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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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Volume |
23 |
Issue |
1 |
Pages  |
37-41 |
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Keywords |
Amino Acid Sequence; Animals; Ecology; *Evolution; Kinetics; Mammals/*metabolism; Myoglobin/*metabolism; Peroxidases/*metabolism |
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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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Russian |
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Original Title |
Sravnitel'nyi analiz peroksidaznoi aktivnosti mioglobinov u mlekopitaiushchikh |
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0044-4529 |
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PMID:3564776 |
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no |
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Call Number |
Equine Behaviour @ team @ |
Serial |
2681 |
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Author |
Chmel, L.; Hasilikova, A.; Hrasko, J.; Vlacilikova, A. |
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Title |
The influence of some ecological factors on keratinophilic fungi in the soil |
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Journal Article |
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Year |
1972 |
Publication |
Sabouraudia |
Abbreviated Journal |
Sabouraudia |
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Volume |
10 |
Issue |
1 |
Pages |
26-34 |
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Keywords |
Animals; Arthrodermataceae/growth & development/isolation & purification/metabolism; Carbohydrates; Czechoslovakia; Ecology; Fungi/growth & development/*isolation & purification/metabolism; Hair; Horses; Humic Substances; Humidity; Keratins/metabolism; Microsporum/isolation & purification; Mitosporic Fungi/isolation & purification; Phosphates; Seasons; Soil; *Soil Microbiology; Species Specificity; Temperature; Trichophyton/isolation & purification |
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English |
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0036-2174 |
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PMID:5063162 |
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Call Number |
Equine Behaviour @ team @ |
Serial |
2719 |
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Author |
Capela, R.; Sousa, C.; Pena, I.; Caeiro, V. |
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Title |
Preliminary note on the distribution and ecology of Culicoides imicola in Portugal |
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Journal Article |
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Year |
1993 |
Publication |
Medical and Veterinary Entomology |
Abbreviated Journal |
Med Vet Entomol |
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Volume |
7 |
Issue |
1 |
Pages |
23-26 |
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Keywords |
Animals; *Ceratopogonidae; Ecology; Population Density; Portugal |
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Abstract |
Data on Culicoides imicola were obtained during studies carried out during the recent outbreak of African horse sickness in Portugal. The previous most northerly published record of C. imicola in Portugal was 38 degrees 40'N (Pegoes). In the present work the geographical distribution of this species is extended to the parallel of 41 degrees 17'N. We have also confirmed the continuous presence of adult C. imicola in Southern Portugal (Alentejo and Algarve) throughout the year. In the laboratory we obtained this species from a sample of cattle faeces and from another of soil contaminated with animal excreta. In relation to host association 57.37% of C. imicola were trapped in the vicinity of pigsties. Finally, we collected 11,463 Culicoides of which 12.47% were C. imicola. |
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Departamento de Zoologia e Antropologia, Universidade de Lisboa, Portugal |
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0269-283X |
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PMID:8435485 |
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no |
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Call Number |
Equine Behaviour @ team @ |
Serial |
2666 |
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Author |
Beveridge, W.I. |
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Title |
Unravelling the ecology of influenza A virus |
Type |
Journal Article |
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Year |
1993 |
Publication |
History and Philosophy of the Life Sciences |
Abbreviated Journal |
Hist Philos Life Sci |
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Volume |
15 |
Issue |
1 |
Pages |
23-32 |
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Keywords |
Animals; Bird Diseases/epidemiology/*history/microbiology; Birds; Ecology; History, 20th Century; Horse Diseases/epidemiology/*history/microbiology; Horses; Humans; Influenza A virus/*isolation & purification; Influenza, Human/epidemiology/*history/microbiology/*veterinary; Swine; Swine Diseases/epidemiology/*history/microbiology; Zoonoses/history |
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For 20 years after the influenza A virus was discovered in the early 1930s, it was believed to be almost exclusively a human virus. But in the 1950s closely related viruses were discovered in diseases of horses, pigs and birds. Subsequently influenza A viruses were found to occur frequently in many species of birds, particularly ducks, usually without causing disease. Researchers showed that human and animal strains can hybridise thus producing new strains. Such hybrids may be the cause of pandemics in man. Most pandemics have started in China or eastern Russia where many people are in intimate association with animals. This situation provides a breeding ground for new strains of influenza A virus. |
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0391-9714 |
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Notes |
PMID:8310117 |
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no |
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Call Number |
Equine Behaviour @ team @ |
Serial |
2667 |
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Author |
Healy,S.; Braithwaite, V |
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Title |
Cognitive ecology: a field of substance? |
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Journal Article |
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Year |
2000 |
Publication |
Trends in Ecology & Evolution |
Abbreviated Journal |
Trends. Ecol. Evol |
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Volume |
15 |
Issue |
1 |
Pages |
22-26 |
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Keywords |
Cognitive ecology; Neuroethology; Cognition; Ecology; Evolution; Orientation mechanisms |
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Abstract |
In 1993, Les Real invented the label 'cognitive ecology'. This label was intended for work that brought cognitive science and behavioural ecology together. Real's article stressed the importance of such an approach to the understanding of behaviour. At the end of a decade in which more interdisciplinary work on behaviour has been seen than for many years, it is time to assess whether cognitive ecology is a label describing an active field. |
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Division of Biological Sciences, King's Buildings, University of Edinburgh, West Mains Road, Edinburgh, UK EH9 3JT |
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0169-5347 |
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Notes |
PMID:10603501 |
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Call Number |
refbase @ user @ |
Serial |
837 |
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Author |
Kiltie, R.A.; Fan, J.; Laine, A.F. |
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Title |
A wavelet-based metric for visual texture discrimination with applications in evolutionary ecology |
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Journal Article |
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Year |
1995 |
Publication |
Mathematical Biosciences |
Abbreviated Journal |
Math Biosci |
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Volume |
126 |
Issue |
1 |
Pages |
21-39 |
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Keywords |
Animals; Carnivora; *Ecology; Equidae; *Evolution; Humans; Mathematics; Models, Biological; Moths; *Pattern Recognition, Visual; Pigmentation |
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Abstract |
Much work on natural and sexual selection is concerned with the conspicuousness of visual patterns (textures) on animal and plant surfaces. Previous attempts by evolutionary biologists to quantify apparency of such textures have involved subjective estimates of conspicuousness or statistical analyses based on transect samples. We present a method based on wavelet analysis that avoids subjectivity and that uses more of the information in image textures than transects do. Like the human visual system for texture discrimination, and probably like that of other vertebrates, this method is based on localized analysis of orientation and frequency components of the patterns composing visual textures. As examples of the metric's utility, we present analyses of crypsis for tigers, zebras, and peppered moth morphs. |
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Department of Zoology, University of Florida, Gainesville |
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0025-5564 |
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PMID:7696817 |
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no |
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Call Number |
Equine Behaviour @ team @ |
Serial |
2660 |
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Author |
Clark, G.G.; Hibler, C.P. |
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Title |
Horse flies and Elaeophora schneideri in the Gila National Forest, New Mexico |
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Journal Article |
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Year |
1973 |
Publication |
Journal of Wildlife Diseases |
Abbreviated Journal |
J Wildl Dis |
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Volume |
9 |
Issue |
1 |
Pages |
21-25 |
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Keywords |
Animals; *Diptera; Ecology; *Filarioidea; Geography; Insect Vectors; Larva; New Mexico; Seasons |
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0090-3558 |
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PMID:4694585 |
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no |
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Call Number |
Equine Behaviour @ team @ |
Serial |
2714 |
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Author |
Konstantinov, S.A.; Veselkin, A.G. |
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Title |
[The intensity and efficiency of a gadfly attack on cattle depending on the number and location of the animals in the herd] |
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Journal Article |
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Year |
1989 |
Publication |
Parazitologiia |
Abbreviated Journal |
Parazitologiia |
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Volume |
23 |
Issue |
1 |
Pages |
3-10 |
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Keywords |
Animals; Cattle/*parasitology; Diptera/*physiology; Ecology; Insect Bites and Stings/parasitology/*veterinary; Russia |
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Abstract |
The effect of group was studied on cattle being attacked by horse flies of three genera. The method of simultaneous registrations of attacking horse flies in herds of 8 to 100 animals and on single cows was used. It has been shown that the effect of group reveals itself only when animals in the herd reach a certain minimum number, the effect rate depending on peculiarities of attacking of a given species of bloodsuckers, such as a part of responding individuals, distance of an attack, duration of contact with an object. These parameters tend to change with increasing number of animals in the herd. Therefore differences in the intensity of attacks on herds with different cattle stock cannot be explained proceeding only from differences in the occupied areas. The number of attacking horse flies decreases from the periphery of the herd to its centre and is not the same in different parts of the periphery. The effectiveness of attacking, ie the part of sucking individuals of a given species (genus) from the number of horse flies attacking for a definite period of time, is the highest in a large herd and increases in its ranges from the periphery to the centre. This dependence leads to a more even distribution of sucking individuals as compared to attacking ones. |
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Russian |
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Original Title |
Intensivnost' i effektivnost' napadeniia slepnei na krupnyi rogatyi skot v zavisimosti ot chisla i mestopolozheniia zhivotnykh v stade |
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ISSN |
0031-1847 |
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Notes |
PMID:2524028 |
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no |
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Call Number |
Equine Behaviour @ team @ |
Serial |
2674 |
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Author |
Grafner, G.; Zimmermann, H.; Karge, E.; Munch, J.; Ribbeck, R.; Hiepe, T. |
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Title |
[Incidence and damages inflicted by simuliid flies in the GDR district of Schwerin] |
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Journal Article |
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Year |
1976 |
Publication |
Angewandte Parasitologie |
Abbreviated Journal |
Angew Parasitol |
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Volume |
17 |
Issue |
1 |
Pages |
2-6 |
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Keywords |
Animals; Cattle; Cattle Diseases/*parasitology; Climate; *Diptera/growth & development; Ecology; Ectoparasitic Infestations/*veterinary; Germany, East; Horse Diseases/*parasitology; Horses; Swine; Swine Diseases/*parasitology |
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Abstract |
Systematic faunal studies in the district Schwerin showed at the present time there are 3 more or less damage-biotopes existing in the districts of Perleberg, Ludwigslust and Parchim; 5 river sources can be considered as potential sources, 5 are temporary and 2 are ephemeral whilst in 3 further areas environmental influences such as effluent impairs the flow of the river and the developmental stages of Simuliidae were not observed.--The following species were found: Boophthora erythrocephala, Wilhelmia salopiensis, Wilhelmia equina, Odagmia ornata, Eusimulium aureum and Eusimulium lundstroemi.--The damage statistics covering the period 1966--1971 showed in the district of Schwerin, due to Simuliid attacks, 38 cattle died, 170 were seriously ill; in 1967 5 horses were seriously ill; in 1971, 3 pigs died and 27 were seriously ill.--The symptoms were manifested by pathological petechiae, scabs and oedema, also by insufficiency of the heart and circulatory system, diminished performance and growth disturbance. In severe cases heart and circulation failure occurred, paresis, coma and death followed.--The real economic significance of the Simuliid attacks rest with its strong and prolonged distrubance in young animals, as well as in pronounced irreparable diminished performance in diseased dairy cattle. |
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German |
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Original Title |
Vorkommen und Schadwirkung von Kriebelmucken im DDR-Bezirk Schwerin |
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0003-3162 |
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PMID:1267220 |
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no |
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Call Number |
Equine Behaviour @ team @ |
Serial |
2699 |
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Author |
Linklater, W.L. |
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Title |
Adaptive explanation in socio-ecology: lessons from the Equidae |
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Journal Article |
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Year |
2000 |
Publication |
Biological Reviews of the Cambridge Philosophical Society |
Abbreviated Journal |
Biol. Rev. |
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Volume |
75 |
Issue |
1 |
Pages |
1-20 |
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*Adaptation, Physiological; Animals; Ecology; Equidae/*physiology; Female; Male; Phylogeny |
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Abstract |
Socio-ecological explanations for intra- and interspecific variation in the social and spatial organization of animals predominate in the scientific literature. The socio-ecological model, developed first for the Bovidae and Cervidae, is commonly applied more widely to other groups including the Equidae. Intraspecific comparisons are particularly valuable because they allow the role of environment and demography on social and spatial organization to be understood while controlling for phylogeny or morphology which confound interspecific comparisons. Feral horse (Equus caballus Linnaeus 1758) populations with different demography inhabit a range of environments throughout the world. I use 56 reports to obtain 23 measures or characteristics of the behaviour and the social and spatial organization of 19 feral horse populations in which the environment, demography, management, research effort and sample size are also described. Comparison shows that different populations had remarkably similar social and spatial organization and that group sizes and composition, and home range sizes varied as much within as between populations. I assess the few exceptions to uniformity and conclude that they are due to the attributes of the studies themselves, particularly to poor definition of terms and inadequate empiricism, rather than to the environment or demography per se. Interspecific comparisons show that equid species adhere to their different social and spatial organizations despite similarities in their environments and even when species are sympatric. Furthermore, equid male territoriality has been ill-defined in previous studies, observations presented as evidence of territoriality are also found in non-territorial equids, and populations of supposedly territorial species demonstrate female defence polygyny. Thus, territoriality may not be a useful categorization in the Equidae. Moreover, although equid socio-ecologists have relied on the socio-ecological model derived from the extremely diverse Bovidae and Cervidae for explanations of variation in equine society, the homomorphic, but large and polygynous, and monogeneric Equidae do not support previous socio-ecological explanations for relationships between body size, mating system and sexual dimorphism in ungulates. Consequently, in spite of the efforts of numerous authors during the past two decades, functional explanations of apparent differences in feral horse and equid social and spatial organization and behaviour based on assumptions of their current utility in the environmental or demographic context remain unconvincing. Nevertheless, differences in social cohesion between species that are insensitive to intra- and interspecific variation in habitat and predation pressure warrant explanation. Thus, I propose alternative avenues of inquiry including testing for species-specific differences in inter-individual aggression and investigating the role of phylogenetic constraints in equine society. The Equidae are evidence of the relative importance of phylogeny and biological structure, and unimportance of the present-day environment, in animal behaviour and social and spatial organization. |
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Institute of Natural Resources, Massey University, Palmerston North, New Zealand |
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English |
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ISSN |
1464-7931 |
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Notes |
PMID:10740891 |
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Call Number |
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Serial |
2024 |
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