High temperature season duck management
In the summer and autumn, the climate is hot and hot. In some farms and households housing ducks, ducks frequently suffer from heatstroke and heat stress and cause duck fainting. This is because the temperature is too high, the ducks do not have sweat glands, and the cover of rich feathers, the heat dissipation of the duck body is greatly limited; when the temperature exceeds the isothermal area, the temperature of the duck body is high due to the poor condition of the sunstroke prevention and cooling. High-temperature, high-humidity breeding environment is not easy to decompose the duck dung, resulting in excessive ammonia and other harmful gas in the duck house, which seriously damages the health and growth of the duck. At the same time, high temperatures are also conducive to the breeding and reproduction of pathogenic microorganisms and induce a variety of diseases. Therefore, in order to ensure normal and healthy growth of the meat ducks raised during the hot summer and fall seasons, the following points should be made: 1. Adjust the feed formulation to ensure that the nutritional needs of ducks are reduced because the feed intake of ducks decreases with increasing ambient temperature. The duck diets used in summer and autumn for high temperature and different growth stages were formulated to ensure the daily nutritional intake of ducks.
Increase the amount of minerals and vitamins added. As the feed intake of ducks declines, it is necessary to ensure that the intake of various minerals and vitamin nutrient components of meat ducks is constant, and the content of their diets should be appropriately increased. In summer, the excretion of Na and K in the duck body increases. Because the concentration of CO2 in the wheezing plasma decreases, respiratory poisoning may occur. Therefore, additional Na and K in the diet or drinking water and additional carbonate in drinking water are all Helps maintain electrolyte balance. During summer high temperature, the nutrient in the feed is easily oxidized, and the physiological stress caused by high temperature and other stress factors not only reduces the ability of the duck body to synthesize VC, but also the demand of ducks for VC and other nutrients is relatively increased, so the high temperature season An additional 50-200 mg of VC should be added to kilograms of feed, which will help reduce the adverse effects of stress on ducks.
Keep feed fresh. During the period of high temperature and high humidity, self-mixed feeds or purchased feeds that have been placed for too long or placed in the chute for too long will cause the feed to spoil, and even become mildewed. Therefore, it is advisable to use it for a week or so each time ingredient or purchase of feed is used to ensure that the feed is fresh. When feeding, it should be done in small quantities, and using wet mix powder should be less frequently added.
Use anti-stress drug additives. According to the physiological changes of the duck body under high temperature, the use of sodium salicylate can reduce the body temperature of ducks. The use of Chinese herbal medicines such as musk, acanthopanax, and peppermint can increase the immunity and help the digestion and anti-stress effect. Fumaric acid can improve the body's resistance to enhance anti-stress ability, at the same time it has a sedative effect and can reduce muscle activity. Can be used as an anti-stress additive.
Second, do a good job of environmental control to prevent ducks from heat stress and keep ducks clean, dry, and ventilated. Increase the number of duck house cleaning, shorten the time of duck droppings in the house, and prevent the harm caused by droppings under high temperature. The drinking trough should be placed around the duck's house as much as possible. Do not let the ducks sprinkle water around when they drink, let alone the ducks splashing in the sink.
Reduce stocking density. By appropriately reducing the amount of house feeding and increasing the number of water and food troughs in the duck house, the duck house can reduce the total calories due to a decrease in the number of ducks, and at the same time avoid individual food production due to the shortage of food troughs or sinks. The rise.
Do a good job of ventilating the duck houses to speed up the heat dissipation of the duck body. Ensure that the duck house is open, so that there is air convection in the duck house and increase ventilation. Ventilation equipment can be used to enhance ventilation and ensure air flow. Ventilation should also be enhanced at night so that the ducks can restore physical fitness at night and relieve the effects of stress and heat during the day. Avoid disturbing the duck population, reduce the duck's activity to the minimum limit, and reduce the increase in duck body heat.
Do daily disinfection work. The duck house is regularly sterilized to prevent the ducks from falling due to the invasion of harmful microorganisms, to prevent flies and mosquitoes from breeding, to prevent the ducks from being disturbed by insects, and to increase the anti-stress ability of ducks.
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