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Author |
Mcinnis Ml, V.M. |
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Title |
Dietary relationships among feral horses, cattle, and pronhorn in southeastern Oregon |
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Journal Article |
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Year |
1987 |
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Abbreviated Journal |
J Range Mgmt |
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Volume |
40 |
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60-66 |
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from Professor Hans Klingels Equine Reference List |
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no |
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1379 |
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Author |
Hardy, J.L. |
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Title |
The ecology of western equine encephalomyelitis virus in the Central Valley of California, 1945-1985 |
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Journal Article |
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Year |
1987 |
Publication |
The American Journal of Tropical Medicine and Hygiene |
Abbreviated Journal |
Am J Trop Med Hyg |
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Volume |
37 |
Issue |
3 Suppl |
Pages |
18s-32s |
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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 |
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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. |
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Department of Biomedical and Environmental Health Sciences, School of Public Health, University of California, Berkeley 94720 |
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English |
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0002-9637 |
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PMID:3318522 |
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Equine Behaviour @ team @ |
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2677 |
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Author |
Penzhorn Bl, L.P. |
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Title |
Comparisons of reproductive parameters of two Cape mountain zebra populations |
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Journal Article |
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Year |
1987 |
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J Reprod Fert Suppl |
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35 |
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Pages |
661-663 |
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from Professor Hans Klingels Equine Reference List |
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no |
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1462 |
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Kacelnik, A. |
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Title |
Information primacy or preference for familiar foraging techniques? A critique of Inglis & Ferguson |
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Journal Article |
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Year |
1987 |
Publication |
Animal Behaviour. |
Abbreviated Journal |
Anim. Behav. |
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35 |
Issue |
3 |
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925-926 |
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2121 |
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Author |
Giraldeau, L.-A.; Lefebvre, L. |
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Title |
Scrounging prevents cultural transmission of food-finding behaviour in pigeons |
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Journal Article |
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Year |
1987 |
Publication |
Animal Behaviour. |
Abbreviated Journal |
Anim. Behav. |
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35 |
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2 |
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387-394 |
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Living in groups should promote the cultural transmission of a novel behaviour because opportunities for observing knowledgeable individuals are likely to be more numerous in this condition. However, in this study pigeons who shared the food discoveries of others (scroungers) did not learn the food-finding technique used by the discoverers (producers). Individually-caged pigeons prevented from scrounging easily learned the technique from a conspecific tutor. When caged pigeons obtained food from the tutor's performance, most naïve observers failed to learn. In a flock, scroungers selectively followed producers. In individual cages, scrounging during the tutor's demonstration was equivalent to getting no demonstration at all. This effect of scrounging did not interfere with subsequent acquisition of the food-finding behaviour when scrounging was no longer possible. |
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0003-3472 |
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no |
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Equine Behaviour @ team @ |
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5265 |
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Author |
Harrington, F.H. |
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Title |
Aggressive howling in wolves |
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Journal Article |
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Year |
1987 |
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Anim Behav |
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35 |
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Equine Behaviour @ team @ Harrington1987 |
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6457 |
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Author |
GODFREY D et al, |
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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 |
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Journal Article |
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Year |
1987 |
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Biol J Linnean Soc |
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32 |
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427-433 |
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Notes |
from Professor Hans Klingels Equine Reference List |
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no |
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1116 |
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DOBRORUKA LJ et al, |
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Title |
An analysis of the population of Grevy's zebra |
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Journal Article |
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Year |
1987 |
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Abbreviated Journal |
Int Zoo Yb |
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26 |
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Pages |
290-293 |
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from Professor Hans Klingels Equine Reference List |
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no |
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1018 |
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Author |
Sukhomlinov, B.F.; Korobov, V.N.; Gonchar, M.V.; Datsiuk, L.A.; Korzhev, V.A. |
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Title |
[Comparative analysis of the peroxidase activity of myoglobins in mammals] |
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Journal Article |
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Year |
1987 |
Publication |
Zhurnal Evoliutsionnoi Biokhimii i Fiziologii |
Abbreviated Journal |
Zh Evol Biokhim Fiziol |
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23 |
Issue |
1 |
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37-41 |
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Amino Acid Sequence; Animals; Ecology; *Evolution; Kinetics; Mammals/*metabolism; Myoglobin/*metabolism; Peroxidases/*metabolism |
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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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Sravnitel'nyi analiz peroksidaznoi aktivnosti mioglobinov u mlekopitaiushchikh |
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0044-4529 |
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PMID:3564776 |
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Equine Behaviour @ team @ |
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2681 |
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Author |
Enileeva, N.K. |
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Title |
[Ecological characteristics of horse stomach botflies in Uzbekistan] |
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Journal Article |
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Year |
1987 |
Publication |
Parazitologiia |
Abbreviated Journal |
Parazitologiia |
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21 |
Issue |
4 |
Pages |
577-579 |
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Animals; Diptera/*physiology; Ecology; Female; Flight, Animal; Horses/*parasitology; Larva/physiology; Male; Population Dynamics; Uzbekistan |
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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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Russian |
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Ekologicheskie osobennosti zheludochnykh ovodov loshadei v Uzbekistane |
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0031-1847 |
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PMID:2958767 |
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Equine Behaviour @ team @ |
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2680 |
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