The habits of ducks alternate between day and night. Affected by this, some of the duck's habits have also produced a circadian variation law that is compatible with it. If we can adapt to this changing law of ducks and implement regular and scientific feeding, we can raise and manage ducks, reduce feeding costs, effectively increase the egg production rate of ducks and ducks, and increase the weight gain rate of meat ducks, thereby improving the raising efficiency. .
1. Day-night variation pattern of duck feeding In natural light, the ducks have 3 ornithmic feeds during the day and night, respectively, in the morning, at noon, and in the evening. According to this, in the rearing management should be:
1, to strengthen early feeding. The ducks have a particularly strong appetite at dawn. Feeding and feeding them at this time can make the ducks more productive and the meat ducks grow faster.
2, timing grazing. Grazing should be carried out when the duck feeds three or three times during the early, middle and late nights. At other times, the ducks should rest or drive the ducks into the water. If you need to drink water or feed, it is best to schedule the duck to eat peak.
Second, ducks, eggs, day and night changes in the law Under normal circumstances, ducks, egg production mainly after midnight to dawn before this time, usually not in the daytime eggs. Therefore, to raise the duck's egg production rate should be:
1. Turn off the lights on time at 10:00 pm and stop lighting to ensure that the ducks lay eggs in a quiet environment from 1 to 4 the next day.
2. If it is found that ducks generally produce eggs later than 5 o'clock, and the number of eggs is small, it indicates that there is a shortage of concentrate in the diet, and it is necessary to increase the fine material in time according to the standard.
3. If ducks lay eggs during the day, they are mostly due to a single feed, lack of nutrients, premature grazing in the morning or high temperatures in the duck houses, high humidity and other harsh environments. The feeding and management conditions should be improved in a targeted manner and the ducks should be postponed for a while each morning (8 o'clock).
Third, the duck's day and night changes in the law of mating In general, breeder ducks generally choose to do in the morning or evening the vast water surface. Therefore, in the peak of mating in the morning or evening of breeding ducks, they should be rushed to deeper waters to increase the fertility rate of breeding ducks.
Fourth, the circadian rhythm of the disease during the day and night when the disease changes is due to the disease every day in the afternoon (17 to 19 o'clock) named after the disease. During the onset of the disease, the ducks became turbulent and quickly piled up, resulting in some weak ducks being trampled to death. The death rate often reached about 20%. The disease is due to stress caused by transportation. Therefore, all kinds of stress before and after long distance transportation of ducks should be reduced. Within a few days after the ducks were shipped, anti-stress medications were added to the diet 1 to 2 hours before each day of the day in order to stop the disease in time.
V. Circadian rule of immune response According to practical measurements, the sensitivity of poultry to immune agents (vaccines, bacterins, etc.) is cyclically changed day and night, with poor daytime sensitivity and dullness of immune response; at night close to midnight, adrenal glands The secretory hormone is the most abundant and the immune response is most sensitive. Therefore, the immunity of poultry (including ducks, geese, and chickens) works best in the early morning hours. There are two specific benefits:
1. Poultry stopped activities at night, it is easy to catch, and the stress response is small.
2. Inoculation at the best time of day (in the wee hours of the day) in the immune response of poultry can make it faster and better to produce immunity.
1. Day-night variation pattern of duck feeding In natural light, the ducks have 3 ornithmic feeds during the day and night, respectively, in the morning, at noon, and in the evening. According to this, in the rearing management should be:
1, to strengthen early feeding. The ducks have a particularly strong appetite at dawn. Feeding and feeding them at this time can make the ducks more productive and the meat ducks grow faster.
2, timing grazing. Grazing should be carried out when the duck feeds three or three times during the early, middle and late nights. At other times, the ducks should rest or drive the ducks into the water. If you need to drink water or feed, it is best to schedule the duck to eat peak.
Second, ducks, eggs, day and night changes in the law Under normal circumstances, ducks, egg production mainly after midnight to dawn before this time, usually not in the daytime eggs. Therefore, to raise the duck's egg production rate should be:
1. Turn off the lights on time at 10:00 pm and stop lighting to ensure that the ducks lay eggs in a quiet environment from 1 to 4 the next day.
2. If it is found that ducks generally produce eggs later than 5 o'clock, and the number of eggs is small, it indicates that there is a shortage of concentrate in the diet, and it is necessary to increase the fine material in time according to the standard.
3. If ducks lay eggs during the day, they are mostly due to a single feed, lack of nutrients, premature grazing in the morning or high temperatures in the duck houses, high humidity and other harsh environments. The feeding and management conditions should be improved in a targeted manner and the ducks should be postponed for a while each morning (8 o'clock).
Third, the duck's day and night changes in the law of mating In general, breeder ducks generally choose to do in the morning or evening the vast water surface. Therefore, in the peak of mating in the morning or evening of breeding ducks, they should be rushed to deeper waters to increase the fertility rate of breeding ducks.
Fourth, the circadian rhythm of the disease during the day and night when the disease changes is due to the disease every day in the afternoon (17 to 19 o'clock) named after the disease. During the onset of the disease, the ducks became turbulent and quickly piled up, resulting in some weak ducks being trampled to death. The death rate often reached about 20%. The disease is due to stress caused by transportation. Therefore, all kinds of stress before and after long distance transportation of ducks should be reduced. Within a few days after the ducks were shipped, anti-stress medications were added to the diet 1 to 2 hours before each day of the day in order to stop the disease in time.
V. Circadian rule of immune response According to practical measurements, the sensitivity of poultry to immune agents (vaccines, bacterins, etc.) is cyclically changed day and night, with poor daytime sensitivity and dullness of immune response; at night close to midnight, adrenal glands The secretory hormone is the most abundant and the immune response is most sensitive. Therefore, the immunity of poultry (including ducks, geese, and chickens) works best in the early morning hours. There are two specific benefits:
1. Poultry stopped activities at night, it is easy to catch, and the stress response is small.
2. Inoculation at the best time of day (in the wee hours of the day) in the immune response of poultry can make it faster and better to produce immunity.
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