Comprehensive health care measures for pigs and chickens in June

In the past, we mainly relied on vaccines and drugs to control diseases. A large number of practices have proved that this is wrong, and effective disease prevention and control must be a sound biosafety system. In June, comprehensive health care measures for pigs and chickens mainly included:

First, preventing heat and cooling

(1) Thermal insulation. The pig and chicken farm should be built in the open area of ventilation, sitting north to the south, and the south should be open or semi-open. The traditional open circle to build an Arbor or sunshade net can effectively block sunlight and reduce the harm of heat stress to pigs and chickens. A closed pig and chicken house is built in the north, the roof is coated with white paint or covered with thermal insulation, and the ceiling is filled with thermal insulation materials such as sawdust to increase the span of the pig and chicken house.

(2) ventilation. Adjustable roof ventilation windows and ground ventilation windows can also be built, and the doors can be converted into ventilation doors to strengthen ventilation and remove harmful gases. Planting tall trees in and around the field can reduce sunlight exposure and reduce the environment and temperature in the house. If natural ventilation by opening doors and windows alone can not reduce the temperature, mechanical ventilation can be adopted, fans or fans can be installed to promote air flow, effectively reduce air humidity and take away heat from the house. The effect of longitudinal ventilation is better than transverse ventilation.

(3) spray (sprinkle) water. Evaporation cooling is the most effective method, when the temperature is too high, you can use a hose or sprayer to regularly spray water to the roof or artificially spray water to cool down. Spray or spray cooling method is used in hot weather, the cooling speed is fast, the temperature in the house can be reduced by 5 ℃ ~ 8 ℃ in 5 ~ 10 minutes, and can purify the air, but will increase the humidity in the house.

(4) Wet curtain fan to cool down. The cooling system of the wet curtain fan is an ideal cooling method rising in recent years. When the thickness of the wet curtain is 12 cm and the wind speed passing through the curtain is 1.0-1.2 m / s, the cooling efficiency of the wet curtain is 81%-87%, which can reduce the temperature by 5 ℃ ~ 7 ℃. The drier the air is, the higher the temperature is, and the greater the cooling range of the air passing through the wet curtain is, the more obvious the effect is.

Second, improve feeding and management

(1) adjust the feed formula. Under the condition of high temperature, in order to reduce the heat dissipation burden, pigs and chickens will inevitably reduce feed intake, resulting in insufficient intake of energy, protein and other nutrients, thus affecting growth, development and production performance. Therefore, it is necessary to select raw materials with good palatability, fresh and high quality with diet, properly reduce the ratio of high fiber raw materials, and control the level of crude fiber in diet, so as to reduce the production of body heating. The grease has the advantages of small volume, high net energy value and less body heating. it is an ideal energy source for pigs and chickens under high temperature conditions, and less than 5% oil can be added to the feed. The protein requirement of pigs and chickens increases under heat stress, so increasing the content of crude protein in feed can improve feed utilization rate and reduce the heat dissipation burden in high temperature season.

(2) strengthen management. Reducing the feeding density can reduce the temperature in the house. If possible, automatic drinking fountains can be installed to provide adequate drinking water and promote body heat loss. Changing dry feeding to wet feeding or using pellet feed can increase feed intake. Increase the frequency of feeding, try to avoid feeding when the weather is hot, and add feeding at night. Keep the feed well to prevent mildew. In order to improve the fecundity of sows, mating in June should be avoided, and the method of synchronous oestrus can be adopted to make most sows breed in the season with suitable temperature.

III. Prevention of mosquitoes, flies, midges and rodents

Mosquitoes, flies and midges are the vectors of a variety of infectious diseases, which can directly spread a variety of diseases. Mosquitoes, flies and midges can be eliminated first, and the medicine should be sprayed with (50-80) × 10-6 enemy killing solution, then kill the eggs, accumulate the cleared faeces, and cover them with plastic sheeting to let the feces ferment. Usually, it is necessary to clean up the feces in time and keep the house dry. There are many commonly used rodent control drugs, and diphacinone sodium salt is the first choice for rodent control in farms. The preparation method of the poison bait is as follows: weigh the sodium salt of diphacinone, rice and boiling water according to the ratio of 2 ∶ 1000 ∶ 250. first dissolve the sodium salt of diphacinone in boiling water, then pour the solution into the rice while it is hot and mix it well, wait for the solution to dry.

IV. Establishing an information early warning system for the epidemic situation

Timely understand the epidemic situation in the surrounding areas and at home and abroad; establish a detection system (immune surveillance, disinfection monitoring, drug sensitivity test); establish a daily observation system of pigs and chickens, and timely understand the health status of pigs and chickens.