Gruyere (Swiss Cheese) is a cheese made in Switzerland.To make cheese bacteria's needed, concerning gruyere, that's gassy bacteria which produces holey cheese. It seems that this kind of nutriment will be a treat for mouse, so that somebody practises diet about it, for fear of cheese shor tage thereby causes mice's deaths with starvation. If all the rodents're disappearing, mankind will be charged with mice's genocide, isn't it? According to the East's belief each year of the lunar calendar will match with an animal & the coming lunar year will be the year of the mouse. Be cause Asian people disgust cheese, therefore they are not dreading to be charged with mice's genocide.