spontaneous fermentation, only the existing bacterial culture affect the acid composition in the wet feed. Controlled fermentation means that a bacterial culture is added to promote lactic acid production and to reduce pH.
amount of 22 kg per hectare.
system, the energy in protein feeds was overestimated and the sows' ability to utilize energy in fiber better than growing pigs was not taken into account.
Within the new system there is two ways of calculating the energy value, sows and boars have one, and growing pigs up to 150 kg have another.
The purpose of this study was to study if pig farmers think they have sufficient knowledge of their feeding system to use all the features, and if they themselves can overcome the errors that may occur.
made. A total of 13 questionnaires were fully answered.
how to solve problems with the feeding system. Twelve had a manual, but five of these manuals were not fully translated into Swedish or were written in another language.
improved over the years, especially since new feeding systems have more features.