Rationally adjust the nutritional level of the diet
(1) At the beginning of the beginning of spring, the temperature is still cold, and the proportion of corn and other energy feeds should be appropriately increased in the feed to enhance the ability of the body to resist cold.
(2) supply of protein. Chickens during the pre-production period and the peak period of production require large amounts of nutrients to meet their egg production and weight gain needs. Therefore, the nutritional level of the diet should be appropriately increased at this stage, otherwise it is difficult to meet the nutritional needs of the chicken. The proportion of protein in the diet should meet the requirements of the egg production standard, and appropriate feeds such as fish meal and bean cake should be fed with higher protein content. The crude protein content must not be less than 16.5%. For every 10% increase in the laying rate of the chicken, the crude protein in the diet should be increased by about 10%. When the egg production rate is expected to increase, feed the high protein feed one week in advance. When the laying rate drops, do not rush to lower the egg production rate. Protein levels need to be maintained for another week and then lowered to slow the rate of decline in egg production. If the egg produced at this time is used as an egg, it is necessary to pay attention to the nutrition of the feed, and add vitamins such as VA, VC and VB. In order to avoid the production of soft-shelled eggs or hens suffering from osteomalacia, when the egg production is at its maximum, the loquat powder should be increased to 7% to 8%. Alternatively, a feed trough can be used to supplement the loquat powder or eggshell powder.
(3) Reasonable control of energy. The energy in the diet for this season should reach 2.75 megakascals to 2.85 megakas per kilogram. When the diet contains high energy, the intake of chickens is low and the protein intake is insufficient. This not only causes energy waste, but also affects the protein of chickens. Intake.
Do a good job in the environment of the chicken house and strengthen the epidemic prevention
(1) After entering the spring, the inside and outside of the chicken house and the entire chicken farm should be thoroughly cleaned inside and outside to reduce the threat of disease.
(2) In early spring, there is a large temperature difference between day and night. In management, we must 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, we must also take into account the ventilation and ventilation. Open the doors and windows at high temperatures at noon every day to discharge harmful gases. The cold protection facilities should be gradually removed according to the situation, but care should be taken to avoid catching cold in the flock. The temperature difference between bred and layer-laying hens should be controlled within 6°C to avoid loss of production due to temperature instability. When the temperature in early spring is low, before opening the chicken in the morning, you must first open the window and adjust the room temperature for 30 minutes before putting the chicken. Be careful not to let the chicken out of the air suddenly, because the chicken is cold.
(3) Pay attention to the lighting time. Laying hens should turn on the light at 5:00 or 6:00 each day and turn off the light at 9:00 pm (9:30 or 10:00) to stabilize the light for 16 hours. If you use red light better.
(4) After the middle of the spring, the temperature steadily increased, the physiology of the chickens became more vigorous, and the egg production rate increased rapidly. But at this time, it is also the time for the proliferation of microorganisms. Insects such as mosquitoes and flies have also begun breeding, and the characteristics of windy and rainy climate are conducive to the spread of diseases. To do a good job in environmental sanitation and strengthen prevention of epidemics should be listed as the focus of day-to-day management.
In addition, diseased chickens, weak and disabled laying hens were singled out and eliminated from the flock, and disease prevention work was enhanced. Egg laying nests should be changed frequently for mat grass, diligently to excrete feces, and increase the number of quail eggs. 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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