Flea Halter Cookie Recipe

Found this recipe on a website this a.m. - actually it was a catalog website but it had this recipe - go figure. So my question is couldn't I just add the wheat germ and brewer's yeast to my dog's food and get the same "flea halting" ?? Of course my dogs wouldn't LOVE me the way they do when I give them home-made biscuits I have NOT tried this so can't say anything about it - use at your own risk... Any comments welcomed.
Susan in Vermont

Flea Halter Dog Cookies


Ingredients

1 cup flour
1/4 cup wheat germ
1/4 cup brewer's yeast (available at health-food stores)
1 teaspoon salt
1 tablespoon plus 1 1/2 teaspoons canola oil
1 clove garlic, chopped medium
1/2 cup chicken stock plus 3 tablespoons for basting


Directions
1. 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.


2. 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.