In this Act, unless the context otherwise requires—
“animal” does not include viruses, bacteria, algae, fungi or protozoa;
“harry” includes chase in such a way as may be likely to cause injury or suffering; and “harrying” shall be construed accordingly;
“injury” includes death, any abortion or other impairment of physical or mental condition and any loss of or diminution in the produce of an animal and, subject to section 1(4) of this Act, disease.