1. Understand the physiological characteristics of ducklings Ducklings have three main physiological characteristics: First, rapid growth and development. Second, regulating body temperature is weak and it is difficult to adapt to the external environment. The third is the small size of the digestive organs and weak digestion. 2. Prepare for brooding First of all, we must stock up on fresh, high-quality full-priced feeds. Secondly, the brooding room, feeding equipment and necessary facilities must be fully equipped to ensure that every duckling can eat feed and water. Again, brood chambers, feeding utensils, etc. should be disinfected with 2% caustic soda, dried and rinsed with clean water. Finally, the brooding room is fumigated. 3. Must drink water before eating Ducklings do not have hunger after hatching. After 24 hours after hatching, the young ducks have dry hair. They are lively and active. They often make a buzz and start their activities. food. If the ducklings are mentally tired and their eyes are half-opened and half-closed, they are reluctant to exercise and this time has exceeded their open time. Ducklings eat too early, it is easy to damage the digestive organs, affecting the health of ducklings; eat too late, the nutritional supply is not conducive to growth and development. Therefore, the best time for ducklings to eat is between 14 and 24 hours after hatching. Drink water first and eat again. Adding a proper amount of glucose or vitamin C in drinking water can promote gastrointestinal motility, clear the stomach, promote metabolism, accelerate absorption of remaining yolk, increase appetite, and enhance physical fitness. If you add 1 ton of potassium permanganate in drinking water, you can also play gastrointestinal disinfection. 4. Grasp the feeding method and times Duckling's digestive function is not perfect, so when feeding ducklings, each should not be too much, only to feed six or seven percent full, if a fed too full, easy to cause indigestion, young ducklings gastrointestinal volume is small, and digestion speed Fast, if the number of feedings is too small, the ducklings will be starved for a long time, which will affect the growth and development of the ducklings. Ducklings within 14 days of age were able to reach the duodenum in 5 minutes when they ate freely, started defecation in 2 hours, emptyed in 4 hours, and fed more than 4 hours in intervals. Ducklings Starved. In general, the smaller the ducklings, the lower the food intake and the greater the number of feedings. In the early brooding period, it is necessary to feed less, feed more ingredients, feed 6 to 8 times daily, and feed 1 to 2 times of night meal to promote duckling activity. 5. Effectively improve insulation The temperature is the main technical measure for brooding ducks. Only the temperature is suitable, the ducklings consume less body heat, the growth and development are fast, and the survival rate is high. 1 to 3 days old 34 to 32°C, 4 to 6 days old 30 to 28°C, 7 to 10 days old 26 to 24°C, and 11 to 13 days old 22 to 20°C. The temperature gradually decreases and the temperature does not change by more than 2°C per day. To raise or lower the temperature under different climatic conditions, the behavior of the duckling should prevail, and the response of the duckling to the optimal temperature requirement should be satisfied as much as possible. If the temperature of the duck is low, the ducklings will be afraid of the cold and will get close to the heat source and get warm to each other, often resulting in crushing or suffocation. When the temperature is too high, the ducklings keep away from heat, open their mouths, and increase their drinking capacity. When the temperature is normal, the young Ducks are full of spirit, lively, with good appetite, moderate drinking water, light hair, stretched legs, uniform distribution, silent sleep, eating, drinking, and excretion are normal. 6. Breeding density and grouping The breeding density of ducklings should be appropriate. If the breeding density is too high, the duck house will be damp and the air will be polluted. This will result in poor growth of ducklings and other consequences. If the density is too small, the resources such as space and manpower will be wasted and the benefit will be reduced. The reasonable density for online brooding is: 1 to 7 days old 25 to 30 birds/square meter, 8 to 14 days old 15 to 25 birds/square meter, 15 to 21 days old 10 to 15 birds/square meter, 22 to 28 days of age 8-10/m2. Ground brood density should be reduced by a factor of two. At the same time, pay attention to the greater density in winter and the summer density can be smaller. Grouping: Each group of 200 to 300 birds are bred in groups. At the same time, ducklings, weak ducks, and sick ducks are singled out and carefully managed. 7. Ensure ventilation Ducklings have a strong metabolism. Excessive concentrations of carbon dioxide and excrement from ducks and harmful gases such as ammonia gas and hydrogen sulfide produced from decomposition of residues will harm ducklings' health. In severe cases, ducklings will suffer from ammonia poisoning and a large number of deaths. Therefore, it is necessary to maintain the air circulation in the brooding room at any time, maintain proper ventilation, maintain fresh indoor air, eliminate excess indoor moisture, keep the duck house dry and clean, and improve the living environment of the ducks, so as to promote the healthy and rapid growth of the ducks. 8. Do a good job of preventing and controlling diseases It is forbidden to introduce ducklings from affected areas. (1) Do a good job of disinfection. Pay attention to the disinfection of the duck canopy and the environment, as well as the scrubbing and disinfection of feed troughs and drinking fountains, and select 2 to 3 different disinfectants to be used alternately to prevent bacteria from producing drug resistance. (2) Preventive medications. Focus on the prevention of Salmonella, Escherichia coli, and mycoplasma disease in ducklings. Use antibiotics for prevention from 1 to 7 days, but use sensitive drugs. (3) Disease prevention. Prepare duck plague, duck viral hepatitis, duck infectious serositis, and bird flu vaccine immunization. When injecting vaccines, add electrolytic multi-dimensional or vitamin C powdered spices. Antibiotics should be stopped for 1 to 2 days before and after injection.
Intestinal localization was administered to reduce adverse effects.
Targeted site-specific release:
Two hours in gastric juice will not disintegrate or crack, dissolve within thirty minutes of disintegrating juice, providing a perfect solution for protein and peptide drugs and probiotics.
Enteric coated gelatin hollow capsule is made of gelatin and enteric coating material in gastric juice it will not collapse, but will release in the intestines as a collapse of a target product . It is often used for special packaging of drugs and health cae products which are irritating to the stomach or unstable under acid, or dissolved and effected in the intestine.
Intestinal location administration can improve the efficacy of drugs, reduce the dose and the adverse reaction, brings the convenience to patients. Moreover , it can avoid the degradation of gral protein, polypeptide or health care products and provide the best absorption sites for them.
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