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	Author	Kirkpatrick, J.F.; Wiesner, L.; Kenney, R.M.; Ganjam, V.K.; Turner, J.W.
	Title	Seasonal variation in plasma androgens and testosterone in the North American wild horse			Type	Journal Article
	Year	1977	Publication	The Journal of endocrinology	Abbreviated Journal	J Endocrinol
	Volume	72	Issue	2	Pages	237-238
	Keywords	Androgens/blood; Animals; Horses/blood; Male; Seasons; Testosterone/blood
	Abstract
	Address
	Corporate Author				Thesis
	Publisher		Place of Publication		Editor
	Language	English	Summary Language		Original Title
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN	0022-0795	ISBN		Medium
	Area		Expedition		Conference
	Notes	PMID:845536			Approved	no
	Call Number	refbase @ user @			Serial	148
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	Author	Iwuala, M.O.; Okpala, I.
	Title	Studies on the ectoparasitic fauna of Nigerian livestock II: Seasonal infestation rates			Type	Journal Article
	Year	1978	Publication	Bulletin of Animal Health and Production in Africa. Bulletin des Sante et Production Animales en Afrique	Abbreviated Journal	Bull Anim Health Prod Afr
	Volume	26	Issue	4	Pages	351-359
	Keywords	Animal Diseases/epidemiology; Animals; Cattle; Dogs; Ecology; Ectoparasitic Infestations/epidemiology/veterinary; Goats; Horses; Nigeria; Seasons; Sheep; Swine
	Abstract
	Address
	Corporate Author				Thesis
	Publisher		Place of Publication		Editor
	Language	English	Summary Language		Original Title
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN	0378-9721	ISBN		Medium
	Area		Expedition		Conference
	Notes	PMID:756759			Approved	no
	Call Number	Equine Behaviour @ team @			Serial	2695
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	Author	Zeitler-Feicht, M.H.
	Title	[Critical consideration of the “Guideline for the Evaluation of Raising Horses” and keeping horses outside in the winter]			Type	Journal Article
	Year	2004	Publication	DTW. Deutsche Tierarztliche Wochenschrift	Abbreviated Journal	Dtsch Tierarztl Wochenschr
	Volume	111	Issue	3	Pages	120-123
	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
	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.
	Address	Lehrgebiet fur Tierhaltung und Verhaltenskunde, Wissenschaftszentrum Weihenstephan fur Ernahrung, Landnutzung und Umwelt, Technische Universitat Munchen. Zeitler-Feicht@tz.agrar.tu-muenchen.de
	Corporate Author				Thesis
	Publisher		Place of Publication		Editor
	Language	German	Summary Language		Original Title	Kritische Betrachtung der “Leitlinien zur Beurteilung von Pferdehaltungen” und Winteraussenhaltung von Pferden
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN	0341-6593	ISBN		Medium
	Area		Expedition		Conference
	Notes	PMID:15195962			Approved	no
	Call Number				Serial	1900
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	Author	Zeeb, K.
	Title	[Possibilities for the all-year free-range raising of horses]			Type	Journal Article
	Year	1994	Publication	DTW. Deutsche Tierarztliche Wochenschrift	Abbreviated Journal	Dtsch Tierarztl Wochenschr
	Volume	101	Issue	3	Pages	122-123
	Keywords	Animal Feed; Animal Husbandry; Animal Welfare; Animals; Germany; Horses/physiology; Housing, Animal; Seasons; Weather
	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.
	Address	Tierhygienischen Institut, Freiburg, Breisgau
	Corporate Author				Thesis
	Publisher		Place of Publication		Editor
	Language	German	Summary Language		Original Title	Moglichkeiten der ganzjahrigen Freilandhaltung von Pferden
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN	0341-6593	ISBN		Medium
	Area		Expedition		Conference
	Notes	PMID:8205954			Approved	no
	Call Number	refbase @ user @			Serial	1941
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	Author	Keay, J.M.; Singh, J.; Gaunt, M.C.; Kaur, T.
	Title	Fecal glucocorticoids and their metabolites as indicators of stress in various mammalian species: a literature review			Type	Journal Article
	Year	2006	Publication	Journal of zoo and wildlife medicine : official publication of the American Association of Zoo Veterinarians	Abbreviated Journal	J Zoo Wildl Med
	Volume	37	Issue	3	Pages	234-244
	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
	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.
	Address	Department of Biomedical Sciences and Pathobiology, Virginia-Maryland Regional College of Veterinary Medicine, Virginia Tech, 0442 Duck Pond Drive, Blacksburg, Virginia 24061, USA
	Corporate Author				Thesis
	Publisher		Place of Publication		Editor
	Language	English	Summary Language		Original Title
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN	1042-7260	ISBN		Medium
	Area		Expedition		Conference
	Notes	PMID:17319120			Approved	no
	Call Number	refbase @ user @			Serial	616
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	Author	Clark, G.G.; Hibler, C.P.
	Title	Horse flies and Elaeophora schneideri in the Gila National Forest, New Mexico			Type	Journal Article
	Year	1973	Publication	Journal of Wildlife Diseases	Abbreviated Journal	J Wildl Dis
	Volume	9	Issue	1	Pages	21-25
	Keywords	Animals; Diptera; Ecology; Filarioidea; Geography; Insect Vectors; Larva; New Mexico; Seasons
	Abstract
	Address
	Corporate Author				Thesis
	Publisher		Place of Publication		Editor
	Language	English	Summary Language		Original Title
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN	0090-3558	ISBN		Medium
	Area		Expedition		Conference
	Notes	PMID:4694585			Approved	no
	Call Number	Equine Behaviour @ team @			Serial	2714
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	Author	Crowell-Davis, S.L.; Houpt, K.A.; Carnevale, J.
	Title	Feeding and drinking behavior of mares and foals with free access to pasture and water			Type	Journal Article
	Year	1985	Publication	Journal of animal science	Abbreviated Journal	J. Anim Sci.
	Volume	60	Issue	4	Pages	883-889
	Keywords	Animals; Drinking Behavior; Feeding Behavior; Female; Horses/*physiology; Male; Poaceae; Seasons; Temperature; Time Factors
	Abstract	The feeding and drinking behavior of 11 mares and 15 foals living on pasture with free access to water was recorded during 2,340 15-min focal samples taken over 2 yr. Lactating mares on pasture spent about 70% of the day feeding. Foals began feeding on their first day of life. As they grew older, they spent progressively more time feeding, but still spent only 47 +/- 6% of the time feeding by 21 wk of age. Foals fed primarily during the early morning and evening. While grass formed the major proportion of the diet of both foals and mares, they also ate clay, humus, feces, bark, leaves and twigs. Almost all feeding by foals was done while their mothers were feeding. Movement to water sources was frequently, but not invariably, carried out by an entire herd. Frequency (P = .005) but not duration (P greater than .05) of drinking bouts by mares increased as the temperature increased. Frequency was greatest at 30 to 35 C, at which temperature mares drank once every 1.8 h. Frequency of drinking varied with the time of day (P less than .01), being rarest during the early morning (0500 to 0900 h eastern daylight time) and most frequent during the afternoon (1300 to 1700 h). Drinking by foals was very rare. The youngest age at which a foal was observed to drink was 3 wk, and 8 of 15 foals were never observed to drink before weaning.
	Address
	Corporate Author				Thesis
	Publisher		Place of Publication		Editor
	Language	English	Summary Language		Original Title
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN	0021-8812	ISBN		Medium
	Area		Expedition		Conference
	Notes	PMID:3988655			Approved	no
	Call Number	refbase @ user @			Serial	54
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	Author	Kirkpatrick, J.F.; Turner, A.
	Title	Absence of effects from immunocontraception on seasonal birth patterns and foal survival among barrier island wild horses			Type	Journal Article
	Year	2003	Publication	Journal of applied animal welfare science : JAAWS	Abbreviated Journal	J Appl Anim Welf Sci
	Volume	6	Issue	4	Pages	301-308
	Keywords	Animals; Animals, Newborn; Animals, Wild/physiology; Birth Rate; Case-Control Studies; Contraception, Immunologic/methods/veterinary; Egg Proteins/administration & dosage; Female; Horses/physiology; Maryland/epidemiology; Membrane Glycoproteins/administration & dosage; Population Control; Pregnancy; Receptors, Cell Surface; *Reproduction; Seasons; Vaccines, Contraceptive/administration & dosage
	Abstract	Despite a large body of safety data, concern exists that porcine zonae pellucidae (PZP) immunocontraception--used to manage wild horse populations--may cause out-of-season births with resulting foal mortality. Our study at Assateague, Maryland indicated the effects of immunocontraception on season of birth and foal survival between 1990 and 2002 on wild horses from Assateague Island. Among 91 mares never treated, 69 (75.8%) of foals were born in April, May, and June (in season). Among 77 treated mares, 50 (64.9%) were born in season. Of 29 mares foaling within 1 year after treatment (contraceptive failures), 20 (68.9%) were born in season. Of 48 mares treated for greater than 2 years then withdrawn from treatment, 30 (62.5%) of 48 foals were born in season. There were no significant differences (p <.05) between either treatment group or untreated mares. Survival did not differ significantly among foals born in or out of season or among foals born to treated or untreated mares. Data indicate a lack of effect of PZP contraception on season of birth or foal survival on barrier island habitats.
	Address	Science and Conservation Center Zoo Montana, Billings, Montana 59106, USA. jkirkpatrick@montana.net
	Corporate Author				Thesis
	Publisher		Place of Publication		Editor
	Language	English	Summary Language		Original Title
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN	1088-8705	ISBN		Medium
	Area		Expedition		Conference
	Notes	PMID:14965784			Approved	no
	Call Number	refbase @ user @			Serial	140
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	Author	Ogbourne, C.P.
	Title	Variations in the fecundity of strongylid worms of the horse			Type	Journal Article
	Year	1971	Publication	Parasitology	Abbreviated Journal	Parasitology
	Volume	63	Issue	2	Pages	289-298
	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
	Abstract
	Address
	Corporate Author				Thesis
	Publisher		Place of Publication		Editor
	Language	English	Summary Language		Original Title
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN	0031-1820	ISBN		Medium
	Area		Expedition		Conference
	Notes	PMID:5129804			Approved	no
	Call Number	Equine Behaviour @ team @			Serial	2727
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	Author	Arnold, W.; Ruf, T.; Kuntz, R.
	Title	Seasonal adjustment of energy budget in a large wild mammal, the Przewalski horse (Equus ferus przewalskii) II. Energy expenditure			Type	Journal Article
	Year	2006	Publication	The Journal of experimental biology	Abbreviated Journal	J Exp Biol
	Volume	209	Issue	Pt 22	Pages	4566-4573
	Keywords	Animals; Animals, Wild/physiology; Body Temperature; Body Temperature Regulation; Eating; Energy Metabolism; Female; Heart Rate; Horses/physiology; Male; Motor Activity; Pregnancy; Reproduction; Seasons
	Abstract	Many large mammals show pronounced seasonal fluctuations of metabolic rate (MR). It has been argued, based on studies in ruminants, that this variation merely results from different levels of locomotor activity (LA), and heat increment of feeding (HI). However, a recent study in red deer (Cervus elaphus) identified a previously unknown mechanism in ungulates--nocturnal hypometabolism--that contributed significantly to reduced energy expenditure, mainly during late winter. The relative contribution of these different mechanisms to seasonal adjustments of MR is still unknown, however. Therefore, in the study presented here we quantified for the first time the independent contribution of thermoregulation, LA and HI to heart rate (f(H)) as a measure of MR in a free-roaming large ungulate, the Przewalski horse or Takhi (Equus ferus przewalskii Poljakow). f(H) varied periodically throughout the year with a twofold increase from a mean of 44 beats min(-1) during December and January to a spring peak of 89 beats min(-1) at the beginning of May. LA increased from 23% per day during December and January to a mean level of 53% per day during May, and declined again thereafter. Daily mean subcutaneous body temperature (T(s)) declined continuously during winter and reached a nadir at the beginning of April (annual range was 5.8 degrees C), well after the annual low of air temperature and LA. Lower T(s) during winter contributed considerably to the reduction in f(H). In addition to thermoregulation, f(H) was affected by reproduction, LA, HI and unexplained seasonal variation, presumably reflecting to some degree changes in organ mass. The observed phase relations of seasonal changes indicate that energy expenditure was not a consequence of energy uptake but is under endogenous control, preparing the organism well in advance of seasonal energetic demands.
	Address	Research Institute of Wildlife Ecology, University of Veterinary Medicine, Vienna, Savoyenstrasse 1, 1160 Vienna, Austria. walter.arnold@vu-wien.ac.at
	Corporate Author				Thesis
	Publisher		Place of Publication		Editor
	Language	English	Summary Language		Original Title
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN	0022-0949	ISBN		Medium
	Area		Expedition		Conference
	Notes	PMID:17079726			Approved	no
	Call Number				Serial	1782
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