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	Author	Crowell-Davis, S.L.
	Title	Self-grooming by mares and foals of the Welsh pony (Equus caballus)			Type	Journal Article
	Year	1987	Publication	Applied Animal Behaviour Science	Abbreviated Journal	Appl. Anim. Behav. Sci.
	Volume	17	Issue	3-4	Pages	197-208
	Keywords
	Abstract	Self-grooming behaviour of 15 mare-foal pairs was studied weekly for the first 24 weeks of the foal's life. Mares self-groomed at mean rates of 1.2-2.2 times h-1 depending on the 4-week period. Foals self-groomed more often, with a peak rate of 12.3 times h-1 occurring during Week 5-8 and a subsequent decline to 6.0 times h-1 by Weeks 21-24. Self-grooming bouts of mares and foals also differed in the proportion devoted to each type of self-grooming. During a greater proportion of their total self-grooming bouts, foals scratched their head and neck with a hind limb or bit and scratched the trunk or hind limbs with the teeth. The mares spent a greater proportion of their self-grooming bouts rubbing their head or neck on an inanimate object, another pony, or their fore limb, or rolling on the ground. Particular types of individual self-grooming bouts were engaged in for different lengths of time. Foals had longer bouts of scratching the head and neck with a hind limb, scratching or biting the fore limb or hind limb with the teeth, and rubbing the head and neck on an inanimate object, while mares had longer bouts of rolling. Some of the differences in preference for particular types of self-grooming may be the result of differences in relative size of various body parts and, consequently, relative ease of a given type of self-grooming.
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	Corporate Author				Thesis
	Publisher		Place of Publication		Editor
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	Notes				Approved	no
	Call Number	Equine Behaviour @ team @			Serial	2275
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	Author	Hildebrand, M.
	Title	The Mechanics of Horse Legs			Type	Journal Article
	Year	1987	Publication	American Scientist	Abbreviated Journal	Amer. Sci.
	Volume	75	Issue	6	Pages	594-601
	Keywords
	Abstract
	Address
	Corporate Author				Thesis
	Publisher		Place of Publication		Editor
	Language		Summary Language		Original Title
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	Series Volume		Series Issue		Edition
	ISSN		ISBN		Medium
	Area		Expedition		Conference
	Notes				Approved	no
	Call Number	Equine Behaviour @ team @			Serial	2301
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	Author	Rapaport, L.; King, N.E.
	Title	The behavioral research program at the Washington Park Zoo			Type	Journal Article
	Year	1987	Publication	Applied Animal Behaviour Science	Abbreviated Journal	Appl. Anim. Behav. Sci.
	Volume	18	Issue	1	Pages	57-66
	Keywords
	Abstract	For the past decade, the Washington Park Zoo, Portland, Oregon, has had an active behavioral research program. The research department is both a zoo-supported research facility for visiting researchers and staff, and an educational facility that teaches practical behavioral research methods to undergraduates. The research education program utilizes students from any of a dozen local colleges and universities. Students receive academic credit for their participation. Active keeper-participation plays a major role in many research projects. Not only does keeper-cooperation facilitate research, but their knowledge of the individual animals often proves invaluable. In addition to involvement in student projects, keepers have also conducted their own research projects.
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	Notes				Approved	no
	Call Number	Equine Behaviour @ team @			Serial	2324
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	Author	Satorov, S.S.; Orzuev, M.I.
	Title	[Frequency of the isolation of staphylococci from domestic animals and strain identification]			Type	Journal Article
	Year	1987	Publication	Zhurnal Mikrobiologii, Epidemiologii, i Immunobiologii	Abbreviated Journal	Zh Mikrobiol Epidemiol Immunobiol
	Volume		Issue	12	Pages	37-39
	Keywords	Animals; Animals, Domestic/microbiology; Bacteriophage Typing; Carrier State/microbiology/veterinary; Cats; Ecology; Goats; Horses; Perissodactyla; Sheep; Staphylococcal Infections/microbiology/veterinary; Staphylococcus/classification/isolation & purification
	Abstract	Staphylococci occur in donkeys more frequently than in other animals, and only from donkeys coagulase-negative staphylococci, characteristic of humans (S. hominis, S. capitis, S. cohnii), were isolated. Least frequently staphylococcal carrier state was registered in cats; in these animals only coagulase-negative strains were found to occur. From 30 donkeys coagulase-positive staphylococci belonging to 47 S. aureus strains were isolated. These strains differed from known ecological variants in their biological properties, thus suggesting the existence of S. aureus ecovar specific for donkeys. These strains did not coagulate human, bovine and ovine plasma, but coagulated rabbit plasma in 100% of cases and donkey plasma only in 53% of cases; at the same time they relatively often produced delta hemolysin, rarely phosphatase and hyaluronidase and never fibrinolysin. These strains were typed by KPC phages, mainly 116 and 117.
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	Corporate Author				Thesis
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	Language	Russian	Summary Language		Original Title	Chastota vydeleniia stafilokokkov u domashnykh zhivotnykh i identifikatsiia shtammov
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	Series Volume		Series Issue		Edition
	ISSN	0372-9311	ISBN		Medium
	Area		Expedition		Conference
	Notes	PMID:3445728			Approved	no
	Call Number	Equine Behaviour @ team @			Serial	2676
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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
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	Language	English	Summary Language		Original Title
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	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	Hughes, K.L.; Sulaiman, I.
	Title	The ecology of Rhodococcus equi and physicochemical influences on growth			Type	Journal Article
	Year	1987	Publication	Veterinary Microbiology	Abbreviated Journal	Vet Microbiol
	Volume	14	Issue	3	Pages	241-250
	Keywords	Animals; Feces/microbiology; Horses; Hydrogen-Ion Concentration; Rhodococcus/growth & development; Soil Microbiology; Temperature
	Abstract	Growth of Rhodococcus equi was studied in vitro. Optimal growth occurred under aerobic conditions between pH 7.0 and 8.5, at 30 degrees C. R. equi survived better in a neutral soil (pH 7.3) than it did in two acid soils (pH less than 5.5). It grew substantially better in soils enriched with faeces than in soils alone. Simple organic acids in horse dung, especially acetate and propionate, appear to be important in supporting growth of R. equi in the environment. The ecology of R. equi can be best explained by an environmental cycle allowing its proliferation in dung, influenced by management, grazing behaviour and prevailing climatic conditions. Preventive measures should be aimed at reducing or avoiding focal areas of faecal contamination in the environment.
	Address	School of Veterinary Science, University of Melbourne, Parkville, Vic., Australia
	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:3672866			Approved	no
	Call Number	Equine Behaviour @ team @			Serial	2678
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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
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	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	Enileeva, N.K.
	Title	[Ecological characteristics of horse stomach botflies in Uzbekistan]			Type	Journal Article
	Year	1987	Publication	Parazitologiia	Abbreviated Journal	Parazitologiia
	Volume	21	Issue	4	Pages	577-579
	Keywords	Animals; Diptera/physiology; Ecology; Female; Flight, Animal; Horses/parasitology; Larva/physiology; Male; Population Dynamics; Uzbekistan
	Abstract	The paper describes the flight periods and dynamics of abundance of horse botflies, life span of females and males, effect of environmental factors on the activity of flies and their behaviour, potential fecundity of different species of botflies, duration of embryonal development, preservation of viability of larvae in egg membranes, localization of different stages of botflies in the host, and methods of their control.
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	Language	Russian	Summary Language		Original Title	Ekologicheskie osobennosti zheludochnykh ovodov loshadei v Uzbekistane
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN	0031-1847	ISBN		Medium
	Area		Expedition		Conference
	Notes	PMID:2958767			Approved	no
	Call Number	Equine Behaviour @ team @			Serial	2680
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	Author	Sukhomlinov, B.F.; Korobov, V.N.; Gonchar, M.V.; Datsiuk, L.A.; Korzhev, V.A.
	Title	[Comparative analysis of the peroxidase activity of myoglobins in mammals]			Type	Journal Article
	Year	1987	Publication	Zhurnal Evoliutsionnoi Biokhimii i Fiziologii	Abbreviated Journal	Zh Evol Biokhim Fiziol
	Volume	23	Issue	1	Pages	37-41
	Keywords	Amino Acid Sequence; Animals; Ecology; Evolution; Kinetics; Mammals/metabolism; Myoglobin/metabolism; Peroxidases/metabolism
	Abstract	Studies have been made on the peroxidase activity of metmyoglobins in animals from various ecological groups--the horse Equus caballus, cattle Bos taurus, beaver Castor fiber, otter Lutra lutra, mink Mustela vison and dog Canis familiaris. It was found that the level of this activity in diving animals depends on the duration of their diving, whereas in terrestrial species--on the strength of muscular contraction.
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	Publisher		Place of Publication		Editor
	Language	Russian	Summary Language		Original Title	Sravnitel'nyi analiz peroksidaznoi aktivnosti mioglobinov u mlekopitaiushchikh
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN	0044-4529	ISBN		Medium
	Area		Expedition		Conference
	Notes	PMID:3564776			Approved	no
	Call Number	Equine Behaviour @ team @			Serial	2681
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	Author	Rumbaugh, D.M.; Savage-Rumbaugh, S.; Hegel, M.T.
	Title	Summation in the chimpanzee (Pan troglodytes)			Type	Journal Article
	Year	1987	Publication	Journal of Experimental Psychology. Animal Behavior Processes	Abbreviated Journal	J Exp Psychol Anim Behav Process
	Volume	13	Issue	2	Pages	107-115
	Keywords	Animals; Choice Behavior; Cognition; Male; Mathematics; *Pan troglodytes; Visual Perception
	Abstract	In this research, we asked whether 2 chimpanzee (Pan troglodytes) subjects could reliably sum across pairs of quantities to select the greater total. Subjects were allowed to choose between two trays of chocolates. Each tray contained two food wells. To select the tray containing the greater number of chocolates, it was necessary to sum the contents of the food wells on each tray. In experiments where food wells contained from zero to four chocolates, the chimpanzees chose the greater value of the summed wells on more than 90% of the trials. In the final experiment, the maximum number of chocolates assigned to a food well was increased to five. Choice of the tray containing the greater sum still remained above 90%. In all experiments, subjects reliably chose the greater sum, even though on many trials a food well on the “incorrect” tray held more chocolates than either single well on the “correct” tray. It was concluded that without any known ability to count, these chimpanzees used some process of summation to combine spatially separated quantities. Speculation regarding the basis for summation includes consideration of perceptual fusion of pairs of quantities and subitization.
	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	0097-7403	ISBN		Medium
	Area		Expedition		Conference
	Notes	PMID:3572305			Approved	no
	Call Number	Equine Behaviour @ team @			Serial	2785
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