日本高清在线中文字幕网,99精品国产aⅴ,国产成人综合亚洲,国产成人综合亚洲,国产专区91,香港之夜完整在线观看,失乐园155分钟未删减

Qingdao Pratt & Whitney is a professional manufacturer of all kinds of breeding equipment, mainly engaged in pig raising equipment, chicken raising equipment, duck raising equipment, environmental equipment and other kinds of breeding equipment. The breeding equipment produced by our company is not only of good quality, easy to use and clean, but also guaranteed after-sales service. Pratt & Whitney agriculture and animal husbandry technology introduces how to design pig farms reasonably:

The pig farm should be built in the north-south direction, which is conducive to warm winter and cool summer. However, the South has a long time of high temperature and high humidity in summer, so it is necessary to do a good job of ventilation and dehumidification in the pigsty, such as installing a large ventilator, or setting small ventilation windows in a reasonable position, installing a wet curtain on the top floor of the pigsty, etc. in addition, it is also necessary in cold autumn and winter seasons Take measures to resist cold and keep warm, and install electric heating board or infrared light bulb indoors.
Design of boar fence: length, width and height are set at 2.9, 2.4 and 1.2 meters respectively, and it is made of all metal, with cast iron floor laid at the bottom. The reason for this design is that the hurdle is more convenient for exercise, which is conducive to improving the libido and semen quality of boar. The arrangement of boar and sow pens is beneficial to stimulate the oestrus of sows, as well as to breed and improve the conception rate.
In order to improve the economic benefits of pigs and increase the economic income of pig farms, it is necessary to design the environment of pig houses reasonably, select the general and affordable pig breeding equipment, and the reasonable design of pig pens and the principle of equipment are conducive to the economic income of pig farms.