Spring temperatures gradually rise, and sunshine increases gradually, which is a good season for chickens to lay eggs. The breeding and management measures at this time should be different from the past winter. To sum up, the following adjustments should be made.
Gradually remove the cold protection facilities
In early spring, when it is warm and cold, there is a large temperature difference between day and night. It is still necessary to pay attention to the insulation of the chicken house and try to maintain the temperature of the laying hen house at more than 10°C. At the same time, consider the ventilation and ventilation. Later, as the temperature rises, the cold-proof facilities will be gradually removed according to the weather conditions to prevent the flock from getting cold. In the middle of the spring, the temperature has steadily increased, the physiology of chickens has become more robust, the egg production rate has risen rapidly, and the management systems have remained relatively stable to prevent stress in the flock and reduce egg production.
Adjust feed formulation
According to the practice, if the egg production rate in the spring of chickens does not increase, it will be impossible to achieve better feeding efficiency in the whole year. To maintain a high egg production rate in spring, we must adjust the feed formulation. The first is to reduce the energy feed. The temperature in spring rises gradually. If you continue to feed high-energy feed during wintering, the weight of laying hens will increase, which will affect the egg production rate. The scientific approach is to reduce the proportion of grain feeds such as corn in the diet. The second is to increase protein levels. Hens consume more protein during the egg production period, and their consumption is related to the chicken's egg production rate. Therefore, the protein raw material in the feed should be increased according to the increase of chicken egg production rate. The method is to properly add high-quality fishmeal, bean cakes, etc. in the diet and try to minimize the amount of miscellaneous fish when the cost permits. The third is to increase the mineral content. The calcium requirement of the hen when it is laid is increased. For example, calcium deficiency in the feed will affect the quality of the eggshell, thereby increasing the damage of the egg. Severe chickens will cause soft shell eggs and shellless eggs. Deficiency of phosphorus, like calcium deficiency, can also cause discomfort in laying hens, such as puppies, anal fistulas, and quail eggs. Therefore, once the layer chickens are found to have dyspepsia, loss of appetite, weight loss, etc., the cause should be identified and the content of mineral supplements in the diet should be increased accordingly. The fourth is vitamin supplements, especially vitamin D. When there is a long-term lack of vitamins in the diet, the egg production of laying hens will decrease, the shells will become soft and thin, and the absorption of calcium will be seriously affected. When the number of eggs produced by the chicken increases, the vitamin consumption also increases. Therefore, some green feeds can be properly fed and the amount of multidimensional ingredients in the feed can be increased.
Attention to disinfection and epidemic prevention
The warm spring weather is the season when microorganisms multiply, and mosquitoes, flies, and other insects also begin to breed. At this time, the dry and windy climate characteristics in most parts of Henan Province are conducive to the spread of disease. Therefore, environmental sanitation and strengthening prevention should be listed as The focus of day-to-day management work. First, clean and disinfect the inside and outside of the chicken house and inside and outside the chicken farm once and strengthen the source of the disease. In addition, the elimination of diseased, weak, disabled and other non-laying layer chickens in the flock eliminates both consumption and disease transmission. The conditional chicken farms should carry out antibody monitoring for Newcastle disease, infectious bronchitis and other diseases, and if abnormalities are detected, they can be immediately immunized and can also be administered preventively.
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