VMD 511: Animal Welfare, Ethics and Jurisprudence (2+0)

ETIOLOGY

• Mechanical obstruction in the respiratory tract by Foreign bodies, exudation, tumours, anaphylactic bronchospasm, suffocation and drowning – blocks the lumen of the respiratory tract from within.
  • Spasm of glottis occur due to mechanical irritation and irritant gases, forcible closure of mouth and nose by any means.
• Absence of sufficient oxygen at high altitudes. Presence of inert gases like carbon monoxide in the atmosphere.
• Stoppage of movements of chest from exhaustion of the respiratory muscles due to cold and debility.
  • Paralysis of the respiratory muscles due to the diseases (or) injury of the medulla (or) phrenic nerve (or) pneumogastric nerves.
  • Mechanical pressure on the chest or abdomen
  • Tonic spasm due to Tetanus or Strychnine poisoning
• Collaspe of the lungs due to
  • Penetrating wounds of the thorax
  • Diseases – Pleurisy with effusion
  • Empgema
  • Pneumothrax
• Non-entrance of blood into the legs as in embolism plugging the pulmonary artery.