[Composition]
The main component of this
preparation is human immunoglobulin, which is prepared by cold ethanol
fractionation of human plasma from healthy donors. The manufacturing process
contains a step to remove anticomplementary activity and a dual viral
inactivation process. It contains a suitable amount of glucose or maltose as
stabilizer (see table below), but does not contain any antiseptic or
antibiotic. The distribution of IgG subclasses is close to the serum level of
normal subjects and maintains the bioactivity of Fc fragment of IgG.
[Indications]
1. Primary
agammaglobulinemia, such as X-linked hypogammaglobulinemia,
common variant immunodeficiency diseases, immunoglobulin G subclass deficiency,
etc.
2. Secondary
immunoglobulin deficiency diseases, such as severe infection, septicemia of
newborn, etc
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First, adjust the ducks in the late fall and early winter, and eliminate the old, weak, sick, ducks, low-yield and discontinued ducks in the duck group. Lean ducks with good production performance and robustness are left behind.
Second, cold insulation ducks and eggs suitable temperature is 10 ~ 20 °C. The cold weather in winter is not conducive to egg-duck eggs production. The following methods can be used to prevent cold and heat: Firstly, block the hole in the duck house and the wall, replace the bad tile to prevent the thieves from invading; second, repair the doors and windows, and prevent the cold weather on the doors and windows at night. Cover straw or double plastic sheet insulation; Third, add a layer of insulation under the roof or ceiling ceiling, blocking the cold air into the house; Fourth, under the roof of the house, 2 meters above the ground, horizontal bamboo raft, wooden bar , And covered with straw curtains and plastic sheeting; Fifth, in the duck inland (frame) on the surface of a thick mat dry mat grass, to ensure that the duck abdomen from cold; six is ​​to increase the unit area of ​​the breeding density, can raise 8 per square meter ~9 to facilitate the mutual heating between ducks and ducks, and the seventh is to adopt a warm shed to raise, in the winter can be more than 10 degrees Celsius temperature. Choose yang shed, leeward, near water sources to build a greenhouse. Supported 8 to 9 per 1,000 m 3 , each duck house is raised to 300, and a duck house of 4.5 meters in length and 8 meters in width is built. The north wall of the duck house is 2 meters high, the south wall is 2.2 meters high, the ridge height is 3 meters, and the back slope at the top is long. In the east (western) gable, a working gate is left next to the north wall. The top is made of bamboo and other skeletons, covered with straw. The floor is covered with hay.
Third, promptly repellent insects in the winter to feed the duck to feed a locust in time, each duck with a half piece of smashing crushed after mixing feed in the feed, so that the duck body can be flawless, enhance the duck's physique, is conducive to the production of eggs .
Fourth, the deployment of feed winter duck in addition to egg production, but also to resist the cold. Therefore, it is necessary to increase the heat energy in the duck and duck feed. Reference feed formula (%): corn 40, bran 23, broken rice 10, rapeseed cake 5, soybean cake 10, fish meal 7, bone meal 3, oil 2 and trace amount of salt. Also add some green feed. If there is a lack of green feed, an additional 0.2% to 0.5% of synthetic multivitamin for poultry needs to be added. The amount of sand in the feed must be mixed to aid digestion.
V. Reasonably feed the feed and crush it, mix it with warm water and mix it with a hand to loosen the mixture to loosen the mixture. The temperature of the mixed material is about 38°C. They are usually fed 4 times a day, each at 5 am, 10 am, 3 pm and 7 pm. Around 12:00 at night, they will be fed once more. Try to make the duck full and eat well.
Sixth, when the supply of warm water temperature is low, if the ducks drink ice water or very cold water, it is easy to cause stress and reduce the egg production. Therefore, it is necessary to provide ducks with clean and warm water.
VII. Supplementing light The ducklings require 16 hours of light each day during the laying period. Short winter nights, lack of natural light, must be artificially supplemented with light, a 40-60 watt bulb can be installed in every 5 to 20 square meters in the duck house, the bulb is 2 meters high from the duck back, and the lampshade is installed. The light is concentrated on the body of the duck and the light is uniform. Turn on the lights twice a day, morning and evening, and turn off the lights at 21.00. In case of heavy snow, dense fog and other dark and light conditions, the lights should be turned on early in the evening and the lights should be turned off in the morning. If necessary, it can be lighted all day.
Eight, correct noise duck ducks in winter noise can enhance the duck's ability to keep out the cold and digestion, so that ducks produce more eggs. The practice is: every day ducks before the water noise the duck for 10 minutes, first open the window, balance the temperature inside and outside the house, and then gently drive away the ducks in the house for a slow circular motion, when about 80% of the ducks issued a strong chirp , And let the ducks go out or go into the water.
Nine, a reasonable release of water late in the morning and late duck duck early night, reducing the number of launches, shorten the time to launch. The water is generally sprayed twice a day for 5 to 10 minutes each time. Cloudy, windless days, the water in the morning, once in the afternoon can not go into the water, snow stopped after the snow and then into the water.
Ten, health and epidemic prevention should be promptly removed duck dung, diligently change the mat grass, keep homes and outside clean. Circles, food troughs, utensils, etc. are sterilized once a week. Do a good job in epidemic prevention and timely injection of duck plague and duck cholera vaccine. Usually can be used sulfamethazine or sulfathiazole spices prevention, to ensure that ducks healthy and strong, normal egg production.
How to Change the "Winter Break" to "Winter Production" in Ducks
At present, many farmers in rural areas have made their own ducks “leisure†in winter and reduced their income. After several years of trials, the author explored ten measures that meticulously changed the winter duck from winter to winter.