1. To see the weight of ducks, the egg production rate is more than 80%, and the ducks' body weight slightly reduces the trend, should be appropriately fed animal feed; duck weight, the body has a tendency to gain weight, but the egg production rate is still 80% At the same time, the roughage and green feed can be appropriately fed, or by controlling the feed intake, to prevent the ducks from eating too much fine material, but the animal protein feed should also maintain its original level or increase slightly; normal weight, lay eggs The rate is also higher, and the protein level in the feed should be slightly higher than in the previous stage; the egg production rate is reduced to 60%, and when it is difficult to pick up, there is no need for feeding.
2. To see the feces If the duck's feces is thick, loose, strips, shiny surface, after the foot can be divided into several segments, indicating that fine, coarse, green material with a reasonable; feces small, solid, black color, dial after The section is granular, indicating that the amount of concentrated feed is too much, the amount of green material is small, digestion and absorption are not normal, the amount of concentrate feed should be reduced, and the green feed should be increased; the excrement is light in color and unshaped, and the discharge is spread out, indicating that the feed is concentrated. Insufficient feeding, low nutritional level, should be fed fine material; feces was yellow-white or gray-green, with foul odor, indicating that the duck is ill, should be isolated treatment.
3. Look at egg production If the egg shape is abnormal and small, indicating that there is insufficient nutrition, feed rich in protein such as soybean cake, peanut cake, and fish meal, increase the content of crude protein in the diet to 20%, and increase the diet properly. Total; shell thinning, translucent, with trachoma, rough or soft shell, indicating poor feed quality, especially calcium deficiency or vitamin D deficiency, should add bone meal, shell powder, lime powder and other minerals and vitamin D content Abundant feed; If the weight of eggs is reduced, add cod liver oil and inorganic salt additives; egg production before 5 o'clock in the morning, indicating proper feeding; if egg production is delayed and the eggs are getting smaller, production may stop, and it should be quickly added. Concentrate feed.
4. If you look at the spirit 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.
Royal Jelly is also called Bee Milk. The fresh royal jelly is slightly ropy milk paste substance; it is the excretive mixture of nutrition gland and maxilla gland of the head of little worker bee. The worker bees use this to feed the 1-3 days` worker bee larva and drone larva, 1-5.5 days` queen bee larva and queen bee in the oviposition period. The royal jelly is the biologic product containing very complicated active elements which contains almost all the nutrition elements required by the growth of the human body.
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