The level of broiler production depends critically on the genetic potential of chickens. What is the degree of internal potential performance, in addition to its close relationship with the appropriateness of the living environment, is also closely related to the appropriateness of feeding management. At present, many households pay less attention to feeding management, which affects the growth and development of broilers, causes feed waste, and reduces the effect of feeding. Farmers should do a good job in feeding management from the following aspects to improve the feeding effect of broiler chickens. Grasping the time to eat The chicks will drink water for 2 hours to 3 hours after they reach the chicken house. When the 1/3 chicks have foraging performance, they will start eating 24 hours to 36 hours after hatching. It will be bad for the chicks too early and late. Eating too early can affect the absorption and utilization of yolk in the chicks and cause indigestion, which affects the growth and feed utilization of the chicks. In addition, eating too early, chick activity and chicken droppings can contaminate the feed and affect the health of the flock. If you eat too late, the yolk of the chicks will be consumed excessively and the physique will be weak, which will also affect the growth and survival rate of the chicks. Providing ample feeding sites Each chicken after 7 days of age should have a feeding position of at least 5 cm wide. As the age increases, the feeding site should gradually increase, reaching about 10 cm at 49 days of age. If the feeding position is insufficient, the feed intake of some chickens will be affected, and the size of the flock will be uneven. Regularly adjust the height of the trough As the age of the broiler increases, the height of the trough should be regularly adjusted. The upper edge of the trough should be level with the back of the chicken or 2 cm higher. Chickens do not have teeth or soft fleas. When digging and drinking, they must raise their heads upwards. When the troughs are set properly, they can reduce the overflow of feed from the mouth and reduce feed wastage. Adjust the number of feedings with the age of 1 day to 3 days of feeding once every 2 hours, stop at night for 4 hours to 5 hours; gradually reduce the number of feeds after 3 days of age, 6 times to 8 times per day and night; 4 times in the later period ~ 6 times. The digestive tract of chicks is not well developed, has no teeth, and has a small crop sac. It has poor digestive enzyme secretion and poor digestion. Therefore, it should be fed less frequently at the initial stage. As the age increases, the number of feedings gradually decreases. Control the amount of each feed each time the amount should not be too much, because the chicken's poor digestion, eating too full, easily lead to indigestion, affecting feed utilization. The amount of daily use should be reasonably calculated and divided equally by the number of feedings. To be added to the last addition, or to stop for a while to add, can not be expected to feed, otherwise it is easy to cause chicken indigestion, picky eaters, affecting the growth and health of chickens, but also easily lead to feed pollution. Supply of high-quality feed Because broiler chickens have fast growth and development, and their digestive function is not very complete, they must supply digestible, nutritious full-price compound feeds. Feeding of broilers is generally divided into three stages: 0-day-old 20-day-old brooding, 21-38-day-old mid-term, 39-day-old to slaughtered late, and each stage feeds different feeds. There must be a transition period in the restocking process. Due to the different nutrients required in different stages, the raw materials sometimes change, and refueling is inevitable. Improper refueling can cause more stress on broilers. Suddenly changing the feed may cause chickens to have digestive disorders, resulting in indigestion, diarrhea, etc., affecting the growth and feed utilization of broilers. Practice shows that if refueling progresses, there will be no impact on broiler production. When reloading, it usually takes 5 days to 7 days for the transition. The specific practice is as follows: 2/3 of the previous feed (feed being used) and 1/3 of the next feed (feed to be replaced), with 2 days ; 1/2 of the previous feed + 1/2 of the next feed, with 2 days; 1/3 of the previous feed + 2/3 of the next feed, with 2 days, then all replaced by the latter feed. Adding health care sand chicken digestive foods is carried out by the powerful contraction and squeezing of muscles and stomachs. Therefore, inbred materials should be regularly added to help digestion and feed utilization. The chicks can start with rice-sized health sand and gradually increase in size later. Later in the day, sand with a diameter of 4 mm to 5 mm (wheat grain size) can be used. The health sand can be mixed into the material at a ratio of 0.3%, or it can be added once a week, and can be fed into a platter at any one time for one week. Adding probiotics to the intestinal contents of chickens is slightly acidic, which is conducive to the reproduction of beneficial microorganisms in the intestine. Probiotics are regularly added to feeds to increase the feed utilization rate by 5% to 8%; to improve the disease resistance of the organism and prevent the occurrence of some diseases; to reduce the proportion of non-protein nitrogen in the feces, and to reduce the production of ammonia, which will help improve the house. The environment reduces the occurrence of respiratory diseases and ascites.
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