In a large bowl, combine 1 cup of the oats, shortening, and salt. In a saucepan, bring the milk to a gentle boil. Pour hot milk over the oat mixture. Stir, cover, and cool to lukewarm.
Dissolve the yeast in lukewarm water, set aside.
In a bowl of a stand mixer or in large mixing bowl using a Danish dough whisk, combine the maple syrup, eggs, and dissolved yeast with the oatmeal mixture.
Using a dough hook, stir in 4 cups of the flour and wheat germ until combined. Add more flour as needed. (This dough will be STICKY!!)
Use a plastic bench scraper to turn the dough out onto a lightly floured work surface. Knead the bread for 3-4 minutes.
Form into a ball and place into a greased bowl. Cover with plastic wrap or disposable plastic shower cap and let rise in a warm place until doubled. (about 1 to 1 ½ hours)
Grease three (9x5-inch) loaf pans and set aside. Or two (10x5-inch) loaf pans.
Punch down the dough and shape into loaves. Transfer to the prepared pans.
Cover loosely with plastic wrap and let rise until doubled. (about 30 minutes to 1 hour)
Make a cut on the top, lengthwise of each loaf with a sharp serrated knife or a bread lame. Brush each loaf with the beaten egg and sprinkle with the remaining ¼ cup rolled oats and brown sugar.
Preheat the oven to 375 degrees F. Bake loaves for 35-40 minutes, until golden brown. until the outside is golden brown and internal temperature is 195-200 degrees.
Let cool for 10 minutes. Remove from bread pans and let cool completely on a baking rack.