(A) In winter, the weather is cold and cold, and the lighting time is short. In winter, the main points of management are cold and heat insulation, and the temperature is not lower than 13°C. Measures for cold insulation: conditional additional heating equipment; chicken farms with poor conditions will use chickens Shelter windows, especially the north window, are nailed with a plastic film. Due to the short natural lighting time, artificial lighting should be added.
(b) The gradual warming of the spring weather and prolonged sunshine hours are the phases of the recovery of chicken egg production, but it is also a season for the proliferation of microorganisms. Therefore, the main points of spring management are to increase the level of rations and meet the need for egg production. Increase the amount of ventilation, do a good job in sanitation and epidemic prevention and immunization procedures, and do a good job of greening in the chicken farm.
(3) Summer temperatures are high and sunshine hours are long. The main management points are: Preventing heatstroke and cooling the appetite. When the temperature exceeds 28°C, the chicken's drinking water increases, the feed intake decreases, affecting the laying performance, and it is easy to cause constitutional Decline, affecting disease resistance, the main work done in this season are:
1, should be done before the summer heatstroke measures
(1) Try to enhance the insulation of roofs and walls and reduce the solar radiant heat entering the house.
(2) Take a awning outside the window or use a black woven bag to block the light from the window.
(3), to improve the ventilation conditions, the conditions of the chicken farm can be used vertical ventilation, after the house has a certain speed, you can spray in the house, the use of water evaporation to reduce temperature, generally have significant results. In short, the best summer temperature is controlled below 30°C.
2. Work hard to improve chicken status
(1) In order to enable the flock to feed more feed, it should be fed as early as possible, starting from 4:00-5:00 in the morning.
(2) During the summer, chickens have a low feed intake. In order to meet the nutritional needs of the chicken body, such as energy and protein, the nutrient concentration of the feed should be increased. The oil with high absorption and utilization can be added to the feed, and the protein content can only be increased. The method is not conducive to heatstroke, excessive protein, excess amino acids in the conversion into energy use, will increase the heat production of the chicken body, the correct method is not to increase the protein content but to improve the quality of the protein, by adding methionine and Lai Amino acids increase protein utilization.
(3) In order to improve the chicken's ability to resist heat stress, the electrolytic cube can be consumed and vitamin C can be supplemented in feed by 150 mg/kg of feed.
(4) During long heat, the chickens suffer from hot wheezing for a long time, so that the lack of carbon dioxide in the blood affects the acid-base balance of the blood and affects the quality of the eggshell. In order to improve this situation, 0.2% sodium bicarbonate may be added to the feed.
(5) Regularly add antibiotics to prevent digestive tract diseases and increase the resistance of chicken body.
(6) During summer heat, the stress caused by vaccinating the chicken should be avoided as much as possible. If it is really necessary, it should be carried out at the appropriate time as far as possible.
(D) Fall management gradually reduces the sunshine duration in autumn and gradually cools the weather. It is necessary to pay attention to supplementing the light in the morning and night. The weather in early autumn is still hot, and with the large amount of rain, the high temperature is prone to respiratory and intestinal diseases. Large ventilation, often put drugs to prevent the disease in feed, prevent cold at night, properly close the window and reduce ventilation.
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