First, insulation and epidemic prevention: winter disease factors often cause uneven growth of ducks, mainly to do a good job in the insulation of ducklings. Three days before brooding, the temperature must be kept above 30°C to ensure complete absorption of the yolk of the ducklings and there will be fewer rearing issues. Ducklings need to adapt to the temperature step by step, can not be directly blown by the north wind, the temperature in the evening shed must be higher than the daytime temperature. If the duck house seal is too strict, it will lead to an excessive concentration of ammonia in the house, and it will be more likely to cause respiratory diseases.
Second, the effective defense against feathers: the weather is dry in winter, when the online breeding of feathers phenomenon is more obvious, because it can not block the wind, the north wind directly to the ducks, so that the stress caused by excessive heavy feathers. The problem of litter has also had a greater impact. In practice, it has been proven that wood lice are significantly more effective than bedding wood as a litter. An effective way to solve the phenomenon of plume feathers: After all the animals are changed to the ground, the duck houses should be ventilated during the day, windshields should be put down at night, and wind equipment should be used to reduce stress, which can effectively reduce the occurrence of plume.
Third, to strengthen litter management: Captive breeding ducks in the cold winter to prevent litter too little, too thin, too dirty, too wet. Because the breeding site is moist and muddy, the sheds are too thin or there is no material at all, eventually causing the ducks to sleep on the cold ground or on the soiled excrement. This not only affects the weight gain, but also the duck's chest and abdomen. Feathers can easily fall off and reduce the economic benefits of ducks.
4. Artificial illumination: Due to the short growth cycle of ducks in winter, long breeding time will increase the cost of breeding. Therefore, it is necessary to work hard on the growth of feathers in winter ducks. The time, intensity, and intake of light elements are closely related to the growth of feathers. In winter, the natural lighting conditions are poor and the time is short, which often results in the slow growth of duck feathers. Therefore, in the winter duckling process, artificial light must be used. The light is filled for 24 hours, and the lights in winter must be sufficient and uniform. The last is to feed the trace elements that promote feather growth after 20 days of age.
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