In hot summer days, the temperature continues to remain high, livestock and poultry are prone to heat stress and heat stroke, and feeding and management are strengthened, and heatstroke prevention and cooling work is well done to avoid unnecessary economic losses to the farmers.
Pigs respond fully to heat hazards
Do a good job in environmental control piggery should be built on a hillside or open land with sufficient water supply, good surrounding vegetation and air circulation. Each column must have a large, convenient convection window. The roof of the pig house cannot be covered with warming materials such as linoleum and plastic film to avoid the greenhouse effect and heat stroke in the house. Ceiling fans and water sprinklers are installed at a certain distance in the pig house so that the temperature can be turned on at any time during high temperatures. Large-scale farmers can spray sprinklers into the space and the ground several times a day at high temperatures, which can quickly reduce the temperature and prevent pig heatstroke. When it is hot, water can be sprayed on the roof of the pig house 2 or 3 times during the daytime, which has better temperature control effect.
Changing the feeding mode can change the feeding time 3 times a day to 7:00 pm, 11 pm, and 4 am - 5 am, which can significantly improve the feed utilization rate. Each day at 10 o'clock in the morning and 3 o'clock in the afternoon, they are fed 0.4% for one time. 0.5% saline and the amount of fresh green juicy feed.
Adjusting the structure of the diet in order to reduce the occurrence of high temperature heat stress, it is appropriate to reduce the amount of energy feed in the pig diet, accounting for 45% to 50% of the diet, and the green feed increases from 0.6 to 1 kg per head per day. To 1.3 to 1.5 kg. High temperature, high humidity, feed is prone to mildew, should be noted. Doing a good job in sanitation In addition to doing a good job of daily window ventilation, it is also necessary to clean and clean the pig house 2 or 3 times a day. If conditions permit, a 3 to 5 cm thick fine sand can be spread on the floor of the pig's rest area to extend the radiating surface of the pig body. The floor and wall of the pig house should be sprayed once a day or every other day with 2% to 3% of agricultural fumigation or 15% to 20% of milk of lime, etc., 0.1% potassium permanganate for tableware and drinking trough, etc. Disinfect the solution such as 8% carbolic acid once. Spray insecticides such as dichlorvos every 2 to 3 days around the house to eliminate or reduce mosquitoes and flies.
Supply of clean drinking water The water in the pig accounts for 1/3 to 1/2 of the total weight of the pig. Water is also the best and most important solvent and transportation carrier for the nutrients needed by the pig. The temperature regulation and waste discharge of the pig are performed through the water. To achieve. In summer, it is necessary to provide clean drinking water for about 24% of the daily pig weight, and if necessary, let the pig drink 0.5% saline.
Do a good job of cooling measures at high temperatures, spray water (spill) water to the pigs 1 to 2 times a day, the well water should be sunlit for 1 hour before washing the pig body. It is advisable to wash the pigs with water before feeding. Pigs must not be washed with water for 30 minutes after feeding. Even cold water should not be used to suddenly flush the pig's head. This prevents the pig from being shocked by sudden and intense contraction of the blood vessels in the head. (Guo Tao)
Ducks strengthen management to prevent heat stress
Enhancing ventilation in aeration duck houses can promote air flow, speed up the evaporation of ducks, and reduce the body temperature of ducks. In order to reduce the occurrence and spread of diseases, fresh air should be kept in the house. During the climate change, the amount of ventilation should be adjusted in time to adjust the temperature inside the house so as to prevent the temperature from rising and falling. If the temperature difference is too large, the duck will catch a cold.
Shade cooling To reduce solar radiation, the top of the duck canopy is painted white. Doing a good job of greening and using plant shelters can effectively reduce the temperature inside the house. Due to direct sunlight, ducks tend to be concentrated in the house and should be shaded with plants or shading nets above the playground to increase the range of activities of the ducks and avoid the increase in individual calorie production caused by crowding.
Spray cooling can take measures such as spraying water at the top of the house and spraying the water in the house to reduce the temperature. Every 1 to 2 hours, once every 10 to 15 minutes, can be combined with the use of disinfectant to achieve disinfection and cooling.
Changing feeding mode on the bed can avoid contact with feces, reduce the chance of disease transmission, reduce the incidence rate, and network maintenance can reduce the movement of ducks, reduce nutrient consumption and heat production of ducks, is conducive to the healthy growth of ducks. When ground ducks are used, it is best not to use thick dunnage. Late use should be made of cement or bricks to increase the frequency of decommissioning, which can effectively mitigate the effects of rising temperatures.
Reduce the breeding density appropriately to avoid overheating of the breeding group, overcrowding of the duck population, reduction of individual heat radiation area, increase of heat production of the ducks themselves, difficulty in the work of preventing heatstroke, increasing the risk of heat stress and heat stroke in ducks and unnecessary economic loss. .
Supply of fresh feed in high temperature and high humidity weather plus spray water cooling, feed is prone to agglomerate deterioration, affect palatability, resulting in duck anorexia, severe poisoning. Therefore, do not add too much feed each time you feed. Keep fresh and prevent mildew. The barrel should be emptied once a day and cannot be accumulated. At noon, vegetables or watermelon rinds can be properly added to relieve heat stress.
Adjust the feeding time should be fed at night or early morning, when the day is hot, reduce or not feed, and drive the ducks to increase feed intake.
Adding vitamins and minerals In the diet or drinking water, adding extra sodium and potassium or supplementing carbonate helps maintain electrolyte balance. In order to relieve the adverse effects of heat stress on the duck body, 0.1% to 55% sodium bicarbonate and 100 to 200 mg vitamin C can be added per kilogram of feed.
Timely cleaning of excrement The high temperature and high humidity excrement is fermented quickly and easily produces a large amount of harmful gases such as nitrogen and hydrogen sulfide. Should clean up the excrement or replace the litter in time, keep the house clean and air quality, create a good environment for the ducks to grow.
Do a good job of disinfection work in summer is hot and easy to breed bacteria, drinking fountains and chutes should increase the number of cleaning. Improve the disinfection system, do a good job of daily disinfection and reduce the incidence of disease.
Strengthen the prevention and control of epidemics, strengthen observation, and find out that abnormalities should be promptly taken measures to ensure good immunization and prevention. At noon high temperatures, harassment of the duck population should be minimized to keep it quiet so as to reduce the production of its own calories and to relieve the stress from the tropics.
The use of anti-stress drugs can be appropriate in the hot weather, add mint, musk and other Chinese herbal medicines and vitamin C to mitigate the impact of heat stress and prevent heat stroke. (Huang Linjie)
Rabbit raise rabbits seven attention
In a timely manner, take a shady shade of melon beans, avoid direct sunlight to the rabbit body, protect the ventilation of the rabbit house, and use the 30% lime milk to brush white wall of the rabbit house. When the outside temperature exceeds 30°C, cool the sprayed cold water on the rabbit's body surface.
Strengthen the environmental sanitation of indoor rabbit house cleaning, removal of excrement, filth, outdoor rabbithouse cleansing and purging urine ditch in 3 to 6 days. Drinking water and utensils facilities should be washed once a week, half a month after the bottom of the cage, box, air dried or dried.
In the rabbit's nest, the mat grass should be 1 to 2 cm. The box should be covered with a mosquito screen cloth to prevent mosquitoes from biting and causing death from septic sepsis in the pups. Ten days later, the rabbits grow to About 0.5 cm, you don't need to cover it.
The fever uses the cold side to keep drinking water free and add heat-reducing drugs to the drinking water or feed, such as Rendan, Shangqing Pills, Shidhuishui, Jinlingdan, Huoxiangzhengqi water and so on. Add forage grass Chen Ai, white artemisia, Artemisia laverocarpa, Artemisia, mint, Perilla and Prunella. Complete feeding of grass powder pellets rabbit farms, particles of alum containing hay powder is not less than 15% optimal.
To make up for the nutritional climate, rabbits will suffer from loss of appetite, lack of nutrient intake, and weight loss, which will affect the growth of pregnant, birth, lactation, and young rabbits. Therefore, during the day, the rabbits are fed with fresh green grass, and at night they add enough green and fine ingredients at 9 o'clock to make up about 1/2 of the whole day's diet. This allows the rabbits to eat enough to get enough nutrients when they get cold in the middle of the night.
The group of rabbits should be divided into cages and cages of commodity rabbits in a rabbit cage of 0.6 square meters. It is advisable to have 8 rabbits within 56 days. After 56 days, it must be divided into 2 cages to ensure sparseness in order to prevent nesting. dead.
In the summer when the male rabbit is raised in the ventilated place with high heat, the fertility of the male rabbit is greatly affected. When the male rabbit is continuously heated, the testes of the male rabbit become hard and small, and the fertility is lost. Therefore, it is best to keep the male rabbit in a ventilated and shaded place at a temperature of 28°C or less.
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