A look at appetite. When feeding ducks, if the ducks come quickly, it means that the appetite is very strong, you can feed more properly; when feeding is not together, you should feed less properly.
Second, look at the feathers. The feathers are bright, tightly affixed to them, indicating proper feeding; if the feathers are scattered, the wings are sagging, walking is weak, and you do not want to splash, you should feed fishmeal and other fine ingredients in time.
Three to see leisurely water. Panic in the water, wings on the shore, and body trembling are signs of falling eggs. Animal and mineral feeds such as concentrates and cod liver oil should be fed.
Four to see the feces. The excrement is completely white, indicating that the animal feed is fed too much and the indigestion is poor; the excrement is loose and the white is not much, which proves that the animal feed is reasonable.
Five look at the time of production. Eggs are laid before 5 o'clock in the morning, indicating proper feeding; if the laying time is delayed and the eggs are getting smaller and smaller, production may stop and feed supplements should be added quickly.
Six look egg shaped. The egg shape is complete, indicating that the duck is full of food; the smaller end of the egg owes to early food; the smaller end owes to the food.
Look at the egg shell seven. The egg shell is thin, has trachoma or very rough, soft shell, indicating lack of calcium, must be fed in a timely manner shell powder, bone meal. Minerals such as calcium phosphate and lime powder.
Eight watch the egg weight. Fresh water, duck fat, round egg-shaped, generally 14 eggs weighs about 1000 grams; eggs should be timely feed replenishment.
Nine see duck weight. After a period of time after laying, the weight of the ducks still maintains the original level, indicating that the materials used are reasonable; if the weight is reduced, it indicates inadequate nutrition.
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