The skill of "four looks" in the feeding of Egg Duck

It can be seen that the laying rate of weight ducks is more than 80%, while the weight of ducks tends to lose slightly, so animal feed should be added at an appropriate time. Ducks gain weight and tend to get fat, but when the laying rate is still 80%, roughage and green feed can be fed appropriately, or ducks will not be allowed to eat too much concentrate by controlling their feed intake, but animal protein feed should be maintained at the original level or slightly increased. The body weight is normal, the egg laying rate is also high, the protein level in the feed is slightly higher than the previous stage, the egg laying rate is reduced to 60%, and it is difficult to pick up, there is no need to feed.

Second, the feces of ducks are thick, soft, strip-shaped and glossy, which can be divided into several sections after gently poking with their feet, indicating that the mix of fine, coarse and green materials is reasonable. The feces are small and strong, the color is black, and the cross section after dialing is granular, indicating that the amount of concentrate feed is too much, the amount of green feed is less, and the digestion and absorption is not normal. The dung color is light and shapeless, and it will spread out as soon as it is discharged, indicating that the concentrate feed is insufficient and the nutrition level is low, so the concentrate should be fed. Faeces are yellowish white or grayish green, with a foul smell, indicating that the duck is sick and should be treated in isolation.

Third, if the egg shape is abnormal and small, which means that the nutrition is insufficient, it is necessary to add protein-rich feed such as bean cake, peanut cake, fish meal, etc., to increase the content of crude protein in the diet to 20%, and appropriately increase the total amount of the diet. The eggshell is thin, transparent, trachoma, rough or soft shell, indicating that the feed quality is not good, especially calcium deficiency or vitamin D deficiency, should add bone powder, shell powder, lime powder and other minerals and vitamin D-rich feed. If the weight of eggs is reduced, cod liver oil and inorganic salt additives can be added. If the laying time is concentrated at 2: 00 in the morning, it means that the eggs are fed properly, such as postponing laying every day, and the eggs become smaller, it is necessary to increase the feed.

Fourth, healthy ducks with high mental laying rate are energetic, dive for a long time, their feathers are smooth and non-wet after landing, and water droplets are splashed when shaking their feathers. If the duck is lethargic, unable to act, afraid to go into the water after release, and the feathers get wet or even sink after launching, which shows that its diet is not nutritious, it should be fed with fresh animal feed, supplement cod liver oil, and mix it in the powder, according to the amount of 1 ml per day for each duck, and stop for 7 days for 3 days as a course of treatment, or 0.5 ml per day for 10 consecutive days.