When one looks at the appetite feeding, if the ducks gather quickly, it shows that the appetite is strong and can be fed as much as appropriate; if the gathering is slow or the duck does not gather, it means that the appetite is poor and should be fed less.
Secondly, after watching ducks lay eggs for a period of time, their weight remains at their original level, indicating that the materials used are reasonable. If the weight of the ducks falls, it indicates that the nutrition is insufficient; if the ducks are too fat, it is the cause of excessive energy.
Watching ducklings splashing into the water at the third time, climbing wings ashore, body trembling, is a sign of the lack of protein, should be fed high protein feed or feed, cod liver oil and other feed.
Look at the plumage feathers of the four bright, tightly paste, indicating that nutrition is appropriate. If the feathers are loose, the wings are drooping, the walk is weak, and you do not want to splash, you should add fishmeal or full price feed.
The excrement of feces such as duck's feces is white, indicating that animal feeds are fed too much and the digestion and absorption are poor. Such as loose stools, white, not much proof of feed with a more reasonable.
Sixth, look at the production of ducks in the morning 2 to 8 eggs, indicating that the feed properly. If the time for laying eggs is delayed and getting smaller, there will often be production stoppages.
Seven egg-shaped egg-shaped food for a full-fat duck, the large end of the egg is less early food, the small end of the egg is less than the food.
Eight see the heavy material water, duck fat, egg round and large, 15 duck eggs up to 1 kilogram. If the feed water is insufficient, only 17 to 18 duck eggs have a weight of 1 kilogram. Sufficient water should be added according to weight.
Nine looking at the eggshell If the shell is thin, has trachoma or rough, soft shell, indicating the lack of calcium in the duck feed, you should promptly add shell powder, calcium phosphate, lime powder and bone meal.
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