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Author Etienne, A.S.; Maurer, R.; Seguinot, V.
Title Path integration in mammals and its interaction with visual landmarks Type Journal Article
Year 1996 Publication (up) The Journal of Experimental Biology Abbreviated Journal J Exp Biol
Volume 199 Issue Pt 1 Pages 201-209
Keywords Animals; Cognition/physiology; Cricetinae; Gerbillinae; Humans; Locomotion/*physiology; Mammals/*physiology; Mesocricetus; Mice; Proprioception/physiology; Rats; Visual Pathways/*physiology; Visual Perception/*physiology
Abstract During locomotion, mammals update their position with respect to a fixed point of reference, such as their point of departure, by processing inertial cues, proprioceptive feedback and stored motor commands generated during locomotion. This so-called path integration system (dead reckoning) allows the animal to return to its home, or to a familiar feeding place, even when external cues are absent or novel. However, without the use of external cues, the path integration process leads to rapid accumulation of errors involving both the direction and distance of the goal. Therefore, even nocturnal species such as hamsters and mice rely more on previously learned visual references than on the path integration system when the two types of information are in conflict. Recent studies investigate the extent to which path integration and familiar visual cues cooperate to optimize the navigational performance.
Address Laboratoire d'Ethologie, FPSE, Universite de Geneve, Carouge, Switzerland
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ISSN 0022-0949 ISBN Medium
Area Expedition Conference
Notes PMID:8576691 Approved no
Call Number Equine Behaviour @ team @ Serial 2758
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Author Hoogstraal, H.; Dhanda, V.; Bhat, H.R.
Title Haemaphysalis (Kaiseriana) davisi sp. n. (Ixodoidea: Ixodidae), a parasite of domestic and wild mammals in Northeastern India, Sikkim, and Burma Type Journal Article
Year 1970 Publication (up) The Journal of Parasitology Abbreviated Journal J Parasitol
Volume 56 Issue 3 Pages 588-595
Keywords Animals; Cattle; Cattle Diseases/etiology; Deer; Ecology; Goats; Horse Diseases/etiology; Horses; India; Mammals; Myanmar; Sheep; Sheep Diseases/etiology; Tick Infestations; Ticks/*classification/isolation & purification
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ISSN 0022-3395 ISBN Medium
Area Expedition Conference
Notes PMID:4246255 Approved no
Call Number Equine Behaviour @ team @ Serial 2736
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Author Creel, S.
Title Social dominance and stress hormones Type Journal Article
Year 2001 Publication (up) Trends in Ecology & Evolution Abbreviated Journal Trends. Ecol. Evol
Volume 16 Issue 9 Pages 491-497
Keywords Dominance; rank; stress; glucocorticoids; cooperative breeding; sociality; behavioural endocrinology; mammals
Abstract In most cooperatively breeding birds and mammals, reproductive rates are lower for social subordinates than for dominants, and it is common for reproduction in subordinates to be completely suppressed. Early research conducted in captivity showed that losing fights can increase glucocorticoid (GC) secretion, a general response to stress. Because GCs can suppress reproduction, it has been widely argued that chronic stress might underlie reproductive suppression of social subordinates in cooperative breeders. Contradicting this hypothesis, recent studies of cooperative breeders in the wild show that dominant individuals have elevated GCs more often than do subordinates. The findings that elevated GCs can be a consequence of subordination or a cost of dominance complicate the conventional view of social stress, with broad ramifications for the evolution of dominance and reproductive suppression.
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Notes Approved no
Call Number Equine Behaviour @ team @ Serial 4072
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Author Wilson, D.A.; Stevenson, R.J.
Title The fundamental role of memory in olfactory perception Type Journal Article
Year 2003 Publication (up) Trends in Neurosciences Abbreviated Journal Trends. Neurosci.
Volume 26 Issue 5 Pages 243-247
Keywords olfactory perception mammals
Abstract Current emphasis on odorant physiochemical features as the basis for perception largely ignores the synthetic and experience-dependent nature of olfaction. Olfaction is synthetic, as mammals have only limited ability to identify elements within even simple odor mixtures. Furthermore, olfaction is experience-bound, as exposure alone can significantly affect the extent to which stimuli can be discriminated. We propose that early analytical processing of odors is inaccessible at the behavioral level and that all odors are initially encoded as `objects' in the piriform cortex. Moreover, we suggest that odor perception is wholly dependent on the integrity of this memory system and that its loss severely impairs normal perception.
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Notes Approved no
Call Number refbase @ user @ Serial 795
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Author Wang, L.Y.
Title Host preference of mosquito vectors of Japanese encephalitis Type Journal Article
Year 1975 Publication (up) Zhonghua Minguo wei Sheng wu xue za zhi = Chinese Journal of Microbiology Abbreviated Journal Zhonghua Min Guo Wei Sheng Wu Xue Za Zhi
Volume 8 Issue 4 Pages 274-279
Keywords Animals; *Behavior, Animal; Birds/blood; *Culex; Ecology; Encephalitis, Japanese/*transmission; *Feeding Behavior; Female; Humans; *Insect Vectors; Mammals/blood; Species Specificity; Taiwan
Abstract The host preference of 4 Culex mosquito species collected in Miaoli and Pingtung counties, Taiwan was studied by capillary precipitin method. Antisera to alum-precipitated sera of man, bovine, swine, rabbit, horse, dog, cat, mouse, chicken, duck, and pigeon were produced in rabbits and reacted with 758 mosquito blood meals among which reactions to one or more antisera. Culex annulus and Culex tritaeniorhynchus summorosus showed a great avidity for pig, and Culex fuscocephala for bovine. Culex pipiens fatigans was ornithophilic. None of 110 C. t. summorosus and 2.4% of 223 C. annulus had fed on man. Among 66 samples of C.p. fatigans tested 10.3% had fed on man, while none of 359 C. fuscocephala did. It seems that the latter does not act as a primary vector of Japanese encephalitis.
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Language English Summary Language Original Title
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ISSN 0009-4587 ISBN Medium
Area Expedition Conference
Notes PMID:181218 Approved no
Call Number Equine Behaviour @ team @ Serial 2702
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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 (up) 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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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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