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Author Punzo, F.; Ludwig, L.
Title Contact with maternal parent and siblings affects hunting behavior, learning, and central nervous system development in spiderlings of Hogna carolinensis (Araeneae: Lycosidae) Type Journal Article
Year (down) 2002 Publication Animal Cognition Abbreviated Journal Anim. Cogn.
Volume 5 Issue 2 Pages 63-70
Keywords Animals; Central Nervous System/*growth & development; Female; *Learning; Male; *Predatory Behavior; Social Isolation; *Spiders
Abstract The purpose of this study was to determine the effects of early experience (rearing conditions) on the central nervous system (CNS) and behavior of spiderlings of Hogna carolinensis (Lycosidae). We were interested in whether or not spiderlings that were allowed to remain in contact with their maternal parent and siblings (enriched condition, EC) would exhibit differences in CNS development or subsequent behavior when compared with those reared in isolation (improverished condition, IC). Spiderlings emerged from their egg sacs and climbed onto the dorsal surface of their mother's abdomen where they remained until their yolk supply was depleted (5 days). They dispersed on day 6 after emergence. We compared the ability of 16-day-old EC and IC spiderlings to capture prey in a linear runway and to learn a complex maze (spatial learning). We also compared certain aspects of CNS development (brain weight, total number of brain cells, volume of central body and protocerebral neuropil) in EC and IC spiderlings. Results indicated that EC subjects are more efficient at capturing moving prey (crickets) and exhibited improved performance (significantly fewer blind alley errors) in the maze. The volume of the protocerebral neuropil in 6-day-old EC animals increased 30% over a 5-day period after emergence as compared to IC animals of the same age. The volume of the central body of EC animals increased 34.8% over the same time period. On day 6 after emergence, the weight of the protocerebrum was significantly greater in EC versus IC subjects. There were no significant effects of rearing condition (EC vs IC) or age (1- and 6-day-old spiderlings) on the total number of nerve cells in the protocerebrum, suggesting that the difference in protocerebral weight was due primarily to differences in supporting glial tissues and neuropil matrix. In conclusion, the data suggest that early contact with the maternal parent and siblings is of vital importance to CNS development in lycosid spiderlings and can influence the capacity for spatial learning as well as the ability to capture prey.
Address Box 5F-Dept. of Biology, University of Tampa, 401 W. Kennedy Blvd., Tampa, FL 33606, USA. fpunzo@ut.edu
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 1435-9448 ISBN Medium
Area Expedition Conference
Notes PMID:12150037 Approved no
Call Number Equine Behaviour @ team @ Serial 2607
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Author Swanson, J.C.
Title Farm animal well-being and intensive production systems Type Journal Article
Year (down) 1995 Publication Journal of Animal Science Abbreviated Journal J. Anim Sci.
Volume 73 Issue 9 Pages 2744-2751
Keywords Animal Husbandry/legislation & jurisprudence/*standards; Animal Rights/legislation & jurisprudence/standards; Animal Welfare/legislation & jurisprudence/*standards; Animals; Animals, Domestic/*growth & development/*physiology; Breeding/legislation & jurisprudence/*standards; Cattle; Chickens; Environment; Reproduction/physiology; Sheep; Swine
Abstract Animal welfare, or well-being, is a social issue with ethical, scientific, political, and aesthetic properties. Answering questions about the welfare of animals requires scientific definition, assessment, solutions, and public acceptance. With respect to the actual well-being of the animal, most issues are centered on how the animal “feels” when managed within a specific level of confinement, during special agricultural practices (e.g., tail docking, beak trimming, etc.) and handling. Questions of this nature may require exploration of animal cognition, motivation, perception, and emotional states in addition to more commonly recognized indicators of well-being. Several general approaches have emerged for solving problems concerning animal well-being in intensive production systems: environmental, genetic, and therapeutic. Environmental approaches involve modifying existing systems to accommodate specific welfare concerns or development of alternative systems. Genetic approaches involve changing the behavioral and (or) physiological nature of the animal to reduce or eliminate behaviors that are undesirable within intensive system. Therapeutic approaches of a physical (tail docking, beak trimming) and physiological (drug and nutritional therapy) nature bring both concern and promise with regard to the reduction of confinement stress. Finally, the recent focus on commodity quality assurance programs may indirectly provide benefits for animal well-being. Although research in the area of animal well-being will provide important information for better animal management, handling, care, and the physical design of intensive production systems there is still some uncertainty regarding public acceptance. The aesthetics of modern intensive production systems may have as much to do with public acceptance as with science.
Address Department of Animal Sciences and Industry, Kansas State University, Manhattan 66506, USA
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 0021-8812 ISBN Medium
Area Expedition Conference
Notes PMID:8582867 Approved no
Call Number Equine Behaviour @ team @ Serial 2752
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Author Eisgruber, H.; Stolle, F.A.
Title [Clostridia in carcasses and fresh meat--a literature review] Type Journal Article
Year (down) 1992 Publication Zentralblatt fur Veterinarmedizin. Reihe B. Journal of Veterinary Medicine. Series B Abbreviated Journal Zentralbl Veterinarmed B
Volume 39 Issue 10 Pages 746-754
Keywords Abattoirs; Animals; Cattle; Clostridium/*growth & development; *Food Microbiology; Horses; Meat/*microbiology; Muscles/*microbiology; Sheep; Swine
Abstract Clostridia are of large clinical importance as well as in the field of food hygiene, where they are responsible for spoilage but they also have a certain significance as food poisoning organisms. Information on the ecology of Clostridia in samples of deep muscle tissue of slaughtered animals is insufficient. This article is intended to increase the knowledge on the occurrence of different Clostridia species in slaughtered animals. The main emphasis is put on the significance of clostridia in meat hygiene. The theoretical basis of the so called original content of microorganisms (intrinsic bacteria), the factors and pathways of Clostridia spreading in muscles and organs are demonstrated.
Address Institut fur Hygiene und Technologie, Ludwig-Maximilians-Universitat Munchen
Corporate Author Thesis
Publisher Place of Publication Editor
Language German Summary Language Original Title Clostridien in Schlachttierkorpern und frischem Fleisch--Eine Literaturubersicht
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 0514-7166 ISBN Medium
Area Expedition Conference
Notes PMID:1492516 Approved no
Call Number Equine Behaviour @ team @ Serial 2668
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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 (down) 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.; Narita, K.; Ando, K.; Tsubaki, S.
Title Ecology of Rhodococcus (Corynebacterium) equi in soil on a horse-breeding farm Type Journal Article
Year (down) 1986 Publication Veterinary Microbiology Abbreviated Journal Vet Microbiol
Volume 12 Issue 2 Pages 169-177
Keywords Actinomycetales/classification/*growth & development; Animals; Corynebacterium/classification/*growth & development; Feces/microbiology; Female; Horses; Serotyping; *Soil Microbiology
Abstract The ecology of Rhodococcus (Corynebacterium) equi in soil was studied on a horse-breeding farm. R. equi was cultured from soil at a depth of 0, 10, and 20 cm on the six sites of the farm at monthly intervals for 10 months from March to December of 1983. The highest numbers of R. equi were found in the surface soil. The mean number of bacteria in soil samples at every depth increased remarkably from 0 or 10(2) to 10(4) colony-forming units (CFU) g-1 of soil in the middle of April, and later decreased gradually. R. equi inoculated into six soil exudate broths prepared from surface soils at separate sites yielded suspensions with different optical densities, indicating differences in growth. The distribution of serotypes in the soil was similar to that in the horses on the farm. These findings indicated that R. equi could multiply in the soil and flourish in the cycle existing between horses and their soil environment.
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 0378-1135 ISBN Medium
Area Expedition Conference
Notes PMID:3750818 Approved no
Call Number Equine Behaviour @ team @ Serial 2683
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Author Strickman, D.
Title Notes on Tabanidae (Diptera) from Paraguay Type Journal Article
Year (down) 1982 Publication Journal of Medical Entomology Abbreviated Journal J Med Entomol
Volume 19 Issue 4 Pages 399-402
Keywords Animals; Cattle; Diptera/*growth & development; Dogs; Ecology; Female; Geography; Horses; Humans; Insect Bites and Stings/epidemiology/veterinary; Male; Paraguay
Abstract
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 0022-2585 ISBN Medium
Area Expedition Conference
Notes PMID:7154018 Approved no
Call Number Equine Behaviour @ team @ Serial 2690
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Author Hoff, M.P.; Nadler, R.D.; Maple, T.L.
Title Development of infant independence in a captive group of lowland gorillas Type Journal Article
Year (down) 1981 Publication Developmental Psychobiology Abbreviated Journal Dev Psychobiol
Volume 14 Issue 3 Pages 251-265
Keywords Animals; *Dependency (Psychology); Female; Gorilla gorilla/*growth & development; Male; Maternal Behavior; *Personality; Sex Factors; Social Behavior; Weaning
Abstract In March 1976, 3 lowlands gorillas (Gorilla gorilla gorilla) were born to primiparous females living with an adult male in a large compound at the field station of the Yerkes Regional Primate Research Center of Emory University. Observations of parent and infant behavior began at the birth of the infants, using several methods of data collection. This report focuses on the development of independence in these infants over the 1st 1 1/2 years of life. As expected, measures of mother-infant contact and proximity decreased with age. Several measures suggested that infant independence developed as an interactive process between mothers and infants, with primary responsibility changing over the months of study. Maternal behaviors that served to maintain mother-infant contact were found to decrease with age, with an eventual shift to infant responsibility for contact maintenance. Additionally, the adult male appeared to influence developing independence as reflected in the maternal protectiveness evoked by his behavior.
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 0012-1630 ISBN Medium
Area Expedition Conference
Notes PMID:7262467 Approved no
Call Number Equine Behaviour @ team @ Serial 4170
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Author Callinan, A.P.
Title The ecology of the free-living stages of Trichostrongylus axei Type Journal Article
Year (down) 1978 Publication International Journal for Parasitology Abbreviated Journal Int J Parasitol
Volume 8 Issue 6 Pages 453-456
Keywords Animals; Ecology; Horses; Larva/growth & development; Sheep; Trichostrongyloidea/*growth & development
Abstract
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 0020-7519 ISBN Medium
Area Expedition Conference
Notes PMID:748218 Approved no
Call Number Equine Behaviour @ team @ Serial 2697
Permanent link to this record
 

 
Author Polyanskaya, A.I.; Ovchinnikov, V.V.
Title Rate of growth and size of the brain of the horse mackerel Type Journal Article
Year (down) 1974 Publication The Soviet Journal of Ecology Abbreviated Journal Sov J Ecol
Volume 4 Issue 3 Pages 256-257
Keywords Animals; Body Weight; *Brain; Ecology; Fishes/*growth & development; Genetics, Population; Organ Size
Abstract
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 0096-7807 ISBN Medium
Area Expedition Conference
Notes PMID:4825911 Approved no
Call Number Equine Behaviour @ team @ Serial 2708
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Author Ogbourne, C.P.
Title Variations in the fecundity of strongylid worms of the horse Type Journal Article
Year (down) 1971 Publication Parasitology Abbreviated Journal Parasitology
Volume 63 Issue 2 Pages 289-298
Keywords Animals; Animals, Newborn; Ecology; Feces; Female; Horses; Larva/growth & development; Male; Ovum; Parasite Egg Count; Reproduction; Seasons; Strongyle Infections, Equine/*etiology; Strongyloides/*growth & development; Time Factors
Abstract
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 0031-1820 ISBN Medium
Area Expedition Conference
Notes PMID:5129804 Approved no
Call Number Equine Behaviour @ team @ Serial 2727
Permanent link to this record