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l. Temperature. The most suitable 28 °C ~ 32 °C, ducklings below 26 °C easy to get together, often died of suffocation. After artificially dispersing the ducklings, it is easy to catch a cold after sweating. After the people go away, the ducks get together and sweat again. As a result, not only the cold ducklings increase, but also the ducklings can easily cause armpits after sweating many times. Form a frozen duck. Beyond 32°C, young ducklings are deprived of energy, eat less, drink plenty of water, block body heat, induce disease, and long-term high temperatures can cause ducklings to die in large numbers. Insulation of young duck houses should follow the following principles: the group size is slightly higher, the group size is slightly lower; the nighttime is slightly higher and the daytime is slightly lower; the weaker and younger species are slightly higher, and the young and youngsters are slightly lower; the winter season is slightly higher and the summer season is slightly lower. Under normal circumstances, the temperature of ducklings at 0 to 7 days of age is about 28°C, and then decreases by 2°C per week with the increase of their age, but the temperature difference between day and night cannot exceed 2°C.
2. Humidity. Ducklings should be kept clean and dry, with the relative humidity of 60% to 70% being the best, and the humidity exceeding 80%. At the same time, when the temperature is uncomfortable, the ducklings will show a lack of energy, loss of appetite, get together, difficulty in breathing, diarrhea, loose hair, etc. Symptoms, prominent performance is armpit hair, when severe, the whole head, neck and back of the ducklings were all lightened, the appearance of the hot water like the same as after pulling. Most of these ducklings are stunted, their viability and resistance to disease are weakened, and they are likely to become frozen ducks in the future. In case of low temperature and high humidity, the harm is severe, and the body heat of the ducklings is rapidly dissipated. It is easy to catch cold, and feed consumption increases. If the humidity is lower than 50%, it is easy to cause respiratory diseases in ducklings, and there are mild dehydration symptoms such as dryness of the toes and lack of energy.
3. Feeding density. Flatland feeding, the first week of age 20 to 25 per square meter, the density of the online flat-raised can be slightly higher. If the density is too high, ducklings may grow unevenly, and diseases such as respiratory tract may occur. When the density is too small, the temperature is not easy to grasp, the utilization rate of the housing is low, and it is economically uneconomical. The rearing density of young ducklings should gradually decrease with the increase of the age, but also depending on the season, and the winter density can be appropriately larger.
4. Grouping. Before the ducklings start boiling water and start eating, they should be grouped for the first time according to the time of hatching and the strength of the physique. Different insulation systems and boiling water should be given. On the second day after eating, according to the feeding condition of the young ducklings, the second time, the young ducks that did not eat or had little food were grouped and fed separately. During the brooding stage, we regularly divide the groups according to their strength and size, and eliminate diseased young people in time. Healthy ducklings are suitable for 100-150 birds per group.
5. Feeding and drinking water. After hatching, the ducklings must ensure that they start eating water within 24 hours. The ducklings have a small gastrointestinal volume and poor digestion. They require good feed quality and easy digestion. Freshly hatched ducklings contain about 75% moisture. If the ducklings are not given water within 24 hours, they will suffer from mental depression, drooping wings, drowsiness, subsidence of the eyeballs, and local skin blemishes due to severe dehydration. Therefore, it is more important for young chicks to supply clean, warm drinking water earlier than feeding, and to ensure 24 hours of water. The size of the trough, the height should be appropriate, the placement should be appropriate to ensure that every duckling can eat and eat well.
6. Harmful gas. Ducklings are very sensitive to harmful gases such as carbon monoxide, carbon dioxide, ammonia, and hydrogen sulfide in the brooding room. Excessive levels of harmful gases can cause ducklings to become depressed, breathe faster, lose appetite, and become uncomfortable. Harmful gas continues to accumulate. The ducklings will have corneal opacities, eyelid edema, tearing, and runny nose. Then the appetite will be eliminated and the movements will be disordered. Finally, the head of the duck will raise its head, breathe, and die. The main reasons for the violation of harmful gases in the homes are high room temperature, poor ventilation, excessive feeding density, wet brooding houses, dirty matting materials and excrement and other organic matter that have not been cleared in time, and no smoke is installed in heating chambers for heating in winter. Road and so on.
7. Squeezing and rodent damage. Unsuitable temperature, shipping bumps, irregular feeds, and excessive density can cause stress and death in ducklings and must be noticed. Rat damage not only causes death and injury to young ducks, but it also causes diseases and harms other livestock and poultry. It must be guarded against, and rat holes must be blocked and doors and windows must be closed.
8. Vaccination. Since the purchased ducklings lack maternal antibodies, they should be vaccinated in a timely manner after attenuated freeze-dried vaccines for ducks, ducklings and viral hepatitis vaccines. And often clean the site, replace the litter, keep the brooding room clean and dry, clean the feeding trough and drinking fountain every day, and sterilize the brooding environment.
9. Use the drug correctly. After the onset of the duck group, the animal hospital should be promptly instructed to treat the disease and the ducks should be reared in groups for rational use.
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Ducklings should be strengthened
Ducklings are sparsely villous, have a delicate body, poor body temperature regulation, poor digestive function, poor adaptability to the external environment, and poor disease resistance. They must be strengthened in the following aspects, or they may easily cause morbidity and mortality.