to 8 mm boring hole is good. Add water or grind milk to the side of the skein, and mix well in a large iron trough or pan.
Fresh feeds are easy to corrupt and change quality, they should not be placed for too long after modulation, and they must be fed in time.
Feeding Techniques (1) The term "bred" refers to the period from birth to maturity of the pups, which is generally June to October. At this stage, the pups experienced birth and 45-day weaning and two stress processes. Rapid growth and development. Its weight standard.貉 Weight Standard Unit: Kilograms â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â” Age Sex ───────── ─────────────────────────────────────────────── ─────── The public 1.0 to 5.0 and above 6.5-7.1 The mother 0.8 to above 4.5 5.5 to 6.5 â”â”â”â”â”â”
1. Pay attention to the silence on the scene and try to reduce the chances of visiting and catching youngsters to prevent maternal nevus feeding.
2. Divide fossa in 45 to 50 days in a timely manner. If the pups are well-developed, they can be divided into nests at one time; if they are underdeveloped, they can be divided into nests. After splitting the litter, 2 or 3 can be kept in captivity or in captivity, gradually transitioning to single-cage rearing.
3. Hygienic management and epidemic prevention This period coincides with the high temperature season. Food stomach spoils and it is easy to breed gastrointestinal diseases. Attention should be paid to the prevention of disease and disease prevention, and ensure that drinking water is sufficient. Special care must be taken to ensure the cleanliness of the utensils and cages. And in the feed plus chlortetracycline, oxytetracycline and other antibacterial drugs.
Do not feed hard and keep feed fresh. Feed early in the morning and late at night, try to avoid feeding at high temperatures, and wash the utensils in time.
From April to October, the young cubs have basically grown to mature weight. After the selective breeding, the pheasants and the pelicans should be raised separately and treated differently.
(b) The long hair period is generally a period of 10 to 12 months. This period mainly pays attention to the quality management of fur.
1. Breeding quail and pelicans separately. The pimple can be used to feed more feeds with high fat content or sulfurous amino acids, such as blood meal, feather meal, pox pork, etc. The feed can be larger to increase the size of the skin and increase the luster.
2. The breeding system of the species has begun to develop, and attention should be paid to controlling the body condition to prevent overweight and obesity so as to ensure the normal reproduction rate.
3. Strengthen hygiene management of pets and reduce the pollution of abrasion, feces, and materials on the coat.
(3) The breeding period includes the preparation period for breeding (from October to January), the breeding period (from February to April) and the pregnancy period (from April to June).
1, body condition adjustment from the middle of December, the beginning of the year, the type of fat is too fat to reduce feed and dietary fat content, increase exercise to reduce body fat deposition. The lean pods need to increase their feed intake or strengthen dietary nutrition, and adjust their body condition to the upper middle level. Male weight control 6.5-7.0 kg, female weight control 5.5 to 6.5 kg.
2, supplement nutritional supplements VA, VE, VD, etc., should be about double the normal level. In the first half of the breeding season, the male broiler feeds beef and liver and other high-quality fresh animal feeds to ensure vigorous breeding.
3. Grasping opportunities and timely mating animals that are seasonal estrus in one season must be observed and tested; prevention of missed matches and timely mating.
4, attention to the scene during pregnancy quiet, small room insulation. Pregnancy needs to control nutrition and prevent mother-in-law from being overweight. Late pregnancy requires an appropriate increase in nutrient supply. During pregnancy, it is forbidden to feed feeds with high levels of hormones, such as meat from dead animals, placenta of animals, breasts, kidneys with adrenal glands, trachea with thyroid glands and parathyroid glands, and tails of chickens. If you do not pay attention, it may cause a large number of abortions and bring serious losses to production.
(D) The lactation period is a period from May to June. Its central task is to ensure that Tsai's survival and normal growth and development.
1. During the farrowing period, keep quiet. When the breeder is inspecting the beheader, he must first wipe his hands with a bedding to prevent any odors from being introduced, causing the mother to feed on her baby.
2, strengthen the mother animal nutrition, supplement a certain amount of dairy products, eggs and other nutritious, easily digestible animal feed.
The wolfberry dry feed is warm water that is three times the dry feed, and then it is added that a certain percentage of fresh feed is mixed and fed.