Kumari Anjana Assistant Professor Deptt of Veterinary Pharmacology amp Toxicology Bihar Veterinary College Bihar Animal Sciences University Patna Euthanasia Euthanasia good death ID: 1043122
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1. Euthanizing agentsDr. Kumari AnjanaAssistant ProfessorDeptt. of Veterinary Pharmacology & ToxicologyBihar Veterinary College, Bihar Animal Sciences University, Patna
2. Euthanasia Euthanasia (“good death”) is an act of inducing human death.ORIt is the process of killing an animal without causing pain.Euthanasia is humane killing of animals by a veterinarian upon request of the owner of the animal under specific circumstances:To relieve from undue suffering: incurable disease or extremely painful conditions.If the animal becomes unfit for the purpose of its maintenance.If the animal becomes dangerously aggressive or rabid.
3. List of Euthanizing agents:Inhalation agents:Carbon monoxideCarbon dioxideInhalation anaesthetics (diethyl ether, enflurane, halothane, isoflurane, methoxyflurane)NitrogenInjectable agents:BarbituratesChloral hydrate and adjuvantsEthanolMiscellaneous injectable general anaesthetics (used as adjuvants to other, primary agents in selected circumstances)
4. Ideal Euthanizing Agent:Should cause death smoothly without causing any struggling or pain.The agent is sure to cause death.Should be easily administrableShould be safe for the handling personShould not be a cause of environmental insanitation or contamination.Inexpensive.
5. Agent Mechanism of actionInhalation agentsCarbon monoxideNeuromuscular blocking drugs Combines with hemoglobin, lowering oxygen content of bloodCarbon dioxide Direct depression of CNS and other vital organs; anaesthetic effectsHydrogen cyanideDirect inhibition of cellular utilization of oxygenInhalation agentsDirect depression of CNS and other vital organsNitrogenDisplaces oxygen in the inspired breath: lowers oxygen content of bloodInjectable agents BarbituratesDirect depression of CNS; anesthetic effectsChloral hydrate and combinationsDirect depression of CNS; anesthetic effectsEthanolDirect depression of CNST61Direct depression of CNSNeuromuscularblocking drugParalysis of respiratory muscles
6. Route of administrationBarbiturates: i/p, i/v or i/cardiac in small animals.Chloral hydrate: i/v in large animals.Saturated solution of magnesium sulphate (1:1) i/v in small or large animals.Inhalation Anaesthetics: Ether or chloroform in dogs, cats, birds or rodents (pre-treat with tranquilizers to prevent, howling, excitement or struggling).Carbon Monoxide (Chamber): Dogs and cats (pre-treat with tranquilizers to prevent excitement or struggling).
7. Ideal Agent: Pentobarbitone (6.6 G) + Chloral hydrate (30 G) + Magnesium sulphate (15 G) in 1000 ml water i/v: Rapid respiratory failure and cardiac arrest without causing muscular twitching’s or spasms.
8. Thank You