Decrease Ten Death Rate of Egg-laying Chickens in the Period of Egg Production
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2. According to the epidemic characteristics of local chicken diseases, scientific immunization formulates practical immunization procedures, selects high-quality vaccines, immunizes them according to prescribed doses and operating methods, and pays attention to the detection of various antibodies if the antibody titer is too low or If it is uneven, it should be promptly replenished.
3. The chickens must be selected before they are basketed on the cages to ensure that the caged hens are healthy, orderly and well-proportioned. Usually, the weight and length of the hens are used as the selection criteria. If the weight is too small, the sick and emaciated are weak, they must be determined. Be eliminated.
4, scientific ingredients According to feeding standards, from the age of 19 weeks to start the layer of eggs to properly increase the level of crude protein and essential amino acids in the feed; to meet the needs of mature and sexual maturation, it is synchronized to prevent post-opening prolapse and fatigue happened. At the same time, double amounts of vitamin AD, vitamin C, and vitamin E should be added to the feed to increase its metabolic level and its ability to resist stress.
5. Supplemental Calcium When hens are 4 months old or up to 5% egg production, hens should be fed diets with high calcium content (3.3-3.5%). Feeding chickens with calcium at 12-20 every day helps calcium absorption. In the diet, shells account for 2/3 and limestone 1/3 of the calcium source feed. The eggshell has the best strength. Of course, the best source of calcium is eggshells that are sterilized at high temperatures.
6, sufficient water to provide adequate clean drinking water at any time, because the consequences of water shortage is often more serious than the lack of material. In summer, it is necessary to pay attention to drinking deep well water, and if necessary, add ice cubes to the water; in winter, it is necessary to pay attention to drinking warm water to prevent the water temperature from causing too much stress to the chickens.
7, strengthen the management of daily work should be carried out according to a fixed procedure, so that the chickens establish a good condition reflex, pay attention to observe the health of the chicken, found that disease, weak, residual chicken should be singled out in a timely manner, so not only can reduce feed consumption, More importantly, it can prevent the spread of the disease.
8. Reduce stress New chickens should be multi-dimensionally added after being caged, and appropriate antibiotics should be used to reduce the adverse effects of the transfer of stress. Close the doors and windows of chicken coops to prevent small animals from entering the coops. Use wire mesh to seal the air vents to prevent birds from entering. In summer, attention should be paid to cooling and heatstroke. In winter, attention should be paid to keeping warm and cold. Ensure the temperature and humidity in the house are appropriate and prevent harmful gases from exceeding the standards.
9, light and reasonable egg production stage rather increase the light can not be reduced. The minimum lighting time required for the production of eggs must not be less than 12 hours, and generally not more than 16 hours (the time before the elimination can be gradually extended to 17 hours). Lightening during the laying period is best at a rate of 15 minutes per week; light intensity is 10 watts per square meter; light is best in red, followed by white light, and blue light has an inhibitory effect on laying.
10. After the hygienic vaccination laying hens enter the cage, they should insist on sterilizing the chicken once every two days, disinfect the environment once a week, and remove the weeds in the henhouse in time to prevent germs from multiplying on the eggs. This will increase the production of eggs. The amount and the rate of dead scouring have a very positive effect.