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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 (up) 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
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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 Eisenmann V, G.D.C.
Title Caractères distinctifs des premières phalanges antérieures et postérieures chez certains équidés actuels et fossiles Type Journal Article
Year (up) 1974 Publication Abbreviated Journal Bull Soc g?ol France
Volume 16 Issue Pages 352-361
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Notes from Professor Hans Klingels Equine Reference List Approved no
Call Number Serial 1059
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Author Eisenmann V, G.D.C.
Title Caractères distinctifs entre vrais zèbres et zèbres de Chapman d`après l`étude de 60 têtes osseuses. Type Journal Article
Year (up) 1974 Publication Abbreviated Journal Mammalia
Volume 38 Issue Pages 509-543
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Notes from Professor Hans Klingels Equine Reference List Approved no
Call Number Serial 1060
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Author Hillidge, C.J.; Lees, P.
Title Cardiac output in the conscious and anaesthetised horse Type Journal Article
Year (up) 1975 Publication Equine veterinary journal Abbreviated Journal Equine Vet J
Volume 7 Issue 1 Pages 16-21
Keywords Anesthesia, Inhalation/*veterinary; Animals; Carbon Dioxide/blood; *Cardiac Output/veterinary; *Consciousness; Electrocardiography/veterinary; Ether, Ethyl; Female; Halothane; Heart Rate; Heart Ventricles/physiology; Horses/*physiology; Hydrogen-Ion Concentration; Male; Oxygen/blood; Posture
Abstract Cardiac output in the horse was measured before and at predetermined times during 2-hour periods of thiopentone-halothane and thiopentone-diethyl ether anaesthesia. Left ventricular stroke volume was decreased to a similar extent during anaesthesia with each volatile agent, but a greater reduction in cardiac output occurred during halothane anaesthesia. This finding reflected the differing effects of halothane and ether on heart rate, a slight bradycardia occurring with the former agent while ether produced a small degree of tachycardia. The latter effect was attributed to enhanced sympathoadrenal activity. Changes in cardiac output and stroke volume were considered in relation to other factors, including arterial blood pH and tensions of oxygen and carbon dioxide. Positive correlations between some of these variables and cardiac function were established. With both volatile agents the reductions in stroke volume and cardiac output were related to the duration of anaesthesia, being greatest during the early stages. Possible reasons for the tendency of stroke volume and cardiac output to return towards control levels are discussed.
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ISSN 0425-1644 ISBN Medium
Area Expedition Conference
Notes PMID:234842 Approved no
Call Number refbase @ user @ Serial 102
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Author Belonje, P.C.; van Niekerk, C.H.
Title A review of the influence of nutrition upon the oestrous cycle and early pregnancy in the mare Type Journal Article
Year (up) 1975 Publication Journal of Reproduction and Fertility. Supplement Abbreviated Journal J Reprod Fertil Suppl
Volume Issue 23 Pages 167-169
Keywords Animals; Body Weight; *Diet; *Estrus; Female; Fertility; Fetal Resorption/prevention & control; Horses/*physiology; Pregnancy
Abstract Attention is drawn to the beneficial effect of improved nutrition during winter and early spring on the ovarian activity of mares. Furthermore, the necessity of an adequate plane of nutrition during early pregnancy to prevent embryonic resorption is stressed.
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ISSN 0449-3087 ISBN Medium
Area Expedition Conference
Notes PMID:1060772 Approved no
Call Number Equine Behaviour @ team @ Serial 2225
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Author Nelson, W.A.; Keirans, J.E.; Bell, J.F.; Clifford, C.M.
Title Host-ectoparasite relationships Type Journal Article
Year (up) 1975 Publication Journal of Medical Entomology Abbreviated Journal J Med Entomol
Volume 12 Issue 2 Pages 143-166
Keywords Animal Nutrition Physiology; Animals; Anoplura/physiology; *Arthropods; Birds/parasitology; Chickens/parasitology; Dermacentor/parasitology; Diptera; Ecology; Feeding Behavior; Female; Horses/parasitology; Humans; Male; Mallophaga/physiology; Mice/parasitology; Mites/physiology; Reproduction; Sarcoptes scabiei/physiology; Sheep/parasitology; Skin/parasitology; Ticks/physiology; Toxins, Biological/toxicity; Trombiculidae/physiology
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Language English Summary Language Original Title
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 0022-2585 ISBN Medium
Area Expedition Conference
Notes PMID:808617 Approved no
Call Number Equine Behaviour @ team @ Serial 2704
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Author Sudia, W.D.; Fernandez, L.; Newhouse, V.F.; Sanz, R.; Calisher, C.H.
Title Arbovirus vector ecology studies in Mexico during the 1972 Venezuelan equine encephalitis outbreak Type Journal Article
Year (up) 1975 Publication American Journal of Epidemiology Abbreviated Journal Am J Epidemiol
Volume 101 Issue 1 Pages 51-58
Keywords Animals; Arboviruses/isolation & purification; Culicidae/microbiology; Disease Vectors/*microbiology; Ecology; Encephalitis Virus, St. Louis/isolation & purification; Encephalitis Virus, Venezuelan Equine/*isolation & purification; Encephalitis Virus, Western Equine/isolation & purification; Encephalomyelitis, Equine/epidemiology/*transmission/veterinary; Horse Diseases/epidemiology/*transmission; Horses; Insect Vectors/microbiology; Mexico
Abstract Virus vector studies were conducted in the States of Durango, Chihuahua, and Tamaulipas, Mexico, in June and July 1972. Apparently only a low level of Venzuelan equine encephalitis (VEE) virus transmission to equines occured at the time of the study, and the infection was restricted to areas which had not experienced overt activity during the preceding year. The low level of infection was associated with a scarcity of mosquitoes. The IB (epidemic) strain of VEE virus was isolated from two pools of Anopheles pseudopunctipennis (Theo.) and the blood of one symptomatic equine. The low mosquito population, the relatively few equine cases observed, and the absence of reports of VEE human disease from the outbreak area suggested VEE virus persistence through a low-level mosquito-equine transmission cycle. Other studies have already indicated that wild vertebrates play no more than a minor role in outbreaks of epidemic VEE. Mosquito collections made in areas of the states of Durango, Chihuahua, and Tamaulipas, where considerable epidemic activity of VEE had occurred in 1971, failed to reveal evidence of VEE virus persistence. Twenty-nine ioslations of other arboviruses were also made in these studies: including 22 of St. Louis encephalitis virus (SLE), 2 of Flanders virus, 1 of Turlock virus, 1 of Trivittatus virus of the California Group, 1 of western equine encephalitis virus (VEE), and 2 (from Santa Rose) which possibly represent a hitherto unknown virus in the Bunyamwera Group. These are the first reports of SLE virus isolations from mosquitoes in Mexico, and the first demonstration of Trivittatus, VEE Turlock and Flanders viruses in Mexico from any source.
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ISSN 0002-9262 ISBN Medium
Area Expedition Conference
Notes PMID:235213 Approved no
Call Number Equine Behaviour @ team @ Serial 2706
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Author Kirkpatrick, J.F.; Vail, R.; Devous, S.; Schwend, S.; Baker, C.B.; Wiesner, L.
Title Diurnal variation of plasma testosterone in wild stallions Type Journal Article
Year (up) 1976 Publication Biology of reproduction Abbreviated Journal Biol Reprod
Volume 15 Issue 1 Pages 98-101
Keywords Animals; *Circadian Rhythm; Horses/*blood; Male; Montana; Sexual Behavior, Animal; Species Specificity; Testosterone/*blood
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Series Volume Series Issue Edition
ISSN 0006-3363 ISBN Medium
Area Expedition Conference
Notes PMID:986195 Approved no
Call Number refbase @ user @ Serial 149
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Author Dowdle, W.R.; Schild, G.C.
Title Influenza: its antigenic variation and ecology Type Journal Article
Year (up) 1976 Publication Bulletin of the Pan American Health Organization Abbreviated Journal Bull Pan Am Health Organ
Volume 10 Issue 3 Pages 193-195
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
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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ISSN 0085-4638 ISBN Medium
Area Expedition Conference
Notes PMID:187273 Approved no
Call Number Equine Behaviour @ team @ Serial 2700
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Author Anderson , M.C.; Shettleworth, S.J.
Title Behavioral adaptation to fixed-interval and fixed-time food delivery in golden hamsters Type Journal Article
Year (up) 1977 Publication Journal of the Experimental Analysis of Behavior (JEAB) Abbreviated Journal J Exp Anal Behav
Volume 27 Issue 1 Pages 33-49
Keywords
Abstract Food-deprived golden hamsters in a large enclosure received food every 30 sec contingent on lever pressing, or free while their behavior was continuously recorded in terms of an exhaustive classification of motor patterns. As with other species in other situations, behavior became organized into two main classes. One (terminal behaviors) increased in probability throughout interfood intervals; the other (interim behaviors) peaked earlier in interfood intervals. Which class an activity belonged to was independent of whether food was contingent on lever pressing. When food was omitted on some of the intervals (thwarting), the terminal activities began sooner in the next interval, and different interim activities changed in different ways. The interim activities did not appear to be schedule-induced in the usual sense. Rather, the hamsters left the area of the feeder when food was not due and engaged in activities they would normally perform in the experimental environment.
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Series Editor Series Title Abbreviated Series Title
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ISSN 0022-5002 ISBN Medium
Area Expedition Conference
Notes PMID:16811980 Approved no
Call Number refbase @ user @ Serial 388
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