Ducks increase efficiency and strictly observe "five laws"
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Diurnal variation of ducks' feed intake. Under natural light, the duck population has three climaxes in the morning and one in the morning, at noon, and in the evening. Strengthen early feeding: Ducks have an especially strong appetite at dawn. Feeding and feeding well at this time can make ducks grow their fleshy meat particularly quickly. Timing grazing: Grazing should be carried out at 3 peaks of early, middle, and late feeding of ducks. At other times, the ducks are allowed to rest or rush into the water. For drinking water or feeding, it is best to schedule the peak period of duck feeding.
Diurnal variation of duck egg production According to reports, egg ducks mainly concentrate on eggs from midnight to before dawn, and usually do not produce eggs during the day. To increase the egg production rate, you should:
Turn off the lights at 10 o'clock at night and stop the lighting to ensure that the ducks lay eggs in a quiet environment between 1 and 4 o'clock the next day.
It was found that ducks generally lay eggs later than 5 o'clock, and the number of eggs is small, indicating that the concentrates in their diets are insufficient, and the fine materials should be increased in time according to standards.
If a duck lays eggs during the day, it is mostly due to a single feed, lack of nutrition, premature grazing in the morning, or high temperatures in the duck house, high humidity and other harsh environments. It is necessary to improve the feeding and management conditions in a targeted manner and temporarily postpone the daily grazing time of the ducks (8 o'clock).
Diurnal variation of breeder duck mating It has been reported that mating ducks are generally selected in the morning or evening and are carried out over vast water surfaces. Therefore, it is necessary to make full use of the peak of mating ducks in the morning and evening to drive them to deeper waters in order to increase the fertilization rate of breeding eggs.
The day-to-night variation of the disease during the illness is due to the onset of the disease every day during the afternoon (5 to 7 o'clock). During the onset of the disease, the ducks became turbulent and quickly piled up, resulting in some weak ducks being trampled to death. The mortality rate was 17% to 24%. The disease is due to transport stress, so all kinds of stress before and after long-distance transportation of ducks should be minimized. Within a few days after the ducks were transported, anti-stress medications were added to the diet 1 hour to 2 hours before each day of the day in order to stop the disease in time.
Immune responses to diurnal changes in the law of poultry immunity to vaccines (vaccine, bacterins, etc.) sensitivity was cyclical changes day and night, poor daytime sensitivity, immune response dull; at night close to the early morning, the highest secretion of adrenaline, the immune response is most sensitive . Therefore, the immunization of poultry (including ducks, geese, and chickens) works well in the early morning hours.