(e) Humane methods for killing animals shall include, but not be limited to, the following:

1. (1) inhalant agents such as carbon dioxide for small rodents;

2. (2) noninhalant pharmacological agents such as:

   1. (i) barbituric acid derivatives; and
   2. (ii) a combination of chloral hydrate, magnesium sulfate and sodium pentabarbital for large animals;
3. (3) physical methods such as decapitation for small animals.

(f) Inhumane methods which are prohibited shall include but not limited to the following:

1. (1) noninhalant pharmacological agents such as:

   1. (i) chloral hydrate alone;
   2. (ii) strychnine;
   3. (iii) magnesium sulfate alone; or
   4. (iv) curariform drugs or agents with curariform activity;

2. (2) physical methods such as:

   1. (i) drowning; or
   2. (ii) exsanguination without causing prior unconsciousness.