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Articles 1 - 12 of 12
Full-Text Articles in Animal Sciences
Arkansas Animal Science Department Report 2003, Zelpha B. Johnson, D. Wayne Kellogg
Arkansas Animal Science Department Report 2003, Zelpha B. Johnson, D. Wayne Kellogg
Arkansas Agricultural Experiment Station Research Series
The faculty and staff of the Animal Science Program are pleased to present the sixth edition of the Arkansas Animal Science Report. As with virtually all programs in the country, budget constraints presented serious challenges to teaching, research, and extension programming. However, the faculty and staff responded with innovation, good management, and hard work to maintain a productive program designed to benefit the students of the University and the citizens of the state. We are committed to remaining faithful to our Land-Grant mission. A sincere thank you is owed to Dr. Zelpha Johnson and Dr. Wayne Kellogg for editing this …
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 …
Sheep Updates 2003 - Husbandry, Paul Barrett, Kevin Bell, J Greeff, L. Butler, S. Brown, K. Hart, A. Gray, John Karlsson, Paula Coombe, Ron Mctarrart, David Scobie, Sandy White
Sheep Updates 2003 - Husbandry, Paul Barrett, Kevin Bell, J Greeff, L. Butler, S. Brown, K. Hart, A. Gray, John Karlsson, Paula Coombe, Ron Mctarrart, David Scobie, Sandy White
Sheep Updates
This session covers seven papers from different authors:1. Setting up a successful, low input feedlot Paul Barrett, ‘Bimberdong’ Jerramungup 2. Effective mineral supplementation of sheep Kevin Bell, Sheep Management and Production Consultants, Kojonup, WA 3. Genetic benchmarking for WA sheep producers J. Greeff, L. Butler, S. Brown, K. Hart and A. Gray Department of Agriculture Western Australia 4. Does selecting sheep for low WEC reduce scouring? John Karlsson, Johan Greeff and Paula Coombe, Department of Agriculture Western Australia 5. Summer quarters for sheep - stubbles Ron McTaggart, Department of Agriculture Western Australia, Albany 6. Thinking about breeding Easy Care Sheep? …
Sheep Updates 2003 - Plenaries, Ashley Mercy, David Scobie, Neil Buchanan, Kevin Bell, John Milton, Graeme Martin, Bob Hall, Maurie Stephen, Rob Woodgate
Sheep Updates 2003 - Plenaries, Ashley Mercy, David Scobie, Neil Buchanan, Kevin Bell, John Milton, Graeme Martin, Bob Hall, Maurie Stephen, Rob Woodgate
Sheep Updates
This session covers eight papers from different authors:1. Biosecurity in the sheep industry will improve production and profits Ashley Mercy, Department of Agriculture, Western Australia 2. Easy care sheep David Scobie, AgResearch, PO Box 60 Lincoln, 8152, New Zealand 3. Targeting the market’s requirements - live sheep exports Neil Buchanan, Manager Animal Health Operations, Primary Industries & Resources, South Australia 4. Setting flock breeding objectives Kevin Bell, Sheep Management and Production Consultants, Kojonup WA 5. Future feeding of sheep in Western Australia John Milton and Graeme Martin, The University of Western Australia 6. Recipe for getting back into Sheep Bob …
Do Fishes Have Nociceptors? Evidence For The Evolution Of A Vertebrate Sensory System, Lynne U. Sneddon, Victoria A. Braithwaite, Michael J. Gentle
Do Fishes Have Nociceptors? Evidence For The Evolution Of A Vertebrate Sensory System, Lynne U. Sneddon, Victoria A. Braithwaite, Michael J. Gentle
Veterinary Science and Medicine Collection
Nociception is the detection of a noxious tissue-damaging stimulus and is sometimes accompanied by a reflex response such as withdrawal. Pain perception, as distinct from nociception, has been demonstrated in birds and mammals but has not been systematically studied in lower vertebrates. We assessed whether a fish possessed cutaneous nociceptors capable of detecting noxious stimuli and whether its behavior was sufficiently adversely affected by the administration of a noxious stimulus. Electrophysiological recordings from trigeminal nerves identified polymodal nociceptors on the head of the trout with physiological properties similar to those described in higher vertebrates. These receptors responded to mechanical pressure, …
Trigeminal Somatosensory Innervation Of The Head Of A Teleost Fish With Particular Reference To Nociception, Lynne U. Sneddon
Trigeminal Somatosensory Innervation Of The Head Of A Teleost Fish With Particular Reference To Nociception, Lynne U. Sneddon
Veterinary Science and Medicine Collection
Trigeminal somatosensory receptors have not been characterised in teleost fish and studies in elasmobranchs have failed to identify nociceptors. The present study examined the trigeminal nerve of a teleost fish, the rainbow trout (Oncorhynchus mykiss) to determine what types of somatosensory receptors were present on the head of the trout specifically searching for nociceptors. Single unit recordings were made from receptive fields on the head of the fish innervated by the trigeminal nerve. Each receptive field was tested for sensitivity to mechanical, thermal and chemical stimulation. Five different receptor types were found: fast adapting receptors responding to mechanical stimulation; slowly …
Addressing The Decline In Reproductive Performance Of Lactating Dairy Cows: A Researcher’S Perspective, William J. Silvia
Addressing The Decline In Reproductive Performance Of Lactating Dairy Cows: A Researcher’S Perspective, William J. Silvia
Animal and Food Sciences Faculty Publications
No abstract provided.
Volume 1, Number 2 (2003), Ut Institute Of Agriculture
Volume 1, Number 2 (2003), Ut Institute Of Agriculture
Tennessee Land, Life and Science Magazine
Issue Highlights:
- Insects as Teaching Tools
- Helping Children Succeed
- Honors Student Faces Bright Future
- Reinventing the Family Farm
Volume 1, Number 3 (2003), Ut Institute Of Agriculture
Volume 1, Number 3 (2003), Ut Institute Of Agriculture
Tennessee Land, Life and Science Magazine
Issue Highlights:
- Booming Biotechnology
- Lessons in Leadership
- New Options for Producers
- Entering an Exciting New Era
Volume 1, Number 1 (2003), Ut Institute Of Agriculture
Volume 1, Number 1 (2003), Ut Institute Of Agriculture
Tennessee Land, Life and Science Magazine
Issue Highlights:
- Adding Value to Dogwoods
- A Building to Advance Science
- Teaching Lessons in Life
- Towards a Brighter Forest Future
Farm Disease Crises In The United Kingdom: Lessons To Be Learned, Michael C. Appleby
Farm Disease Crises In The United Kingdom: Lessons To Be Learned, Michael C. Appleby
State of the Animals 2003
Over the last fifteen years, a diverse succession of disease-related crises has befallen farm animal and food industries in the United Kingdom. Some have involved animal health, with little risk to humans. Some have involved human health, with animals acting as a reservoir for infection but little affected themselves. Some, however— including the most alarming— have involved both animal and human health through zoonoses, diseases transmittable from animal to human. All of these crises are linked in the public mind and in many commentaries, and indeed there are issues that many of them share. The most common of these is …
Experimental Mycobacteriosis In Striped Bass Morone Saxatilis, D. T. Gauthier, M. W. Rhodes, W. K. Vogelbein, H. Kator, C. A. Ottinger
Experimental Mycobacteriosis In Striped Bass Morone Saxatilis, D. T. Gauthier, M. W. Rhodes, W. K. Vogelbein, H. Kator, C. A. Ottinger
Biological Sciences Faculty Publications
Striped bass Morone saxatilis were infected intraperitoneally with approximately 105 Mycobacterium marinum, M. shottsii sp. nov., or M. gordonae. Infected fish were maintained in a flow-through freshwater system at 18 to 21°C, and were examined histologically and bacteriologically at 2, 4, 6, 8, 17, 26, 36 and 45 wk post-infection (p.i.). M. marinum caused acute peritonitis, followed by extensive granuloma development in the mesenteries, spleen and anterior kidney. Granulomas in these tissues underwent a temporal progression of distinct morphological stages, culminating in well-circumscribed lesions surrounded by normal or healing tissue. Mycobacteria were cultured in high numbers from …