2, and then the use of probiotics is also not a lot of, but also through the promotion of the pig's digestive system, so that the feed better digestion and thus reduce the odor of pigs;
3, also choose deodorants such as activated charcoal, adsorption inside the pig pen.
3, there is also the choice of deodorizers such as activated carbon, adsorption of pig pens inside the odor for the nursery pig effect is good;
4, to strengthen the ventilation is the best way, and now some people are afraid of the cold so do not dare to ventilate, this is the biggest disadvantage of the retailer, must improve the equipment, otherwise pig disease is no solution, the former drugs and so on. Solution, the front of the drugs and so on is only a very small part of the solution; large farms do a good job of insulation at the same time, good ventilation will find a lot of pigs well-fed, my friend is this year's farms are all renewed, it is really broken raised always sick;