Heat oven to 400 degrees. Line a sheet pan with parchment paper. Mix flour, wheat germ, brewer’s yeast, and salt together in a medium bowl.
In a mixing bowl, combine oil and garlic. Alternately add 1/2 cup chicken stock and flour mixture in 3 parts; mix until well combined. Knead about 2 minutes by hand on floured surface; dough will be sticky.
On a lightly floured surface, roll dough out.
about 3/8 inch thick. Cut out bone shapes; place on prepared baking sheet.
Bake 10 minutes, rotate baking sheet, and baste with remaining 3 tablespoons chicken stock.
Bake 10 minutes longer.
Turn off oven, leaving oven door closed. Leave pan in oven for 1 1/2 hours longer.