1 Duck cage structure The duck cage is made of wood rods with a diameter of 4 cm or more and is constructed of bamboo or wire mesh. It is usually made of ladder-type double-layer overlapping duck cages. The cage is 60cm high, 165cm long, and 70cm wide. The bottom of the cage is 45 to 50 cm from the ground, and the slope is 4.2. The floor plate extends outward along the trend by 20 cm. The fence plate is covered with straw. 12 to 14 ducks were raised per cage. The duck cage is placed in a ventilated and sunny room. 2 Breeding ducks for selection of breeds should choose varieties with small size, early maturity, low material consumption, multiple egg production, and strong adaptability, such as Kangbei duck, Cherry Valley duck, Shaoxing duck, Jinbao duck, Jingjiang duck, Yichun duck and Zhongshan duck and so on. In order to improve economic efficiency, it is necessary to choose robust, disease-free, neat and tidy young ducks for cage rearing. In this way, after the ducks have been basketed, eggs can be laid one after another for more than half a month's adaptation period, and each year in the spring and autumn is a high-yield period. The adult female had the highest egg production rate in the first year, and had excellent quality in the second year. It was eliminated and updated by 50%, and it was updated in the third year. 3 Feed preparation The diets are formulated as grain feeds (mainly corn or rice), accounting for 50% to 60%, cake feeds (based on bean cakes, rapeseed cakes), 10% to 20%, protein feed (for fishmeal and Soybeans mainly accounted for 10% to 15%, but also added shell powder 1%, salt 0.3% and multivitamins 0.2%. Each duck feeds 125 to 150 g per day. When the egg production rate of the ducklings is around 70%, the crude protein in the diet should be kept at about 18%, and the metabolic energy for feed should be 2800-2900 kcal/kg. 4 Feeding method After the feed is crushed, add water and mix well to make it into a group by hand and loose it. Feed 4 to 5 times a day (from dawn to 9 to 10 pm), and feed a little more at night for the last time. During the rest period, ducks and ducks were fed 2 times a day, and the water depth of the sink was 7 to 10 cm. They were hung parallel to the chute at the level of the duck's chest. Feed the gravel once every half month, each feeding 10g. 5 The stronger the erotic desire of estrus, the more egg production. Therefore, in addition to leaving enough ducks in the mother duck, should stay 2% to 3% more ducks. Through the sexual stimulation of the mother duck, the follicle develops faster, accelerates ovulation, and achieves the goal of producing more eggs. 6 Adjust the temperature of the cage timely according to seasonal changes. That is, spring insulation - daily ventilation, night insulation; summer cooling - day and night ventilation, hot weather should also be sprinkled in the house cooling; autumn heatstroke - feeding green material, lower body temperature; winter wind - repair duck house, wind insulation. 7 Supplemental lighting supplementary lighting at night can effectively prevent precocious puberty and extend the egg production period. When light starts to shine, it will be no less than 14 hours per day and then gradually increase to 16 hours. At the same time, according to the length of natural light, according to the summer light (15 ~ 25W light bulb lighting), autumn light (25 ~ 40W), spring and winter light (40 ~ 60W) principle of regulation. It is worth noting that the gradual change of light should be carried out gradually so that the duck has an adaptation process. 8 Forced moulting After the fall, in order to increase the egg production rate, shorten the obstruction period of ducks and reduce the cost of feeding, artificial moulting can be performed. The specific approach was to stop water and food on the first day, stop drinking water on the second and third days, stop water and feed on the fourth day, and remove all feathers from the tail of the duck's wings, and return to normal feeding and management on the fifth day. Forced moulting ducks begin to lay eggs again after 15 to 20 days of feeding. 9 The regular insecticide ducks were basketed for 20 times per day to drive the locusts. During the moulting period, the moths and duck plagues were driven one time each. After the winter, the locusts were driven one time. 10 Duck disease prevention and control of duck disease may occur throughout the year, so we must adhere to the principle of “prevention without disease, early treatment with disease, prevention and treatment at the same timeâ€. Prevention of duck plague is mainly to do a good job in sanitation (every 10 days or so to clean the stool once), and timely injection of duck quail vaccine in spring and autumn (injection is best before break), each injection 2.5 ~ 3mL The duck cholera can be injected with the Tibetan vaccinia, with a prophylactic dose of 3 mL per injection and a therapeutic dose of 5 mL each. Cage raising should pay attention to the prevention and cure of duck soft foot disease. Once the symptoms are found, do not let the sick duck fall asleep and drive it away. Use a sewing needle to tie the small red plate on the feet of the duck (it can't tie the thick tendons) to cure. Usually with sulfamethazine or sulfathiazole in the proportion of 0.5% to 1% of the feed mixed and fed 3 to 5 days, stopped after 10 days and then fed, can effectively prevent duck plague.
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