Duck ducks "falling eggs" refers to female ducks raised in the spring and enter the egg production period from November, when the temperature gradually cools, the temperature difference between day and night is too large or due to lack of nutrition, resulting in egg laying ducks will stop eggs " Vacation." If the ducklings "fall their eggs," they will begin to change their hair, and it will take until next spring to produce eggs. If the ducks can be controlled to "fall eggs" during this period, the egg production period can be greatly extended and the economic benefits of raising ducks can be improved. When the individual egg of the duck becomes smaller, the shell of the egg becomes thinner, the egg production time is delayed, the water is awkward, and the feathers on the shore are wet, that is, the symptoms of “falling eggs†are found in the duck house. The following measures should be taken in time: Adjust the duck group. In the early winter, the old, weak, sick, and disabled ducks in the duck group were eliminated in time, leaving the mother ducks with good production performance and robust physique. At the same time, it is appropriate to provide some more ducks, so that they can chase each other and increase the amount of ducks. Feed protein feeds. Appropriately increase the proportion of corn, broad beans and bean cakes, control the feed intake of ducks, and increase feed nutrient concentration. Keep warm and cold. The holes in the duck shed should be plugged, the doors and windows should be hung with straw curtains, and the floor of the shed should be covered with thick dry grass, straw and other objects to ensure that the duck's abdomen is free from cold. At the same time, we must also pay attention to the relevant health and epidemic prevention work to ensure the health of ducks and ducks. Add light. Egg laying requires 16 hours of light each day during the egg production period, and winter is short and long, and light illumination is insufficient. Therefore, 40-60 watt bulbs (one for every 20 square meters) should be installed in the duck shed. The bulb should be 2 meters high from the duck's back and be covered with a lampshade so that the light can be concentrated on the duck body. The light should be evenly distributed every night. Follow 3-4 hours. "Catch shed." "Catch sheds" can enhance the cold resistance and digestive ability of ducks and prevent the ducks from stopping production. The practice is to gently sip ducks in the duck shed to start, slowly in the same direction to do a circular motion, usually around 4-5 laps every 1 hour rushed 1 time per day can catch 2-3 times. Especially before catching ducks, they should also “catch shedsâ€. When more than 80% of the ducks crowed loudly, ducks can be put into the open water to improve the ability of ducks to adapt to temperatures and water temperatures outside the shed. Add cod liver oil. Because cod liver oil is rich in vitamins A and D, it is beneficial to enhance duck immunity and stabilize egg production. Specific feeding method: Feed 1 ml of duck per day, mix the cod liver oil in 1.5 kg of bran, mix well in the feed, feed 3–5 days later, if the eggs are normal, feather light can be stopped and eat frequently. It will affect economic efficiency.
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