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Maintaining a suitable indoor environment: Only by creating a suitable environment for the chicken can we have a higher egg production rate in the winter. The most suitable ambient temperature for laying hens is between 13°C and 21°C. When the shepherding temperature is below 8°C, the egg production rate and feed conversion rate are significantly reduced. The relative humidity in the house should not exceed 60%. Frequent cleaning of the chicken manure in the cage should be done, and some stove ash should be laid to absorb moisture. While emphasizing insulation, ventilation should not be neglected to ensure that the air in the house is fresh; at sunny, noon, the south window is opened for 10 minutes to discharge dirty air.
To meet the light requirements: the lighting time during the breeding period is generally maintained at about 8 hours per day. For broiler flocks bred at the peak of the egg production period in the winter, attention should be paid to supplementing the natural light with artificial light in the later period. At the age of 21 weeks, the illumination was extended for 1 hour per week, and the illumination time was guaranteed for 14 hours per day when the age reached 26 weeks. Practice has shown that laying hens have 14 hours of light per day to meet the needs of peak egg production. Be sure to switch light on time when filling light, otherwise it will disturb the response of the layer to light stimulation. The lamp can be installed at a height of 1.8 to 2 meters above the ground. The distance between the lamp and the lamp is the same. A 40-watt lamp has a lamp spacing of about 3 meters (if it is 1.5 meters, a 25-watt lamp should be replaced). Each 18 to 20 square meter area is equipped with a 40 watt bulb. Supplemental lighting should only be extended gradually and cannot be shortened.
Broiler: Strengthen ventilation, ensure healthy growth, proper ventilation: Broilers are generally kept at a higher density, have a faster growth rate, and have more metabolism. Therefore, in heavy litter feeding or one-time defecation, there will be a large number of harmful gases in the house. At the same time, in order to keep the chicken house warm in the winter, the farmer often neglects the ventilation of the house, leading to an increase in the concentration of harmful gases in the house and a decrease in the oxygen content. This will not only affect the growth of chickens, it will also cause chicken disease and reduce the survival rate.
Optimum density: In winter, in order to keep warm and save fuel, farmers often increase the stocking density. The appropriate breeding density for winter broilers is that when the body weight is less than 1.3 kg, 20-24 breeding animals per square meter. When the chicken weighs between 1.3 and 2 kg, 16 to 20 eggs are cultured per square meter. When the weight of the chicken is more than 2 kg, no more than 16 eggs will be farmed per square meter. When broilers are bred online, the density can be increased.
Respiratory Diseases Prevention: Breeders are very sensitive to the respiratory tract and prone to respiratory diseases during the winter. According to local conditions, prevention of infectious laryngotracheitis, infectious bronchitis, respiratory syndrome, etc. should be carried out. Drinking water should be sterilized every day, and the chicken should be spray-sterilized with peracetic acid every two days. Once the broiler is onset, it must be disposed of urgently, symptomatic treatment, strict disinfection, and prevention of secondary infection.
Ducks and ducks: to strengthen management, egg production capacity to change the forage grass: winter ducks in the house more time, and feeding density, mat grass is easy to wet, to diligent grass-changing, diligent bedding, to keep the house dry, clean and sanitary.
Noisy duck movement: Noisy duck movement is to drive away the ducklings and move around in the circle. It is mainly to prevent the ducks from getting fat, enhance their ability to keep out cold, and promote their productive eggs. In particular, before every day you put ducks, you must first open the window to ventilate, and then noise in the house within 5 to 10 minutes to promote more exercise and improve adaptability.
Timely release of water: late in the morning to put the duck in the morning, duck early in the evening to reduce the number of launches, shorten the time to launch. Sunny days should be launched around 10 am and 2 pm, for a time of about 10 minutes. Cloudy, windy weather, water once in the morning and no water in the afternoon. Rain and snow don't get into the water. After the snow stops, it's time to go into the water. It's necessary to clear the snow from the road and prevent the snow from condensing on the duck's hair.
Increased light: Short winter days, ducks need to add light each morning and evening, so that the total daily light time is maintained at about 16 hours to promote egg maturation and increase egg production.
Adding night food: Winter stays up late, and nighttime temperatures are relatively low. A warm feed can be added to feed the ducks. It can not only increase the nutrition of the ducks, but also help the ducks to keep warm and improve the egg production rate of the ducks.
How to manage livestock and poultry in the midwinter season (4)
Laying hens: Increased light production, production of egg peaks Egg laying peaks at approximately 28 to 35 weeks of age, and the egg production rate is generally above 85%. During this period, laying hens have the most vigorous phenotype and must effectively Use this precious period. Broilers in early spring brooding (from April to May) are now at the peak of egg production.