"Section 3.    In order to raise the necessary fund for the activities herein provided, there shall be collected for animals slaughtered in any public slaughterhouse including those in chartered cities, or in private meat packing establishments, pre-slaughter fees at the following rates: 

"(a)    For cattle, carabaos, buffaloes,
    horses, mules, and other animals
    of the bovine family    P0.90 per head;

"(b)    For swine    P0.90 per head; and

"(c)    For sheep, goats, and deer    P0.30 per head.

"The municipal treasurers shall, in addition to their regular duties, make such collections and shall, at the end of every month, remit the same to the Treasurer of the Philippines to the credit of "Philippine Livestock Promotion Fund," to be expended in accordance with the provisions of this Act."