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Author |
Ogbourne, C.P. |
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Title |
Variations in the fecundity of strongylid worms of the horse |
Type |
Journal Article |
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Year |
1971 |
Publication |
Parasitology |
Abbreviated Journal |
Parasitology |
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Volume |
63 |
Issue |
2 |
Pages  |
289-298 |
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Keywords |
Animals; Animals, Newborn; Ecology; Feces; Female; Horses; Larva/growth & development; Male; Ovum; Parasite Egg Count; Reproduction; Seasons; Strongyle Infections, Equine/*etiology; Strongyloides/*growth & development; Time Factors |
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0031-1820 |
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PMID:5129804 |
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no |
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Call Number |
Equine Behaviour @ team @ |
Serial |
2727 |
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Author |
Kaseda, Y.; Ogawa, H.; Khalil, A.M. |
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Title |
Causes of natal dispersal and emigration and their effects on harem formation in Misaki feral horses |
Type |
Journal Article |
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Year |
1997 |
Publication |
Equine Veterinary Journal |
Abbreviated Journal |
Equine Vet J |
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Volume |
29 |
Issue |
4 |
Pages |
262-266 |
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Keywords |
Age Factors; Animal Migration; Animals; Animals, Wild; *Behavior, Animal/physiology; Female; Horses/*physiology/psychology; Male; Reproduction; Seasons; Sexual Behavior, Animal; *Social Behavior |
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Abstract |
Misaki feral horses were separated into 2 herds and the difference between dispersal from natal group (natal dispersal) and dispersal from natal area (natal emigration) was studied. The causes of dispersal and emigration and their effects on harem formation were studied 1979-1994. The number of horses ranged from 73 (mature males: 8, mature females: 26, young males: 8, young females: 3, colt foals: 6, filly foals: 10 and geldings: 12) in 1979 and 86 (mature males: 14, mature females: 37, young males: 12, young females: 7, colt foals: 5, filly foals: 7 and geldings: 4) in 1994 when the present study ended. All 29 males which survived to age 4 years and 58 females which survived to age 3 years left their natal or mother groups at age one to 3. Seventeen of 22 dispersing males and 29 of 39 dispersing females left their natal groups around the birth of their siblings and significant correlations were found between natal dispersal and birth of a sibling. The number of emigrating young males correlated negatively and significantly with the total number of young males in another herd and the number of emigrating young females correlated positively and significantly with the total number of young females in the natal herd. All 13 emigrating stallions which survived to age 5 years formed stable harem groups and a significant correlation was found between natal emigration and harem formation. Twenty-three of 35 resident mares formed stable consort relations with harem stallions and a significant correlation was found between residence and formation of stable consort relations. |
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Faculty of Agriculture, Miyazaki University, Miyazaki-shi, 889-21, Japan |
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0425-1644 |
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Notes |
PMID:15338905 |
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no |
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Call Number |
Equine Behaviour @ team @ |
Serial |
4630 |
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Author |
Hutchinson, G.W.; Abba, S.A.; Mfitilodze, M.W. |
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Title |
Seasonal translation of equine strongyle infective larvae to herbage in tropical Australia |
Type |
Journal Article |
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Year |
1989 |
Publication |
Veterinary Parasitology |
Abbreviated Journal |
Vet Parasitol |
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Volume |
33 |
Issue |
3-4 |
Pages |
251-263 |
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Keywords |
Animals; Feces/*parasitology; Horses; Queensland; Seasons; Strongyle Infections, Equine/*parasitology; Strongyloidea/growth & development/*physiology; Strongylus/growth & development/*physiology; Tropical Climate |
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Abstract |
Longevity in faeces, migration to and survival on herbage of mixed strongyle infective larvae (approximately 70% cyathostomes: 30% large strongyles) from experimentally deposited horse faeces was studied in the dry tropical region of North Queensland for up to 2 years. Larvae were recovered from faeces deposited during hot dry weather for a maximum of 12 weeks, up to 32 weeks in cool conditions, but less than 8 weeks in hot wet summer. Translation to herbage was mainly limited to the hot wet season (December-March), except when unseasonal winter rainfall of 40-50 mm per month in July and August allowed some additional migration. Survival on pasture was estimated at 2-4 weeks in the summer wet season and 8-12 weeks in the autumn-winter dry season (April-August). Hot dry spring weather (pre-wet season) was the most unfavourable for larval development, migration and survival. Peak counts of up to 60,000 larvae kg-1 dry herbage were recorded. The seasonal nature of pasture contamination allowed the development of rational anthelmintic control programs based on larval ecology. |
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Graduate School of Tropical Veterinary Science, James Cook University of North Queensland, Townsville, Australia |
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ISSN |
0304-4017 |
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Notes |
PMID:2815535 |
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no |
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Call Number |
Equine Behaviour @ team @ |
Serial |
2672 |
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Author |
Kralj-Fiser, S.; Scheiber, I.B.R.; Blejec, A.; Moestl, E.; Kotrschal, K. |
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Title |
Individualities in a flock of free-roaming greylag geese: behavioral and physiological consistency over time and across situations |
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Journal Article |
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Year |
2007 |
Publication |
Hormones and Behavior |
Abbreviated Journal |
Horm Behav |
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Volume |
51 |
Issue |
2 |
Pages |
239-248 |
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Keywords |
Animals; Behavior, Animal/*physiology; Corticosterone/metabolism; Feces; Female; Geese/*physiology; Individuality; Male; Personality/*physiology; Population Density; Reproducibility of Results; Seasons; *Social Behavior; Social Environment; Testosterone/*metabolism |
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Abstract |
The concept of personality implies individual differences in behavior and physiology that show some degree of repeatability/consistency over time and across contexts. Most studies of animal personality, particularly studies of individuals' variation in physiological mechanisms, have been conducted on selected individuals in controlled conditions. We attempted to detect consistent behaviors as well as physiological patterns in greylag ganders (Anser anser) from a free-roaming flock living in semi-natural conditions. We tested 10 individuals repeatedly, in a handling trial, resembling tests for characterization of “temperaments” in captive animals. We recorded the behavior of the same 10 individuals during four situations in the socially intact flock: (1) a “low density feeding condition”, (2) a “high density feeding condition”, (3) a “low density post-feeding situation” and (4) while the geese rested. We collected fecal samples for determination of excreted immuno-reactive corticosterone (BM) and testosterone metabolites (TM) after handling trials, as well as the “low density feeding” and the “high density feeding” conditions. BM levels were very highly consistent over the repeats of handling trials, and the “low density feeding condition” and tended to be consistent over the first two repeats of the “high density feeding condition”. Also, BM responses tended to be consistent across contexts. Despite seasonal variation, there tended to be inter-test consistency of TM, which pointed to some individual differences in TM as well. Aggressiveness turned out to be a highly repeatable trait, which was consistent across social situations, and tended to correlate with an individual's resistance during handling trials. Also, “proximity to the female partner” and “sociability” – the average number of neighboring geese in a close distance while resting – were consistent. We conclude that aggressiveness, “affiliative tendencies” and levels of excreted corticosterone and testosterone metabolites may be crucial factors of personality in geese. |
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Address |
University of Ljubljana, Biotechnical faculty, Slovenia. simona.kralj@guest.arnes.si |
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ISSN |
0018-506X |
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Notes |
PMID:17196200 |
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no |
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Call Number |
Equine Behaviour @ team @ |
Serial |
4189 |
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Author |
Kirkpatrick, J.F.; Wiesner, L.; Kenney, R.M.; Ganjam, V.K.; Turner, J.W. |
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Title |
Seasonal variation in plasma androgens and testosterone in the North American wild horse |
Type |
Journal Article |
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Year |
1977 |
Publication |
The Journal of endocrinology |
Abbreviated Journal |
J Endocrinol |
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Volume |
72 |
Issue |
2 |
Pages |
237-238 |
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Keywords |
Androgens/*blood; Animals; Horses/*blood; Male; *Seasons; Testosterone/*blood |
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English |
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ISSN |
0022-0795 |
ISBN |
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Notes |
PMID:845536 |
Approved |
no |
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Call Number |
refbase @ user @ |
Serial |
148 |
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Author |
Keay, J.M.; Singh, J.; Gaunt, M.C.; Kaur, T. |
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Title |
Fecal glucocorticoids and their metabolites as indicators of stress in various mammalian species: a literature review |
Type |
Journal Article |
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Year |
2006 |
Publication |
Journal of zoo and wildlife medicine : official publication of the American Association of Zoo Veterinarians |
Abbreviated Journal |
J Zoo Wildl Med |
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Volume |
37 |
Issue |
3 |
Pages |
234-244 |
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Keywords |
Animals; *Animals, Wild/metabolism; Chromatography, High Pressure Liquid/methods/veterinary; Circadian Rhythm; Conservation of Natural Resources; *Ecosystem; Feces/*chemistry; Glucocorticoids/*analysis/metabolism; Humans; Seasons; Species Specificity; Specimen Handling/methods/veterinary; Stress, Psychological/*metabolism |
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Abstract |
Conservation medicine is a discipline in which researchers and conservationists study and respond to the dynamic interplay between animals, humans, and the environment. From a wildlife perspective, animal species are encountering stressors from numerous sources. With the rapidly increasing human population, a corresponding increased demand for food, fuel, and shelter; habitat destruction; and increased competition for natural resources, the health and well-being of wild animal populations is increasingly at risk of disease and endangerment. Scientific data are needed to measure the impact that human encroachment is having on wildlife. Nonbiased biometric data provide a means to measure the amount of stress being imposed on animals from humans, the environment, and other animals. The stress response in animals functions via glucocorticoid metabolism and is regulated by the hypothalamic-pituitary-adrenal axis. Fecal glucocorticoids, in particular, may be an extremely useful biometric test, since sample collection is noninvasive to subjects and, therefore, does not introduce other variables that may alter assay results. For this reason, many researchers and conservationists have begun to use fecal glucocorticoids as a means to measure stress in various animal species. This review article summarizes the literature on many studies in which fecal glucocorticoids and their metabolites have been used to assess stress levels in various mammalian species. Variations between studies are the main focus of this review. Collection methods, storage conditions, shipping procedures, and laboratory techniques utilized by different researchers are discussed. |
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Department of Biomedical Sciences and Pathobiology, Virginia-Maryland Regional College of Veterinary Medicine, Virginia Tech, 0442 Duck Pond Drive, Blacksburg, Virginia 24061, USA |
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English |
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ISSN |
1042-7260 |
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Notes |
PMID:17319120 |
Approved |
no |
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Call Number |
refbase @ user @ |
Serial |
616 |
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Author |
Ward, M.P.; Ramsay, B.H.; Gallo, K. |
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Title |
Rural cases of equine West Nile virus encephalomyelitis and the normalized difference vegetation index |
Type |
Journal Article |
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Year |
2005 |
Publication |
Vector Borne and Zoonotic Diseases (Larchmont, N.Y.) |
Abbreviated Journal |
Vector Borne Zoonotic Dis |
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Volume |
5 |
Issue |
2 |
Pages |
181-188 |
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Keywords |
Animals; Biomass; Cluster Analysis; Disease Outbreaks/veterinary; Ecology; *Geographic Information Systems; Horse Diseases/*epidemiology; Horses; Indiana/epidemiology; Plants; Population Surveillance; Rural Health; Seasons; Topography, Medical/*methods; West Nile Fever/epidemiology/*veterinary |
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Abstract |
Data from an outbreak (August to October, 2002) of West Nile virus (WNV) encephalomyelitis in a population of horses located in northern Indiana was scanned for clusters in time and space. One significant (p = 0.04) cluster of case premises was detected, occurring between September 4 and 10 in the south-west part of the study area (85.70 degrees N, 45.50 degrees W). It included 10 case premises (3.67 case premises expected) within a radius of 2264 m. Image data were acquired by the Advanced Very High Resolution Radiometer (AVHRR) sensor onboard a National Oceanic and Atmospheric Administration polar-orbiting satellite. The Normalized Difference Vegetation Index (NDVI) was calculated from visible and near-infrared data of daily observations, which were composited to produce a weekly-1km(2) resolution raster image product. During the epidemic, a significant (p < 0.01) decrease (0.025 per week) in estimated NDVI was observed at all case and control premise sites. The median estimated NDVI (0.659) for case premises within the cluster identified was significantly (p < 0.01) greater than the median estimated NDVI for other case (0.571) and control (0.596) premises during the same period. The difference in median estimated NDVI for case premises within this cluster, compared to cases not included in this cluster, was greatest (5.3% and 5.1%, respectively) at 1 and 5 weeks preceding occurrence of the cluster. The NDVI may be useful for identifying foci of WNV transmission. |
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Address |
Department of Veterinary Pathobiology, Purdue University School of Veterinary Medicine, West Lafayette, Indiana, USA. mward@cvm.tamu.edu |
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English |
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Edition |
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ISSN |
1530-3667 |
ISBN |
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Notes |
PMID:16011435 |
Approved |
no |
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Call Number |
Equine Behaviour @ team @ |
Serial |
2627 |
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Author |
Stout, I.J.; Clifford, C.M.; Keirans, J.E.; Portman, R.W. |
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Title |
Dermacentor variabilis (Say) (Acarina: Ixodidae) established in southeastern Washington and northern Idaho |
Type |
Journal Article |
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Year |
1971 |
Publication |
Journal of Medical Entomology |
Abbreviated Journal |
J Med Entomol |
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Volume |
8 |
Issue |
2 |
Pages |
143-147 |
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Keywords |
Animals; Arthropod Vectors; Disease Reservoirs/*epidemiology; Dogs; Ecology; Female; Horses; Humans; Idaho; Larva; Male; Seasons; Sheep; Tick Infestations/*epidemiology/veterinary; Ticks/*classification; Washington; Zoonoses |
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English |
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ISSN |
0022-2585 |
ISBN |
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Notes |
PMID:5157834 |
Approved |
no |
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Call Number |
Equine Behaviour @ team @ |
Serial |
2729 |
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Author |
Zeeb, K. |
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Title |
[Possibilities for the all-year free-range raising of horses] |
Type |
Journal Article |
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Year |
1994 |
Publication |
DTW. Deutsche Tierarztliche Wochenschrift |
Abbreviated Journal |
Dtsch Tierarztl Wochenschr |
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Volume |
101 |
Issue |
3 |
Pages |
122-123 |
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Keywords |
Animal Feed; *Animal Husbandry; Animal Welfare; Animals; Germany; Horses/*physiology; Housing, Animal; Seasons; Weather |
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Abstract |
The ethological concept concerning supply of needs an avoidance of damage is mentioned as a possibility for the evaluation of welfare aspects related to animal management. The 250 Dulmen horses kept on 300 ha by the Duke of Croy show what must be provided for horse-keeping in a semi-natural environment: Sufficient food and water, efficient shelter as well as adequate structures for the needs of horses concerning social and comfort behaviour. A catalogue of factors, functions and facilities for this kind of horse-keeping is presented. |
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Address |
Tierhygienischen Institut, Freiburg, Breisgau |
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German |
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Original Title |
Moglichkeiten der ganzjahrigen Freilandhaltung von Pferden |
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ISSN |
0341-6593 |
ISBN |
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Notes |
PMID:8205954 |
Approved |
no |
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Call Number |
refbase @ user @ |
Serial |
1941 |
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Author |
Zeitler-Feicht, M.H. |
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Title |
[Critical consideration of the “Guideline for the Evaluation of Raising Horses” and keeping horses outside in the winter] |
Type |
Journal Article |
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Year |
2004 |
Publication |
DTW. Deutsche Tierarztliche Wochenschrift |
Abbreviated Journal |
Dtsch Tierarztl Wochenschr |
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Volume |
111 |
Issue |
3 |
Pages |
120-123 |
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Keywords |
Animal Feed/standards; Animal Husbandry/legislation & jurisprudence/methods/*standards; *Animal Welfare/legislation & jurisprudence; Animals; Cold; Female; Germany; Guidelines/*standards; Horses/*physiology; Housing, Animal/legislation & jurisprudence/*standards; Legislation, Veterinary; Male; Seasons |
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Abstract |
The guidelines of the Federal Ministry of User Protection, Nutrition and Agriculture (BMVEL) regarding “horse keeping with respect to animal welfare” are from 1995 (BMELF, 1995). Therefore, they are not suitable for modern horse keeping. The Veterinary Association for Animal Welfare (TVT) held it to be necessary to rework the guide-lines in light of 1) many subsequent investigations concerning horse keeping, and 2) the species-specific needs of horses in practice. Each chapter of the BMELF (1995) guide-lines was revised such that the literature and practical experiences were updated. Several chapters (recumbency resting behaviour, fences, underground outdoor and in stables, litter) were added in the position paper of the TVT to reflect the increasing use of boxes with paddocks, loose housing systems with open yards, pasture and winter yards as housing conditions. Keeping horses outdoors permanently during winter is possible because horses have very good thermoregulatory capabilities so that they are able to adapt themselves to cold conditions. However, in light of animal welfare, the holding system must include adequate shelter (natural or artificial). Shelters should protect against wetness, heat, cold and wind, and must be sufficiently large and high, with a dry and clean underground. In keeping horses outdoors permanently, the paths to the feeding and watering areas and to the shelter must be dry. The food must also be protected against mould and soiling. Keeping horses permanently without adequate shelter or in deep marsh without any dry places is against the Animal Protection Act. |
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Address |
Lehrgebiet fur Tierhaltung und Verhaltenskunde, Wissenschaftszentrum Weihenstephan fur Ernahrung, Landnutzung und Umwelt, Technische Universitat Munchen. Zeitler-Feicht@tz.agrar.tu-muenchen.de |
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German |
Summary Language |
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Original Title |
Kritische Betrachtung der “Leitlinien zur Beurteilung von Pferdehaltungen” und Winteraussenhaltung von Pferden |
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Series Issue |
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Edition |
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ISSN |
0341-6593 |
ISBN |
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Notes |
PMID:15195962 |
Approved |
no |
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Call Number |
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Serial |
1900 |
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