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Author |
Goodwin, D.; Davidson, H.P.B.; Harris, P. |
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Title  |
Foraging enrichment for stabled horses: effects on behaviour and selection |
Type |
Journal Article |
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Year |
2002 |
Publication |
Equine Veterinary Journal |
Abbreviated Journal |
Equine Vet J |
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Volume |
34 |
Issue |
7 |
Pages |
686-691 |
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Keywords |
Animal Feed; Animal Husbandry/*methods; Animal Welfare; Animals; *Behavior, Animal; Female; Horse Diseases/*psychology; Horses/*physiology; Housing, Animal; Male; *Poaceae; *Stereotyped Behavior; Videotape Recording |
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Abstract |
The restricted access to pasture experienced by many competition horses has been linked to the exhibition of stereotypic and redirected behaviour patterns. It has been suggested that racehorses provided with more than one source of forage are less likely to perform these patterns; however, the reasons for this are currently unclear. To investigate this in 4 replicated trials, up to 12 horses were introduced into each of 2 identical stables containing a single forage, or 6 forages for 5 min. To detect novelty effects, in the first and third trials the single forage was hay. In the second and fourth, it was the preferred forage from the preceding trial. Trials were videotaped and 12 mutually exclusive behaviour patterns compared. When hay was presented as the single forage (Trials 1 and 3), all recorded behaviour patterns were significantly different between stables; e.g. during Trial 3 in the 'Single' stable, horses looked over the stable door more frequently (P<0.001), moved for longer (P<0.001), foraged on straw bedding longer (P<0.001), and exhibited behaviour indicative of motivation to search for alternative resources (P<0.001) more frequently. When a previously preferred forage was presented as the single forage (Trials 2 and 4) behaviour was also significantly different between stables, e.g in Trial 4 horses looked out over the stable door more frequently (P<0.005) and foraged for longer in their straw bedding (P<0.005). Further study is required to determine whether these effects persist over longer periods. However, these trials indicate that enrichment of the stable environment through provision of multiple forages may have welfare benefits for horses, in reducing straw consumption and facilitating the expression of highly motivated foraging behaviour. |
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Anthrozoology Institute, University of Southampton, UK |
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0425-1644 |
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PMID:12455839 |
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no |
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Call Number |
refbase @ user @ |
Serial |
1910 |
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Author |
Cilnis, M.J.; Kang, W.; Weaver, S.C. |
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Title |
Genetic conservation of Highlands J viruses |
Type |
Journal Article |
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Year |
1996 |
Publication |
Virology |
Abbreviated Journal |
Virology |
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Volume |
218 |
Issue |
2 |
Pages |
343-351 |
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Keywords |
Alphavirus/*genetics; Alphavirus Infections/transmission/veterinary/virology; Amino Acid Sequence; Animals; Base Sequence; Conserved Sequence; Disease Outbreaks; Encephalitis, Viral/veterinary/virology; *Evolution, Molecular; Horses; Molecular Sequence Data; Phylogeny; RNA, Viral/genetics; Sequence Alignment; Sequence Analysis, DNA; Sequence Homology, Nucleic Acid; Turkeys; Variation (Genetics)/*genetics |
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Abstract |
We studied molecular evolution of the mosquito-borne alphavirus Highlands J (HJ) virus by sequencing PCR products generated from 19 strains isolated between 1952 and 1994. Sequences of 1200 nucleotides including portions of the E1 gene and the 3' untranslated region revealed a relatively slow evolutionary rate estimated at 0.9-1.6 x 10(-4) substitutions per nucleotide per year. Phylogenetic trees indicated that all HJ viruses descended from a common ancestor and suggested the presence of one dominant lineage in North America. However, two or more minor lineages probably circulated simultaneously for periods of years to a few decades. Strains isolated from a horse suffering encephalitis, and implicated in a recent turkey outbreak, were not phylogenetically distinct from strains isolated in other locations during the same time periods. Our findings are remarkably similar to those we obtained previously for another North American alphavirus, eastern equine encephalomyelitis virus, with which Highlands J shares primary mosquito and avian hosts, geographical distribution, and ecology. These results support the hypotheses that the duration of the transmission season affects arboviral evolutionary rates and vertebrate host mobility influences genetic diversity. |
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Department of Biology, University of California, San Diego, La Jolla 92093-0116, USA |
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ISSN |
0042-6822 |
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Notes |
PMID:8610461 |
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no |
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Call Number |
Equine Behaviour @ team @ |
Serial |
2657 |
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Author |
Hinrichs, K.; Watson, E.D.; Kenney, R.M. |
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Title |
Granulosa cell tumor in a mare with a functional contralateral ovary |
Type |
Journal Article |
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Year |
1990 |
Publication |
Journal of the American Veterinary Medical Association |
Abbreviated Journal |
J Am Vet Med Assoc |
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Volume |
197 |
Issue |
8 |
Pages |
1037-1038 |
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Keywords |
Animals; Corpus Luteum/*physiopathology; Female; Granulosa Cell Tumor/pathology/physiopathology/*veterinary; Horse Diseases/*pathology/physiopathology; Horses; Ovarian Neoplasms/pathology/*veterinary; Ovary/*pathology/physiopathology |
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Abstract |
A functional corpus luteum was found in the ovary contralateral to the ovary with a granulosa cell tumor in a 24-year-old Standardbred mare. The mare was ovariectomized because she was to be used as a jump mare for collection of semen from stallions. The blood concentration of progesterone was 2.2 ng/ml, and the luteal tissue progesterone concentration was 6.3 micrograms/mg. Atrophy of the contralateral ovary is one of the major signs used in diagnosis of granulosa cell tumor; however, our findings indicate that the ovary contralateral to a granulosa cell tumor is not invariably nonfunctional. |
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Department of Medicine, School of Veterinary Medicine, Tufts University, North Grafton, MA 01536 |
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English |
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ISSN |
0003-1488 |
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Notes |
PMID:2243036 |
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no |
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Call Number |
Equine Behaviour @ team @ |
Serial |
3802 |
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Author |
Hoogstraal, H.; Dhanda, V.; Bhat, H.R. |
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Title |
Haemaphysalis (Kaiseriana) davisi sp. n. (Ixodoidea: Ixodidae), a parasite of domestic and wild mammals in Northeastern India, Sikkim, and Burma |
Type |
Journal Article |
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Year |
1970 |
Publication |
The Journal of Parasitology |
Abbreviated Journal |
J Parasitol |
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Volume |
56 |
Issue |
3 |
Pages |
588-595 |
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Keywords |
Animals; Cattle; Cattle Diseases/etiology; Deer; Ecology; Goats; Horse Diseases/etiology; Horses; India; Mammals; Myanmar; Sheep; Sheep Diseases/etiology; Tick Infestations; Ticks/*classification/isolation & purification |
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English |
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ISSN |
0022-3395 |
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Notes |
PMID:4246255 |
Approved |
no |
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Call Number |
Equine Behaviour @ team @ |
Serial |
2736 |
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Author |
Minero, M.; Canali, E.; Ferrante, V.; Verga, M.; Odberg, F.O. |
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Title |
Heart rate and behavioural responses of crib-biting horses to two acute stressors |
Type |
Journal Article |
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Year |
1999 |
Publication |
The Veterinary Record |
Abbreviated Journal |
Vet. Rec. |
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Volume |
145 |
Issue |
15 |
Pages |
430-433 |
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Keywords |
Acute Disease; Animals; Behavior, Animal/*physiology; Female; Heart Rate/*physiology; Horse Diseases/*physiopathology; Horses/*physiology/psychology; Male; Stereotyped Behavior/*physiology; Stress/physiopathology/psychology/*veterinary |
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Abstract |
The heart rate and behaviour of 14 adult saddle horses, eight crib-biters and six normal controls, were investigated. Initially, the relationship between crib-biting and heart rate was investigated while the horses were undisturbed. The horses were tested when restrained with a lip twitch, and assessed when they were exposed suddenly to the rapid inflation of a balloon. The heart rate of the crib-biters during crib-biting was lower than during other behaviours. The crib-biters had a higher overall mean heart rate (P<0.05) suggesting that they may have had a higher basal sympathetic activity. After the application of the twitch, all the horses had a transient increase in heart rate which returned to basal values more rapidly in the crib-biters. The crib-biters were less reactive to the lip twitch, five of the six investigated remaining calm, and after the release of the twitch, they spent more time nibbling (P<0.05) than the control horses. The crib-biters reacted more strongly to the inflation of the balloon (three of the six reacted), and after it had been inflated they spent more time walking in the box. |
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Instituto di Zootecnica Veterinaria, Universita degli Studi di Milano, Italy |
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English |
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ISSN |
0042-4900 |
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Notes |
PMID:10755589 |
Approved |
no |
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Call Number |
refbase @ user @ |
Serial |
1921 |
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Author |
Papakostas, Y.G.; Daras, M.D.; Liappas, I.A.; Markianos, M. |
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Title |
Horse madness (hippomania) and hippophobia |
Type |
Journal Article |
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Year |
2005 |
Publication |
History of Psychiatry |
Abbreviated Journal |
Hist Psychiatry |
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Volume |
16 |
Issue |
Pt 4 (no 64) |
Pages |
467-471 |
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Keywords |
Ancient Lands; Animals; Cattle; History, Ancient; Horse Diseases/*history; Horses; Humans; *Mythology |
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Abstract |
Anthropophagic horses have been described in classical mythology. From a current perspective, two such instances are worth mentioning and describing: Glaucus of Potniae, King of Efyra, and Diomedes, King of Thrace, who were both devoured by their horses. In both cases, the horses' extreme aggression and their subsequent anthropophagic behaviour were attributed to their madness (hippomania) induced by the custom of feeding them with flesh. The current problem of 'mad cow' disease (bovine spongiform encephalopathy) is apparently related to a similar feed pattern. Aggressive behaviour in horses can be triggered by both biological and psychological factors. In the cases cited here, it is rather unlikely that the former were the cause. On the other hand, the multiple abuses imposed on the horses, coupled with people's fantasies and largely unconscious fears (hippophobia), may possibly explain these mythological descriptions of 'horse-monsters'. |
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Athens University Medical School |
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English |
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ISSN |
0957-154X |
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Notes |
PMID:16482685 |
Approved |
no |
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Call Number |
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Serial |
1876 |
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Author |
McGreevy, P.; Yeates, J. |
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Title |
Horses (Equus caballus) |
Type |
Book Chapter |
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Year |
2018 |
Publication |
Companion Animal Care and Welfare |
Abbreviated Journal |
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Volume |
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Pages |
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Keywords |
animal company; behavioural signs; diseases; domestic horses; euthanasia; human interaction; nutritional requirements |
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Abstract |
Summary Domestic horses are equid members of the class Mammalia, order Perissodactyla, and family Equidae. Horses are obligate herbivores, with nutritional requirements as listed in a table. Adequate space is necessary for exercise, exploration, flight, sharing resources, play, and rolling. Company is essential for all horses, including stallions. Company provides opportunities for mutual grooming and play and allows horses to stand head-to-tail to remove flies. Unhandled horses may respond to humans as they would to predators, whereas handled horses' responses depend on their previous interactions with humans. Horses can suffer from several diseases as listed in another table. The best method of euthanasia of horses is usually sedation followed by either cranial shooting or the injection of an overdose of pentobarbitone into the jugular vein. Behavioural signs of distress can include increased locomotory activity, vigilance behaviours, neighing, snorting, pawing, nibbling walls and buckets, defaecation, rearing, kicking stable walls or doors, and high-stepping 'prancing'. |
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Wiley Online Books |
Abbreviated Series Title |
Companion Animal Care and Welfare |
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ISBN |
9781119333708 |
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Notes |
doi:10.1002/9781119333708.ch13 |
Approved |
no |
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Call Number |
Equine Behaviour @ team @ |
Serial |
6506 |
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Author |
Licka, T.; Kapaun, M.; Peham, C. |
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Title |
Influence of rider on lameness in trotting horses |
Type |
Journal Article |
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Year |
2004 |
Publication |
Equine Veterinary Journal |
Abbreviated Journal |
Equine Vet J |
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Volume |
36 |
Issue |
8 |
Pages |
734-736 |
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Keywords |
Animals; Biomechanics; Body Weight; Exercise Test/veterinary; Female; Forelimb/physiopathology; Gait/*physiology; Head Movements/*physiology; Hindlimb/physiopathology; Horse Diseases/diagnosis/*physiopathology; Horses; Humans; Lameness, Animal/diagnosis/*physiopathology; Male; Stress, Mechanical; Weight-Bearing/physiology |
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Abstract |
REASONS FOR PERFORMING STUDY: Equine lameness is commonly evaluated when the horse is being ridden, but the influence of the rider on the lameness has not been documented. OBJECTIVE: To document the effect of 2 riders of different training levels on the vertical movement of the head and croup. METHODS: Twenty mature horses were ridden at trot by an experienced dressage rider and a novice rider, as well as trotted in hand. Kinematic measurements of markers placed on the horse's head and sacral bone were carried out. The asymmetries of the vertical head and sacral bone motion were calculated as lameness parameters and compared with paired t tests. RESULTS: Trotting in hand, 17 horses showed forelimb lameness (1-4/10) and 13 hindlimb lameness (1-2/10). Intra-individually, 11 horses showed significant differences in forelimb lameness and 4 horses showed significant differences in hindlimb lameness when ridden. Over all horses, hindlimb lameness increased significantly under the dressage rider compared to unridden horses. CONCLUSIONS: The presence of a rider can alter the degree of lameness; however, its influence cannot be predicted for an individual horse. POTENTIAL RELEVANCE: In order to evaluate mild lameness, horses should be evaluated at trot both under saddle and in hand. If lameness is exacerbated, a second rider may be helpful; the level of training of the rider should be taken into consideration. |
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Movement Science Group, Department V, Clinic of Orthopaedics in Ungulates, University of Veterinary Medicine, Vienna, Austria |
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English |
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Abbreviated Series Title |
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Series Issue |
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Edition |
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ISSN |
0425-1644 |
ISBN |
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Notes |
PMID:15656506 |
Approved |
no |
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Call Number |
Equine Behaviour @ team @ |
Serial |
3715 |
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Author |
Dowdle, W.R.; Schild, G.C. |
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Title |
Influenza: its antigenic variation and ecology |
Type |
Journal Article |
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Year |
1976 |
Publication |
Bulletin of the Pan American Health Organization |
Abbreviated Journal |
Bull Pan Am Health Organ |
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Volume |
10 |
Issue |
3 |
Pages |
193-195 |
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Keywords |
Animals; *Antigens, Viral; Bird Diseases/microbiology; Birds; Hemagglutinins, Viral; Horse Diseases/microbiology; Horses; Humans; Influenza A virus/immunology/isolation & purification; Influenza, Human/epidemiology; Mutation; Neuraminidase/immunology; Orthomyxoviridae/enzymology/*immunology; Orthomyxoviridae Infections/microbiology/veterinary; Recombination, Genetic; Swine; Swine Diseases/microbiology |
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Abstract |
Influenza viruses have two surface antigens, the glycoprotein structures hemagglutinin (HA) and neuraminidase (NA). Antibodies to each of these are associated with immunity, but the structures themselves are antigenically variable. When an antigenic change is gradual over time it is referred to as a drift, while a sudden complete or major change in either or both antigens is termed a shift. The mechanism of antigenic drift is usually attributed to selection of preexisting mutants by pressure from increasing immunity in the human population. The mechanism of antigenic shift is less clear, but one tentative hypothesis is that shifts arise from mammalian or avian reservoirs, or through genetic recombination of human and animal influenza strains. |
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English |
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Abbreviated Series Title |
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Series Volume |
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Edition |
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ISSN |
0085-4638 |
ISBN |
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Notes |
PMID:187273 |
Approved |
no |
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Call Number |
Equine Behaviour @ team @ |
Serial |
2700 |
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Author |
Wilkins, L.J.; Brown, S.N.; Zimmerman, P.H.; Leeb, C.; Nicol, C.J. |
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Title |
Investigation of palpation as a method for determining the prevalence of keel and furculum damage in laying hens |
Type |
Journal Article |
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Year |
2004 |
Publication |
The Veterinary record |
Abbreviated Journal |
Vet. Rec. |
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Volume |
155 |
Issue |
18 |
Pages |
547-549 |
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Keywords |
Animal Husbandry/methods; Animal Welfare; Animals; Bone and Bones/*injuries; Chickens/*injuries; Female; Fractures, Bone/diagnosis/epidemiology/*veterinary; Great Britain/epidemiology; Housing, Animal/standards; Oviposition; Palpation/methods/*veterinary; Poultry Diseases/*diagnosis/epidemiology; Prevalence; Sensitivity and Specificity |
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Abstract |
Old breaks of the keel and furculum were identified by palpation in 500 end-of-lay hens from 10 flocks housed in free-range and barn systems, and the results were compared with the results obtained by a full dissection and inspection. The method was considered to be sufficiently precise to be used as a diagnostic tool although people using it would need to be trained. The results obtained by dissection indicated that 50 to 78 per cent of the birds in the flocks had breaks of the furculum and keel, but no other breaks of bones were detected. |
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Address |
Department of Clinical Veterinary Science, University of Bristol, Bristol BS40 5DU |
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English |
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Abbreviated Series Title |
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Series Volume |
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Edition |
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ISSN |
0042-4900 |
ISBN |
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Notes |
PMID:15559420 |
Approved |
no |
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Call Number |
refbase @ user @ |
Serial |
70 |
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