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	Author	Hardy, J.L.
	Title	The ecology of western equine encephalomyelitis virus in the Central Valley of California, 1945-1985			Type	Journal Article
	Year	1987	Publication	The American Journal of Tropical Medicine and Hygiene	Abbreviated Journal	Am J Trop Med Hyg
	Volume	37	Issue	3 Suppl	Pages	18s-32s
	Keywords	Aedes/microbiology; Animals; Birds; California; Culex/microbiology; Encephalitis Virus, Western Equine/physiology; Encephalomyelitis, Equine/history/microbiology/transmission/veterinary; History, 20th Century; Horse Diseases/history/transmission; Horses; Humans; Insect Vectors/microbiology; Mammals
	Abstract	Reeves' concept of the summer transmission cycle of western equine encephalomyelitis virus in 1945 was that the virus was amplified in a silent transmission cycle involving mosquitoes, domestic chickens, and possibly wild birds, from which it could be transmitted tangentially to and cause disease in human and equine populations. Extensive field and laboratory studies done since 1945 in the Central Valley of California have more clearly defined the specific invertebrate and vertebrate hosts involved in the basic virus transmission cycle, but the overall concept remains unchanged. The basic transmission cycle involves Culex tarsalis as the primary vector mosquito species and house finches and house sparrows as the primary amplifying hosts. Secondary amplifying hosts, upon which Cx. tarsalis frequently feeds, include other passerine species, chickens, and possibly pheasants in areas where they are abundant. Another transmission cycle that most likely is initiated from the Cx. tarsalis-wild bird cycle involves Aedes melanimon and the blacktail jackrabbit. Like humans and horses, California ground squirrels, western tree squirrels, and a few other wild mammal species become infected tangentially with the virus but do not contribute significantly to virus amplification.
	Address	Department of Biomedical and Environmental Health Sciences, School of Public Health, University of California, Berkeley 94720
	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	0002-9637	ISBN		Medium
	Area		Expedition		Conference
	Notes	PMID:3318522			Approved	no
	Call Number	Equine Behaviour @ team @			Serial	2677
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	Author	Takai, S.; Fujimori, T.; Katsuzaki, K.; Tsubaki, S.
	Title	Ecology of Rhodococcus equi in horses and their environment on horse-breeding farms			Type	Journal Article
	Year	1987	Publication	Veterinary Microbiology	Abbreviated Journal	Vet Microbiol
	Volume	14	Issue	3	Pages	233-239
	Keywords	Actinomycetales Infections/veterinary; Animals; Animals, Newborn/microbiology; Environmental Microbiology; Feces/microbiology; Female; Horse Diseases/microbiology; Horses/microbiology; Rhodococcus/isolation & purification
	Abstract	Quantitative culture of R. equi in the feces of dams and foals, in the air of the stalls and in the soil of the paddocks was carried out on three horse-breeding farms during the foaling season. The isolation rates of R. equi from the feces of dams from the 3 farms suddenly increased to approximately 80% at the end of March, when the snow in the paddocks finished melting, and remained at that level during April and May. The mean number of R. equi and the isolation rate of R. equi from the feces of dams on the farms were investigated for 5 weeks before and 5 weeks after delivery. During the 10 weeks, there were no differences in the isolation rate or in the mean number of R. equi from the feces of dams. R. equi was first isolated from the feces of the foals born in February and the middle of March at 3-4 weeks of age, on the other hand, it was first isolated from the feces of foals born in the end of March and April at 1-2 weeks of age. The number of R. equi in the soil collected from the paddocks used by dams during the winter was approximately 10(2)-10(4) g-1 of soil during the experiment. R. equi was isolated from the air in the stalls at the end of March and the number of R. equi in the air increased particularly on dry and windy days.(ABSTRACT TRUNCATED AT 250 WORDS)
	Address	Department of Animal Hygiene, School of Veterinary Medicine and Animal Science, Kitasato University, Aomori, Japan
	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	0378-1135	ISBN		Medium
	Area		Expedition		Conference
	Notes	PMID:3672865			Approved	no
	Call Number	Equine Behaviour @ team @			Serial	2679
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	Author	Berger J,
	Title	Reproductive fates of dispersers in a harem-dwelling ungulate: the wild horse			Type	Journal Article
	Year	1987	Publication	Mammalian Dispersal Patterns: The Effects of Social Structure on Population Genetics	Abbreviated Journal	Mammalian dispersal Patterns
	Volume		Issue		Pages	41-54
	Keywords
	Abstract
	Address
	Corporate Author				Thesis
	Publisher		Place of Publication		Editor	Chepko-Sade, B.D. ; Halpin, Z.T.
	Language		Summary Language		Original Title	Mammalian Dispersal Patterns: The Effects of Social Structure on Population Genetics
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN		ISBN		Medium
	Area		Expedition		Conference
	Notes	from Professor Hans Klingels Equine Reference List			Approved	no
	Call Number				Serial	940
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	Author	Ginsberg, J.R.
	Title	Social behavior and mating strategies of an arid adapted equid: the Grevy's zebra.			Type	Manuscript
	Year	1987	Publication		Abbreviated Journal
	Volume		Issue		Pages
	Keywords
	Abstract
	Address
	Corporate Author				Thesis
	Publisher		Place of Publication	Prnceton	Editor
	Language		Summary Language		Original Title
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN		ISBN		Medium
	Area		Expedition		Conference
	Notes				Approved	no
	Call Number	Equine Behaviour @ team @			Serial	2295
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	Author	GODFREY D et al,
	Title	Zebra stripes and tiger stripes: the special frequency distribution of the pattern compared to that of the background is significant in disply and crysis			Type	Journal Article
	Year	1987	Publication		Abbreviated Journal	Biol J Linnean Soc
	Volume	32	Issue		Pages	427-433
	Keywords
	Abstract
	Address
	Corporate Author				Thesis
	Publisher		Place of Publication		Editor
	Language		Summary Language		Original Title
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN		ISBN		Medium
	Area		Expedition		Conference
	Notes	from Professor Hans Klingels Equine Reference List			Approved	no
	Call Number				Serial	1116
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	Author	Harley Eh,
	Title	The retrieval of the quagga			Type	Journal Article
	Year	1987	Publication		Abbreviated Journal
	Volume		Issue		Pages
	Keywords
	Abstract
	Address
	Corporate Author				Thesis
	Publisher		Place of Publication		Editor
	Language		Summary Language		Original Title
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN		ISBN		Medium
	Area		Expedition		Conference
	Notes	from Professor Hans Klingels Equine Reference List			Approved	no
	Call Number				Serial	1160
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	Author	Sherwin, C.M.; Johnson, K.G.
	Title	The influence of social factors on the use of shade by sheep			Type	Journal Article
	Year	1987	Publication	Applied Animal Behaviour Science	Abbreviated Journal	Appl. Anim. Behav. Sci.
	Volume	18	Issue	2	Pages	143-155
	Keywords
	Abstract	Individual differences in shading behaviour within a flock of sheep could be due to differences in thermoregulatory capabilities or to the influence of social factors. The possible influence of social factors on shade-use is examined in this paper. Two measures of dominance were made on 39 Merino wethers. These were based on the hierarchy determined by butting during feeding and on priority of access to limited feed. Leadership was also assessed while driving the sheep to a woolshed and as the sheep entered weighing scales. These behavioural traits were compared with leadership to shade and shade-use observed on 9 days during summer in a small pastureless enclosure containing natural shade. Maximum ambient temperature on these 9 days varied between 29.0 and 39.5[degree sign]C. All behavioural traits examined were significantly repeatable. The two dominance ranks were negatively correlated (P<0.05). The butting hierarchy was correlated with shading behaviour; those sheep that butted the larger proportion of the flock were seen to shade for longer periods of time (P=0.05). This relationship became more significant as environmental temperature increased. Significant (P<0.05) differences in the amount of time each sheep spent shading were evident throughout the flock, but in particular seven individuals shaded much less than others. Shade-use increased in hot weather and was slightly more strongly correlated with radiation load than with air temperature. The non-shading leadership ranks were related neither to each other nor to the leadership to shade. However, the sheep that moved to shade first remained there longest (P<0.05). Reduced motivation to feed did not appear to explain early movement to shade. Few overtly aggressive or other interactions between animals were seen to be associated with movements to or within shade. Nonetheless, the results indicate that social forces do exert some influence on shade-use.
	Address
	Corporate Author				Thesis
	Publisher		Place of Publication		Editor
	Language		Summary Language		Original Title
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN		ISBN		Medium
	Area		Expedition		Conference
	Notes				Approved	no
	Call Number	Equine Behaviour @ team @ room B 3.029			Serial	2037
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	Author	Kacelnik, A.
	Title	Information primacy or preference for familiar foraging techniques? A critique of Inglis & Ferguson			Type	Journal Article
	Year	1987	Publication	Animal Behaviour.	Abbreviated Journal	Anim. Behav.
	Volume	35	Issue	3	Pages	925-926
	Keywords
	Abstract
	Address
	Corporate Author				Thesis
	Publisher		Place of Publication		Editor
	Language		Summary Language		Original Title
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN		ISBN		Medium
	Area		Expedition		Conference
	Notes				Approved	no
	Call Number				Serial	2121
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	Author	Berger, J.; Cunningham, C.
	Title	Influence of Familiarity on Frequency of Inbreeding in Wild Horses			Type	Journal Article
	Year	1987	Publication	Evolution	Abbreviated Journal	Evolution
	Volume	41	Issue		Pages	229-231
	Keywords
	Abstract
	Address
	Corporate Author				Thesis
	Publisher		Place of Publication		Editor
	Language		Summary Language		Original Title
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN		ISBN		Medium
	Area		Expedition		Conference
	Notes				Approved	no
	Call Number	Equine Behaviour @ team @			Serial	2232
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	Author	Crowell-Davis, S.L.; Houpt, K.A.; Kane, L.
	Title	Play development in Welsh pony (Equus caballus) foals			Type	Journal Article
	Year	1987	Publication	Applied Animal Behaviour Science	Abbreviated Journal	Appl. Anim. Behav. Sci.
	Volume	18	Issue	2	Pages	119-131
	Keywords
	Abstract	The structure of the play of colts and fillies living on pasture was studied from birth (n = 15) for up to 24 weeks. Foal play was categorized as running and bucking alone, running and bucking in a group, interactive (contact or combat) play, play with an object, and play at an adult. The rate of play decreased with increasing age and ambient temperature. Fillies and colts played with equal frequency, but engaged in some different types of play at different rates. There was no difference between colts and fillies in the proportion of play bouts of running and bucking in a group or playing with an object. Fillies engaged in running and bucking alone more than colts. Colts engaged in interactive play and play at an adult more than fillies. While there was no significant difference between colts and fillies in the duration of either type of running and bucking play, the interactive play bouts of colts were significantly longer than those of fillies. Both mares and stallions were tolerant of foal play which involved use of their body as a play object, including mounting play. Both fillies and colts engaged in mounting play. Foals used various natural objects found in the pasture for repeated bouts of play with inanimate objects, a behaviour which may explain, from a developmental perspective, the occasional use of “tools” in adult equids. The sex differences in type of play were consistent with the social structure of unmanaged adults in which males must compete with each other in order to associate with females.
	Address
	Corporate Author				Thesis
	Publisher		Place of Publication		Editor
	Language		Summary Language		Original Title
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN		ISBN		Medium
	Area		Expedition		Conference
	Notes				Approved	no
	Call Number	Equine Behaviour @ team @			Serial	2274
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