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Animal euthanasia
Animal euthanasia (euthanasia from Greek: εὐθανασία; "good death") is the act of killing an animal humanely, most commonly with injectable drugs. Reasons for euthanasia include incurable (and especially painful) conditions or diseases, lack of resources to continue supporting the animal, or laboratory test procedures. Euthanasia methods are designed to cause minimal pain and distress. Euthanasia is distinct from animal slaughter and pest control.
In domesticated animals, the discussion of animal euthanasia may be substituted with euphemisms, such as "put down" or "put to sleep" to make the wording less harsh.
The methods of euthanasia can be divided into pharmacological and physical methods. Acceptable pharmacological methods include injected drugs and gases that first depress the central nervous system and then cardiovascular activity. Acceptable physical methods must first cause rapid loss of consciousness by disrupting the central nervous system. The most common methods are discussed here, but there are other acceptable methods used in different situations.
Upon administration of intravenous anesthetic, unconsciousness, respiratory then cardiac arrest follow rapidly, usually within 30 seconds.
The two-stage process that some veterinarians use includes a first shot that is a sedative to make the animal more comfortable and then a second shot that euthanizes the animal. This allows the owner the chance to say goodbye to a live pet without their emotions stressing the animal. It also greatly mitigates any tendency toward spasm and other involuntary movement which tends to increase the emotional upset that the pet's owner experiences.[citation needed]
For large animals, the volumes of barbiturates required are considered by some to be impractical, although this is standard practice in the United States. For horses and cattle, other drugs may be available. Some specially formulated combination products are available, such as Somulose (secobarbital/cinchocaine) and Tributame (embutramide/chloroquine/lidocaine), which cause deep unconsciousness and cardiac arrest independently with a lower volume of injection, thus making the process faster, safer, and more effective.
Occasionally, a horse injected with these mixtures may display apparent seizure activity before death. This may be due to premature cardiac arrest. However, if normal precautions (e.g., sedation with detomidine) are taken, this is rarely a problem. Anecdotal reports that long-term use of phenylbutazone increases the risk of this reaction are unverified.
After the animal has died, it is not uncommon for the body to have posthumous body jerks or a sudden bladder or bowel outburst. This is caused by the muscles of the deceased animal's body relaxing.[citation needed]
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Animal euthanasia
Animal euthanasia (euthanasia from Greek: εὐθανασία; "good death") is the act of killing an animal humanely, most commonly with injectable drugs. Reasons for euthanasia include incurable (and especially painful) conditions or diseases, lack of resources to continue supporting the animal, or laboratory test procedures. Euthanasia methods are designed to cause minimal pain and distress. Euthanasia is distinct from animal slaughter and pest control.
In domesticated animals, the discussion of animal euthanasia may be substituted with euphemisms, such as "put down" or "put to sleep" to make the wording less harsh.
The methods of euthanasia can be divided into pharmacological and physical methods. Acceptable pharmacological methods include injected drugs and gases that first depress the central nervous system and then cardiovascular activity. Acceptable physical methods must first cause rapid loss of consciousness by disrupting the central nervous system. The most common methods are discussed here, but there are other acceptable methods used in different situations.
Upon administration of intravenous anesthetic, unconsciousness, respiratory then cardiac arrest follow rapidly, usually within 30 seconds.
The two-stage process that some veterinarians use includes a first shot that is a sedative to make the animal more comfortable and then a second shot that euthanizes the animal. This allows the owner the chance to say goodbye to a live pet without their emotions stressing the animal. It also greatly mitigates any tendency toward spasm and other involuntary movement which tends to increase the emotional upset that the pet's owner experiences.[citation needed]
For large animals, the volumes of barbiturates required are considered by some to be impractical, although this is standard practice in the United States. For horses and cattle, other drugs may be available. Some specially formulated combination products are available, such as Somulose (secobarbital/cinchocaine) and Tributame (embutramide/chloroquine/lidocaine), which cause deep unconsciousness and cardiac arrest independently with a lower volume of injection, thus making the process faster, safer, and more effective.
Occasionally, a horse injected with these mixtures may display apparent seizure activity before death. This may be due to premature cardiac arrest. However, if normal precautions (e.g., sedation with detomidine) are taken, this is rarely a problem. Anecdotal reports that long-term use of phenylbutazone increases the risk of this reaction are unverified.
After the animal has died, it is not uncommon for the body to have posthumous body jerks or a sudden bladder or bowel outburst. This is caused by the muscles of the deceased animal's body relaxing.[citation needed]