Nowadays, the domestic ducks that people raise are made by artificial domestication and breeding of wild ducks. They still maintain biological characteristics that are sensitive to environmental stress conditions. Among them, duck ducks are much more sensitive than ducks.
Causes Environmental stress factors (temperature, sound, etc.) have a direct impact on the growth of laying ducks, especially mid-season laying ducks are more environmentally sensitive and experience varying degrees of stress, which can cause varying degrees of nervous tension. , Endocrine disorders, eating, drinking, exercise and other abnormal behavior and cause metabolic disorders, resulting in decreased egg production or even stop production. On summer rainy days, especially the intense stress caused by thunderstorms, it is more likely to cause abnormal reactions.
Measure
First, do not allow the ducks to rain, keep the ducks in a dry, well-paved, well-ventilated area and do a good job of ventilation;
Second, there must be appropriate lighting in the house to prevent dark stress, and maintain a proper breeding density to prevent crowding stress;
Third, the behavior of the husbandry and management personnel must be light and stable. It is forbidden for strangers and animals to enter the house to prevent alarming ducks.
Fourth, in the feed properly add vitamin E, vitamin C, to ease the stress response.
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