Buying a good breeder layer For a chicken breeder, choosing the breeder strain that determines the breeder is one of the important measures to increase the economic benefit of raising chickens. In recent years, with the continuous upgrading of layer chicken breeds, the good breed strains currently favored by chicken farmers and poultry farmers in China are the breeder layer strains such as Roman, Hyland, Isa and Jingbai. However, it should be noted that different breeds are cultivated in different regions. These carefully cultivated varieties can achieve good production performance under the corresponding conditions. However, due to the large land area in China and the different climate conditions in different regions, the environment is not First, different breeds of chicken perform differently in different regions. Therefore, in order to purchase good varieties, local breeders with large breeding stocks and good production performance should be selected, and new varieties must not be sought. Failure to understand the suitability of varieties in the local area can cause failure. Secondly, there should be a selection of chickens that have a certain amount of feeding and management. Don't ask for cheap, buy chicks that are not breeder-derived and hatch in small mortuary houses. At the same time, the purchased chicks should be scientifically brooded according to different weeks of age, carefully nurtured, and the male and female groups should be grouped on time to eliminate outdated poorly-quality chickens, low-yield chickens, and sick chickens in time. Scientific feeding management is the key First, do a good job of brooding and cultivate quality and robust chicks. According to a large number of studies at home and abroad in recent years, the weight of chicks has a strong positive correlation with the main performance indicators of the laying period. Therefore, high temperature brooding must be used during the brooding period. 1 day to 2 days at 33°C; 3 days to 4 days at 32°C; 5 days to 7 days at 30°C; 8 days to 14 days at 28°C; To 21 °C. Second, we must provide high-quality full-priced feeds to ensure that the light hours, 1 day to 2 days of age 24 hours; 3 days to 4 days of age 22 hours; 5 days to 7 days of 20 hours; 8 days to 10 days 18 hours; 11 days to 14 days; 16 hours; 15 days to 21 days; 15 hours; after 21 days, 8 hours to 12 hours. Also pay attention to ventilation. In the 8th to 9th days of age, we cut off. According to the epidemic prevention program for immunization and medication prevention. Second, during the growing period, we must focus on weight control and improve the evenness of the flock. Studies have confirmed that the uniformity of 16 weeks of age is positively related to the persistence and survival rate of laying eggs. During the brooding period, due to the supply of high-quality full-priced feed, the chicks are fully developed and have a relatively large body weight. In order to enter the rearing period, it is necessary to control the weight within the scope of the feeding standards and increase the evenness of the flock to more than 85%. Third, the egg production period should focus on providing a stable production environment and preventing over-fat. Excessive body fat will cause a large amount of fat to invade the gonads, affecting the development of follicles and the secretion of other gonads, which will lead to decreased egg production. Excessive body fat can also cause fatty liver, causing the death of chickens to rise. For this reason, the laying period should also be periodically weighed to determine if the bird's weight is normal. Layer chickens are particularly sensitive to various stress factors outside the world. Once stimulated, stress responses occur, resulting in physiological disorders, decreased egg production, and increased mortality. Therefore, relocation, feed changes, and strong winds must be reduced as much as possible. The effects of stress factors such as cold, heat, ventilation, poor ventilation, light mutations, vaccination, personnel exchanges, and vehicle noise on the chickens provide a quiet, comfortable and stable environment for the chickens to maximize their potential for production. Scientific lighting management A good lighting program can promote egg production, increase egg weight, increase survival rate and economic efficiency of raising chickens. Appropriate lighting management is to give 24-hour light from 1 day to 2 days of age to facilitate food intake, and then gradually switch to constant light or natural light. After entering the breeding period, natural light is used as the main condition, and conditional light shielding can be used for 8 hours to 12 hours. 18-week-old is given light stimulation for at least 13 hours, and then increased every week or every two weeks for 15 minutes to 30 minutes until 17 hours. If the time of light is increased too quickly, it will cause offensive anal prolapse, licking and other undesirable phenomena. The light intensity of the laying hen house is generally controlled between 10 lux and 20 lux, and the time and intensity of light cannot be reduced during the laying period. Creating a suitable living environment for laying hens To make laying hens produce more eggs, it is necessary to create a suitable growth and egg production environment for the chickens. According to the changing rules of different seasons, corresponding feeding and management measures must be taken. In the high temperature and high humidity season in summer, we must pay attention to the prevention of cooling, strengthen ventilation in the houses, maintain dry sanitation, provide sufficient clean drinking water to the flock, and increase the amount of the vegetables to increase the feeding capacity of the chickens. . In winter, special attention should be paid to the cold insulation of the chicken house and the artificial supplement lighting. The temperature in the house should be maintained above 13°C, and the light should be heated for 15 hours to 16 hours. The drinking water should be warmed up and not drink cold water. Feeding ring ring buckled attention to save feed The biggest expense for raising chickens is feed. The cost of feed accounts for more than 70% of the cost of chicken farming. Improper feeding and management will inevitably cause a lot of feed waste. According to the author's investigation and the practice of raising chickens, about 5% to 6% of the waste is caused by adding too much feed, and about 10% to 12% of the unscientific wasted feed is designed and installed in the feed trough. Rats, finches, and insects account for approximately At 7%, the loss of chickens is about 5%. Measures to reduce feed wastage: First, the installation height, depth, and length of the feed trough should be changed according to the different ages of the laying hens and the cage density, and the feed feeding amount should not exceed 1/3 of the trough depth. In order to reduce the number of foods in the tank and reduce the amount of feed in the tank, the daily feed rate should be determined by the egg production rate. When the egg production rate is generally 50% to 60%, the daily feeding amount of each chicken is about 95 grams to 100 grams. When the egg rate is 60% to 70%, the daily feeding amount is 105g to 110g. When the egg production rate is 70%, the daily feeding amount of the chicken is 115g to 120g. When the egg production rate reaches 80%, the feed is no longer available. Limited, let the chicken eat. The second one is broken. Because chickens have the habit of eating fruit, they should be chopped up at the age of 7 to 9 days. By the age of 15 weeks, repairs will be required for people with severe disabilities. Third, the timely elimination of chickens that do not produce laying hens or poor laying performance. When the nursery is completed and transferred to the egg-laying house, a phase-out should be carried out. All stunted, too small, too fat, sick, lack of energy should be eliminated. During the egg production process, swaddling chickens, diseased chickens, disabled chickens, and discontinued chickens should be eliminated at any time. In the late stage of production, the main out-of-production chickens are eliminated, and the hens with crowns, pale faces, and shrunken crowns should be eliminated immediately. Fatty, overly-lean chickens should also be eliminated immediately. Scientific formulation of layer diets The feed formula is unscientific. One is that dietary nutrition is not comprehensive, resulting in some nutrients that are too much and wasted, too little and under-nutrition, which affects the egg production rate. Second, it is easy to increase the cost of feed formulation, and local feed ingredients can not be adjusted at any time according to local conditions. Third, it is impossible to meet the needs of energy and various nutrients in different egg production seasons. For example, the feed energy for summer feed formulas is lower than winter formulas, otherwise it will not only waste feed but also affect the chicken's metabolism and feed intake. Pay attention to chicken disease prevention Reducing dead chickens and eradicating the outbreak is the key to the success of chicken farming. In accordance with the scientific control of the epidemic prevention program for chicken diseases, various vaccines are injected according to the age of different chickens. At the same time, regular sterilizing of chicken sheds and utensils is adopted, and the feces in the house are removed promptly. Rats, to prevent rats and sparrows from entering the house to bring out the epidemic. In order to reduce the chance of spread of the epidemic, the entry and exit of people should be minimized. Strangers should not be permitted to enter the coops and visits should be refused to ensure the safe operation of the farm. Careful attention to savings It is necessary to fully utilize chicken manure to feed pigs, feed fish, or ferment and then feed chickens to reduce feed costs. 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