If you are a rabbi of a developing community or a shliach around whom a community is starting to develop, you are surely familiar with the problem: you have a "Yoreh Yoreh" semicha certificate stating that "any community you serve as rabbi and leader will be satisfied with him in all matters," but the learning before marriage of Hilchos basar v'chalav and taaruvos do not help you with most of the questions that come to you daily.