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Toad Dissection for Years 8 to 10 - Education Queensland

Toad Dissection for Years 8 to 10 - Education Queensland

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Schools Repeating Application Form <strong>for</strong> <strong>Toad</strong> <strong>Dissection</strong> – <strong>Years</strong> 8-<strong>10</strong> 1/<strong>10</strong>/20<strong>10</strong><br />

Approval: Activity Continuous EDUCATION QUEENSLAND<br />

<strong>Toad</strong><br />

dissection<br />

Internal<br />

inspection<br />

<strong>Toad</strong><br />

disposal<br />

Option 2: Pithing – Only <strong>to</strong> be<br />

conducted by staff competent in this<br />

procedure.<br />

Pithing is only conducted by a teacher<br />

or scientific assistant who has been<br />

trained in this technique by<br />

demonstration and then under<br />

observation of a competent person<br />

until competence is gained.<br />

Option 3: Veterinary euthanasia.<br />

The <strong>to</strong>ad is euthanized by a<br />

veterinarian or an experienced<br />

opera<strong>to</strong>r using drugs approved by the<br />

<strong>Queensland</strong> Health Department.<br />

Begin the dissection by placing the<br />

<strong>to</strong>ad on its back and pinning it <strong>to</strong> the<br />

board through its feet.<br />

Make the necessary incision/s and<br />

pin back the skin layer <strong>to</strong> the right and<br />

the left side of the <strong>to</strong>ad.<br />

Cut through the abdominal wall and<br />

pin out the flaps of the abdominal wall<br />

on either side.<br />

Identify the significant organs of the<br />

digestive system and trace the<br />

pathway linking these organs. Note<br />

observations and sketch the relative<br />

positions of these organs.<br />

Identify the significant organs of the<br />

respira<strong>to</strong>ry system and trace the<br />

pathway linking these organs. Note<br />

observations and sketch the relative<br />

positions of these organs.<br />

Identify the significant organs of the<br />

circula<strong>to</strong>ry system and trace the<br />

pathway linking these organs. Note<br />

observations and sketch the relative<br />

positions of these organs.<br />

Upon completion of the dissection<br />

activity all <strong>to</strong>ads and tissue used in the<br />

experiment will be placed in<strong>to</strong> plastic<br />

bags.<br />

The plastic bags are sealed and<br />

s<strong>to</strong>red in the freezer until the time of<br />

disposal.<br />

All the plastic-encased animal tissue<br />

is placed in the garbage disposal<br />

service or medical disposal system<br />

used within the school site.<br />

Teacher <strong>to</strong>ad dissection<br />

demonstrations are best undertaken<br />

using a pithed <strong>to</strong>ad.<br />

PLEASE NOTE: PITHING IS A<br />

SPECIALIST TECHNIQUE. STAFF<br />

MEMBERS UNDERTAKING PITHING<br />

MUST BE COMPETENT IN THIS<br />

TECHNIQUE.<br />

PLEASE NOTE: Pithing is NEVER <strong>to</strong><br />

be undertaken as a class<br />

demonstration.<br />

<strong>Toad</strong>s must be handled and<br />

euthanized quickly and efficiently by a<br />

competent opera<strong>to</strong>r.<br />

The <strong>to</strong>ad is unconscious without<br />

recovery.<br />

Page 12 of 25

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