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Veterinary Toxicology and Pharmacology Commons™
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- Western Australia (9)
- Fish (5)
- Nociception (5)
- Rabbits (5)
- Vermin control (4)
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- Animal welfare (3)
- Euthanasia (3)
- Pain (3)
- T-61 (3)
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- 2-phenoxyethanol (2)
- Anaesthetic (2)
- Analgesia (2)
- Analgesics (2)
- Anesthetic drugs (2)
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- Baiting (2)
- Behaviour (2)
- Buprenorphine (2)
- Carprofen (2)
- Companion animals (2)
- Cortisol (2)
- Corynebacterium (2)
- Efficacy (2)
- Fish vaccines (2)
- Licensing (2)
- Lidocaine (2)
- Local anesthetics (2)
- Lolium rigidum (2)
- NSAIDs (2)
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Articles 1 - 30 of 30
Full-Text Articles in Veterinary Toxicology and Pharmacology
Compounded Gabapentin For Felines: Associated Metabolic Processes And Analysis Of Potency, Johnny Altwal
Compounded Gabapentin For Felines: Associated Metabolic Processes And Analysis Of Potency, Johnny Altwal
Student Scholar Symposium Abstracts and Posters
Pharmaceutical compounding provides pharmacists and clinicians the opportunity to create unique drug formulations that are better suited to a specific patient’s needs. This is especially prevalent in veterinary medicine where clinicians treat a variety of maladies in a large number of species, thereby requiring unique formulations to more easily deliver drugs to animals. Several examples of compounded veterinary formulations with sub-therapeutic potencies have been published, but none examine compounded gabapentin. Gabapentin is frequently compounded into an oral suspension for veterinary use from tablets or capsules for the purpose of pain management in felines and other small animals. The project’s goals …
Physiological And Behavioural Evaluation Of Common Anaesthesia Practices In The Rainbow Trout, Kieran C. Pounder, Jennifer L. Mitchell, Jack S. Thomson, Tom G. Pottinger, Lynne U. Sneddon
Physiological And Behavioural Evaluation Of Common Anaesthesia Practices In The Rainbow Trout, Kieran C. Pounder, Jennifer L. Mitchell, Jack S. Thomson, Tom G. Pottinger, Lynne U. Sneddon
Lynne Sneddon, PhD
Anaesthetic drugs are commonly administered to fish in aquaculture, research and veterinary contexts. Anaesthesia causes temporary absence of consciousness and may reduce the stress and/or pain associated with handling and certain invasive procedures. The rainbow trout (Oncorhynchus mykiss) is a widely-used model species with relevance to both aquaculture and natural ecosystems. This study sought to establish the relative acute impact of commonly used anaesthetics on rainbow trout when used for anaesthesia or euthanasia by exploring their effects on aversion behaviour and stress physiology. Five widely used anaesthetics were investigated at two concentrations reflective of common laboratory practises: MS-222, benzocaine, 2-phenoxyethanol, …
Reduction In Activity By Noxious Chemical Stimulation Is Ameliorated By Immersion In Analgesic Drugs In Zebrafish, Javier Lopez-Luna, Qussay Al-Jubouri, Waleed Al-Nuaimy, Lynne U. Sneddon
Reduction In Activity By Noxious Chemical Stimulation Is Ameliorated By Immersion In Analgesic Drugs In Zebrafish, Javier Lopez-Luna, Qussay Al-Jubouri, Waleed Al-Nuaimy, Lynne U. Sneddon
Lynne Sneddon, PhD
Research has recently demonstrated that larval zebrafish show similar molecular responses to nociception to those of adults. Our study explored whether unprotected larval zebrafish exhibited altered behaviour after exposure to noxious chemicals and screened a range of analgesic drugs to determine their efficacy to reduce these responses. This approach aimed to validate larval zebrafish as a reliable replacement for adults as well as providing a high-throughput means of analysing behavioural responses. Zebrafish at 5 days postfertilization were exposed to known noxious stimuli: acetic acid (0.01%, 0.1% and 0.25%) and citric acid (0.1%, 1% and 5%). The behavioural response of each …
Reduction In Activity By Noxious Chemical Stimulation Is Ameliorated By Immersion In Analgesic Drugs In Zebrafish, Javier Lopez-Luna, Qussay Al-Jubouri, Waleed Al-Nuaimy, Lynne U. Sneddon
Reduction In Activity By Noxious Chemical Stimulation Is Ameliorated By Immersion In Analgesic Drugs In Zebrafish, Javier Lopez-Luna, Qussay Al-Jubouri, Waleed Al-Nuaimy, Lynne U. Sneddon
Anesthesia and Analgesia Collection
Research has recently demonstrated that larval zebrafish show similar molecular responses to nociception to those of adults. Our study explored whether unprotected larval zebrafish exhibited altered behaviour after exposure to noxious chemicals and screened a range of analgesic drugs to determine their efficacy to reduce these responses. This approach aimed to validate larval zebrafish as a reliable replacement for adults as well as providing a high-throughput means of analysing behavioural responses. Zebrafish at 5 days postfertilization were exposed to known noxious stimuli: acetic acid (0.01%, 0.1% and 0.25%) and citric acid (0.1%, 1% and 5%). The behavioural response of each …
Physiological And Behavioural Evaluation Of Common Anaesthesia Practices In The Rainbow Trout, Kieran C. Pounder, Jennifer L. Mitchell, Jack S. Thomson, Tom G. Pottinger, Lynne U. Sneddon
Physiological And Behavioural Evaluation Of Common Anaesthesia Practices In The Rainbow Trout, Kieran C. Pounder, Jennifer L. Mitchell, Jack S. Thomson, Tom G. Pottinger, Lynne U. Sneddon
Anesthesia and Analgesia Collection
Anaesthetic drugs are commonly administered to fish in aquaculture, research and veterinary contexts. Anaesthesia causes temporary absence of consciousness and may reduce the stress and/or pain associated with handling and certain invasive procedures. The rainbow trout (Oncorhynchus mykiss) is a widely-used model species with relevance to both aquaculture and natural ecosystems. This study sought to establish the relative acute impact of commonly used anaesthetics on rainbow trout when used for anaesthesia or euthanasia by exploring their effects on aversion behaviour and stress physiology. Five widely used anaesthetics were investigated at two concentrations reflective of common laboratory practises: MS-222, benzocaine, 2-phenoxyethanol, …
Three Rs Approaches In The Production And Quality Control Of Fish Vaccines, Paul J. Midtlyng, Coenraad F.M. Hendriksen, Elisabeth Balks, Lukas Bruckner, Lawrence Elsken, Øystein Evensen, Kjetil Fyrand, Allison Guy, Marlies Halder, Penny Hawkins, Gunn Kisen, Anne Berit Romstad, Kira Salonius, Patrick Smith, Lynne U. Sneddon
Three Rs Approaches In The Production And Quality Control Of Fish Vaccines, Paul J. Midtlyng, Coenraad F.M. Hendriksen, Elisabeth Balks, Lukas Bruckner, Lawrence Elsken, Øystein Evensen, Kjetil Fyrand, Allison Guy, Marlies Halder, Penny Hawkins, Gunn Kisen, Anne Berit Romstad, Kira Salonius, Patrick Smith, Lynne U. Sneddon
Lynne Sneddon, PhD
The workshop on Three Rs Approaches in the Production and Quality Control of Fish Vaccines aimed a) to identify animal tests currently stipulated for the production and quality control of fish vaccines and to highlight animal welfare concerns associated with these tests; b) to identify viable options to replace, reduce, and refine animal use for fish vaccine testing; and c) to discuss the way forward and set out how the Three Rs may be implemented without jeopardizing the quality of the vaccines. The workshop participants -- experts from academia, regulatory authorities, a scientific animal welfare organization, and the fish vaccine …
Clinical Anesthesia And Analgesia In Fish, Lynne U. Sneddon
Clinical Anesthesia And Analgesia In Fish, Lynne U. Sneddon
Lynne Sneddon, PhD
Fish have become a popular experimental model and companion animal, and are also farmed and caught for food. Thus, surgical and invasive procedures in this animal group are common, and this review will focus on the anesthesia and analgesia of fish. A variety of anesthetic agents are commonly applied to fish via immersion. Correct dosing can result in effective anesthesia for acute procedures as well as loss of consciousness for surgical interventions. Dose and anesthetic agent vary between species of fish and are further confounded by a variety of physiological parameters (e.g., body weight, physiological stress) as well as environmental …
The Efficacy Of Three Types Of Analgesic Drugs In Reducing Pain In The Rainbow Trout, Oncorhynchus Mykiss, Jessica J. Mettam, Lois J. Oulton, Catherine R. Mccrohan, Lynne U. Sneddon
The Efficacy Of Three Types Of Analgesic Drugs In Reducing Pain In The Rainbow Trout, Oncorhynchus Mykiss, Jessica J. Mettam, Lois J. Oulton, Catherine R. Mccrohan, Lynne U. Sneddon
Lynne Sneddon, PhD
Recent research has shown the possibility of pain perception in fish; therefore, the use of analgesia or “painkillers” should be considered for invasive procedures. However, there is relatively little information on the effectiveness of analgesic drugs nor on the appropriate dose for fish. This study assessed the efficacy of three types of drug: an opioid, buprenorphine, a non-steroidal anti-inflammatory drug (NSAID), carprofen and a local anaesthetic, lidocaine. Each drug was tested at three doses on rainbow trout that were noxiously stimulated and the most effective dose was also given to fish experiencing no pain to investigate side-effects. Ventilation rate and …
T-61 Use In The Euthanasia Of Domestic Animals: A Survey, Andrew N. Rowan
T-61 Use In The Euthanasia Of Domestic Animals: A Survey, Andrew N. Rowan
Andrew N. Rowan, DPhil
A variety of techniques have been proposed and employed for the killing of domestic animals but relatively few have survived as suitable agents for euthanasia-namely, the induction of painless, suffering-free death. Some agents, such as strychnine, curariform agents, or potassium salts cause suffering while others have other disadvantages. 'lbday, dogs and cats are commonly euthanatized with sodium pentobarbital or with T-61 which is a mixture of a central nervous system narcotic, a paralytic agent, and a local anesthetic. The use of T-61 was first reported in the United States in 1963 (Quin 1963). The substance gradually became more popular because …
Clinical Anesthesia And Analgesia In Fish, Lynne U. Sneddon
Clinical Anesthesia And Analgesia In Fish, Lynne U. Sneddon
Veterinary Science and Medicine Collection
Fish have become a popular experimental model and companion animal, and are also farmed and caught for food. Thus, surgical and invasive procedures in this animal group are common, and this review will focus on the anesthesia and analgesia of fish. A variety of anesthetic agents are commonly applied to fish via immersion. Correct dosing can result in effective anesthesia for acute procedures as well as loss of consciousness for surgical interventions. Dose and anesthetic agent vary between species of fish and are further confounded by a variety of physiological parameters (e.g., body weight, physiological stress) as well as environmental …
The Efficacy Of Three Types Of Analgesic Drugs In Reducing Pain In The Rainbow Trout, Oncorhynchus Mykiss, Jessica J. Mettam, Lois J. Oulton, Catherine R. Mccrohan, Lynne U. Sneddon
The Efficacy Of Three Types Of Analgesic Drugs In Reducing Pain In The Rainbow Trout, Oncorhynchus Mykiss, Jessica J. Mettam, Lois J. Oulton, Catherine R. Mccrohan, Lynne U. Sneddon
Veterinary Science and Medicine Collection
Recent research has shown the possibility of pain perception in fish; therefore, the use of analgesia or “painkillers” should be considered for invasive procedures. However, there is relatively little information on the effectiveness of analgesic drugs nor on the appropriate dose for fish. This study assessed the efficacy of three types of drug: an opioid, buprenorphine, a non-steroidal anti-inflammatory drug (NSAID), carprofen and a local anaesthetic, lidocaine. Each drug was tested at three doses on rainbow trout that were noxiously stimulated and the most effective dose was also given to fish experiencing no pain to investigate side-effects. Ventilation rate and …
Three Rs Approaches In The Production And Quality Control Of Fish Vaccines, Paul J. Midtlyng, Coenraad F.M. Hendriksen, Elisabeth Balks, Lukas Bruckner, Lawrence Elsken, Øystein Evensen, Kjetil Fyrand, Allison Guy, Marlies Halder, Penny Hawkins, Gunn Kisen, Anne Berit Romstad, Kira Salonius, Patrick Smith, Lynne U. Sneddon
Three Rs Approaches In The Production And Quality Control Of Fish Vaccines, Paul J. Midtlyng, Coenraad F.M. Hendriksen, Elisabeth Balks, Lukas Bruckner, Lawrence Elsken, Øystein Evensen, Kjetil Fyrand, Allison Guy, Marlies Halder, Penny Hawkins, Gunn Kisen, Anne Berit Romstad, Kira Salonius, Patrick Smith, Lynne U. Sneddon
Veterinary Science and Medicine Collection
The workshop on Three Rs Approaches in the Production and Quality Control of Fish Vaccines aimed a) to identify animal tests currently stipulated for the production and quality control of fish vaccines and to highlight animal welfare concerns associated with these tests; b) to identify viable options to replace, reduce, and refine animal use for fish vaccine testing; and c) to discuss the way forward and set out how the Three Rs may be implemented without jeopardizing the quality of the vaccines. The workshop participants -- experts from academia, regulatory authorities, a scientific animal welfare organization, and the fish vaccine …
The Effects Of The Acetic Acid “Pain” Test On Feeding, Swimming, And Respiratory Responses Of Rainbow Trout (Oncorhynchus Mykiss): A Critique On Newby And Stevens (2008), Lynne U. Sneddon
Experimentation Collection
Newby and Stevens’ (2008) paper ‘‘The effects of the acetic acid ‘pain’ test on feeding, swimming, and respiratory responses of rainbow trout (Oncorhynchus mykiss)’’ examines the effects of a noxious stimulus on the behaviour of trout in an attempt to replicate research conducted in my laboratory (Sneddon, 2003a; Sneddon, 2007; Sneddon et al., 2003a,b; Reilly et al., 2008). However, the authors used a different protocol to the one already published and I would like to respond to some of their points of discussion to provide scientific explanations for their results using data from my laboratory. The authors show that swimming …
The Evidence For Pain In Fish: The Use Of Morphine As An Analgesic, Lynne U. Sneddon
The Evidence For Pain In Fish: The Use Of Morphine As An Analgesic, Lynne U. Sneddon
Veterinary Science and Medicine Collection
This paper discusses the evidence for pain perception in fish and presents new data on morphine analgesia in fish. Recent anatomical and electrophysiological studies have demonstrated that fish are capable of nociception, the simple detection of a noxious, potentially painful stimulus and the reflex response to this. To prove pain perception, it must be demonstrated that an animal’s behaviour is adversely affected by a potentially painful event and this must not be a reflex response. The present study examined the acute effects of administering a noxious chemical to the lips of rainbow trout (Oncorhynchus mykiss) to assess what changes occurred …
The Sandplain Lupin : Its Nutritional Value And Grazing Management, P W. Morcombe
The Sandplain Lupin : Its Nutritional Value And Grazing Management, P W. Morcombe
Journal of the Department of Agriculture, Western Australia, Series 4
The sandplain lupin or Western Australian blue lupin (Lupinus cosentinii) was introduced to the West Midlands at the turn of the last century. Since that time it has been used as a self-regenerating summer forage for sheep and cattle.
Being deep rooted, it has adapted well to the sandy soils from Perth to Northampton, and plantings now cover more than 100,000 ha.
As few other improved pasture species will persist on these deep sands the sandplain lupin provides an important source of summer feed for grazing livestock. A stand can be grazed throughout summer at stocking rates of 10 to …
T-61 Use In The Euthanasia Of Domestic Animals: A Survey, Andrew N. Rowan
T-61 Use In The Euthanasia Of Domestic Animals: A Survey, Andrew N. Rowan
Veterinary Science and Medicine Collection
A variety of techniques have been proposed and employed for the killing of domestic animals but relatively few have survived as suitable agents for euthanasia-namely, the induction of painless, suffering-free death. Some agents, such as strychnine, curariform agents, or potassium salts cause suffering while others have other disadvantages. 'lbday, dogs and cats are commonly euthanatized with sodium pentobarbital or with T-61 which is a mixture of a central nervous system narcotic, a paralytic agent, and a local anesthetic. The use of T-61 was first reported in the United States in 1963 (Quin 1963). The substance gradually became more popular because …
Review Of Literature On Use Of T-61 As An Euthanasic Agent, Laura Dalia Barocio
Review Of Literature On Use Of T-61 As An Euthanasic Agent, Laura Dalia Barocio
Veterinary Science and Medicine Collection
The tools of evaluating the degree of distress in animals being killed include electroencephalography (EEG), electrocardiography (ECG), and measurement of blood pressure and respiration. Sound clinical and behavioral observations should also not be abandoned in the evaIuation process.
There are many methods which may be employed to reach the same end results, but the ideal method should satisfy several criteria: 1. It should be painless; 2. It should cause unconsciousness instantaneously and death within minutes; 3. It should not cause undue anxiety, alarm, fear, panic, behavior, struggling, vocalization, muscle spasms or clinical signs of automatic activation (e.g., convulsions) before unconsciousness; …
Prostaglandin F2a Induced Nest Building Behavior In The Non-Pregnant Sow, And Some Welfare Considerations, Judith K. Blackshaw
Prostaglandin F2a Induced Nest Building Behavior In The Non-Pregnant Sow, And Some Welfare Considerations, Judith K. Blackshaw
Agribusiness Collection
Nest building behavior, induced with intramuscular injections of prostaglandin F2a (PGF2a), was studied in non-pregnant sows. Acute effects, which included salivation, scratching, vomiting, defaecation and ataxia, were also recorded. Sows (Large White x Landrace) were housed in two different environments; six sows in bare pens and six sows in pens provided with bedding material. In all cases except one (bare pen) nest building sequences of differing intensities were recorded. Welfare suggestions include questioning the justification of using a drug (PGF2a) in pig husbandry, which has unpleasant acute effects, and the suggestion that the provision of …
Lupinosis : A Disease Still With Us, Jeremy G. Allen, P. Mcr. Wood, K. P. Crocker, J. Hamblin
Lupinosis : A Disease Still With Us, Jeremy G. Allen, P. Mcr. Wood, K. P. Crocker, J. Hamblin
Journal of the Department of Agriculture, Western Australia, Series 4
Current research on lupinosis continues to reveal what a complex problem it is, but the improved understanding should help to reduce losses.
Controlling Annual Ryegrass Toxicity, C H. Trotman
Controlling Annual Ryegrass Toxicity, C H. Trotman
Journal of the Department of Agriculture, Western Australia, Series 4
Eight years of intensive work has changed annual ryegrass toxicity from an unknown killer to a manageable problem.
Annual ('Wimmera') Ryegrass Toxicity, Geoffrey A. Pearce, O. M. Goss, P. H. Berry, J. L. Wise
Annual ('Wimmera') Ryegrass Toxicity, Geoffrey A. Pearce, O. M. Goss, P. H. Berry, J. L. Wise
Journal of the Department of Agriculture, Western Australia, Series 4
Because annual ryegrass is one of the most widespread pasture plants in Western Australia, annual ryegrass toxicity is a threat to livestock in many agricultural areas—even though the area now affected is small.
The problem is being intensively studied by the Department of Agriculture and a working group has been set up to investigate potential control measures.
In this article the group reviews the problem and reports progress in its investigations to the end of 1973.
Development Of A Selective Bait For Rabbits, A J. Oliver, S. H. Wheeler
Development Of A Selective Bait For Rabbits, A J. Oliver, S. H. Wheeler
Journal of the Department of Agriculture, Western Australia, Series 4
It has long been recognised that a means of killing rabbits selectively in the presence of stock would be a major advance in rabbit control. It would enable a whole farm to be treated for rabbit control at one time, saving operational costs and cutting down reinfestation of rabbits into treated areas from untreated areas.
A literature search and some pilot trials indicated that indandione derivatives were more toxic to rabbits than to ruminants.
Pindone (2- pivalyl-l,3-indandione) was selected for evaluation.
Fumigation And Rabbit Control, Department Of Agriculture, Western Australia
Fumigation And Rabbit Control, Department Of Agriculture, Western Australia
Journal of the Department of Agriculture, Western Australia, Series 4
Fumigation has been a valuable tool in Australian rabbit control for over 70 years, because of its economy and efficiency compared with methods such as shooting and trapping.
Even now, while it is not as economical as 'one-shot' baiting, fumigation remains a valuable initial control effort because it is not affected by season and does not require shifting of stock.
Wildlife Hazards From 1080 Baiting, A R. Tomlinson, C. D. Gooding
Wildlife Hazards From 1080 Baiting, A R. Tomlinson, C. D. Gooding
Journal of the Department of Agriculture, Western Australia, Series 4
ONE-SHOT oat baiting with sodium fluoroacetate (1080) is a relatively safe method of trail baiting rabbits.
The hazard to wildlife is small and every effort is made to further reduce the hazard by selective application of the poison.
Vermin Control This Month, Department Of Agriculture, Western Australia
Vermin Control This Month, Department Of Agriculture, Western Australia
Journal of the Department of Agriculture, Western Australia, Series 4
THE effects of the very wet winter are no longer being felt in vermin control activities in most of Western Australia and they have returned to normal.
One Shot Baiting, C D. Gooding, L. A. Harrison
One Shot Baiting, C D. Gooding, L. A. Harrison
Journal of the Department of Agriculture, Western Australia, Series 4
THE Agriculture Protection Board introduced the first of its contract poisoning schemes in 1955 in the lower South-West when three units undertook the first "1080" poisoning for farmers in Western Australia.
The originators of one-shot baiting describe this new technique and explain how it should be used for best results on the farm.
Horse Problems In The Kimberleys, M R. Gardiner
Horse Problems In The Kimberleys, M R. Gardiner
Journal of the Department of Agriculture, Western Australia, Series 4
A review of current horse disease and ill-thrift problems in the Kimberley region of Western Australia, with emphasis on the "Kimberley horse disease".
DISEASES and other conditions affecting the health and working capacity of the horse have long had an important bearing on the economy of the cattle and sheep industries of the northern part of Western Australia.
Under present conditions it is impossible to muster stock on the large pastoral leases in the Kimberley districts without the aid of horses, and many other operations would be more difficult if stockmen were denied their services.
Vermin Control This Month, Department Of Agriculture, Western Australia
Vermin Control This Month, Department Of Agriculture, Western Australia
Journal of the Department of Agriculture, Western Australia, Series 4
Vermin control activities need to continue to avoid a build up later in the year.
A Successful Campaign Against The Euro, E H M Ealey, T. M. Richardson
A Successful Campaign Against The Euro, E H M Ealey, T. M. Richardson
Journal of the Department of Agriculture, Western Australia, Series 4
RESULTS from a five-year research programme carried out by the C.S.I.R.O. on the Abydos-Woodstock Pastoral Research Station indicated that euros could be controlled in a practical and economic way by the traditional method of water poisoning,
if it was continued for an extended period and carried out over a large area. Smallscale trials supported this claim, but no opportunity had occurred to assess the practicability of a large-scale poisoning operation.
Free Feeding For The Control Of Rabbits, C Marshall
Free Feeding For The Control Of Rabbits, C Marshall
Journal of the Department of Agriculture, Western Australia, Series 4
IN common with most other farm work, the control of rabbits calls for a high degree of skill, patience and perseverance.
There is no short cut to success, and if results are required we must be prepared to give of our best.
Failures of control works are experienced at various times, and the reasons can generally be traced back to something we have failed to do or some short cut we have tried to take.
However, we should not lose heart from one failure. During normal farming procedure, if a farmer's crop fails he does not give up planting in …