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Author Moehlman, P.
Title (down) The odd-toed ungulates: order Perrisodactyla Type Book Chapter
Year 1985 Publication Social odours in mammals Abbreviated Journal
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Publisher Oxford University Press Place of Publication Oxford Editor Brown , R.E. ;Macdonald, D.W.
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Notes Approved no
Call Number Equine Behaviour @ team @ Serial 2379
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Author Laut, J.E.; Houpt, K.A.; Hintz, H.F.; Houpt, T.R.
Title (down) The effects of caloric dilution on meal patterns and food intake of ponies Type Journal Article
Year 1985 Publication Physiology & behavior Abbreviated Journal Physiol. Behav.
Volume 35 Issue 4 Pages 549-554
Keywords Animals; Body Weight; *Diet; Energy Intake; *Feeding Behavior; Homeostasis; Horses/*physiology; Male
Abstract In order to determine if horses will increase their intake in response to caloric dilution, four pony geldings were fed ad lib a mixed grain diet either undiluted (3.4 Mcal/kg of digestible energy) or diluted (wt/wt) with 25% sawdust (2.6 Mcal/kg) or with 50% sawdust (1.7 Mcal/kg). The mean daily caloric intake was 17,457 kcal (3.4 Mcal diet), 17,546 kcal (2.6 Mcal diet) and 12,844 kcal (1.7 Mcal). The mean time spent eating was 246 (3.4 Mcal), 351 (2.6 Mcal), and 408 (1.7 Mcal) minutes/day. Meal size increased and meal frequency decreased with increasing dilution. The median long survivorships of intermeal intervals were 6.4 min (3.4 Mcal), 3.95 min (2.6 Mcal) and 4.91 min (1.7 Mcal). Ponies responded to caloric dilution by increasing the volume of intake to maintain caloric intake when the diet had 25% diluent. When the diet was diluted by 50%, intake was increased, but not at a rate adequate to maintain caloric intake. However, the ponies were able to maintain body weight.
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ISSN 0031-9384 ISBN Medium
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Notes PMID:4070429 Approved no
Call Number refbase @ user @ Serial 52
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Author Kamil, A.C.; Roitblat, H.L.
Title (down) The Ecology of Foraging Behavior: Implications for Animal Learning and Memory Type Journal Article
Year 1985 Publication Annual Review of Psychology Abbreviated Journal
Volume 36 Issue 1 Pages 141-169
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Call Number refbase @ user @ Serial 3543
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Author Lowenstein Jm,
Title (down) The cry of the quagga Type Journal Article
Year 1985 Publication Abbreviated Journal Counterpoints in Science
Volume Issue Pages 40-42
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Notes from Professor Hans Klingels Equine Reference List Approved no
Call Number Serial 1352
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Author Miller, J.A.
Title (down) Telling a quagga by its stripes. (extinct South African animal) Type Journal Article
Year 1985 Publication Science News Abbreviated Journal Sci. News
Volume 128 Issue Pages 70
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Abstract If, in a mix-up at a costume shop, a couple were issued the front half of a zebra suit and the back half of a horse, it could be considered a quagga disguise. But if the masqueraders were pressed as to whether they were more horse or more zebra, the latest biochemical research advises them to insist on zebra.

The quagga, a South African animal extinct for more than 100 years, has been a source of confusion among taxonomists. Some contend, on the basis of the quagga skins preserved in museums, that this front-striped animal is a zebra, either a fourth zebra species or a variant of the Plains zebra, whose hindquarter stripes are dim. But others have argued that the quagga's teeth and skeleton indicate that its nearest relative is the true horse.

Biochemists joined the fray last year when muscle tissue was obtained from a salt-preserved quagga pelt in a West German museum. The tissue yielded both proteins and genes that could be analyzed (SN:6/9/84, p. 356).

Now the analysis has yielded some results. According to “remarkably concordant” findings on the proteins and on the genes, the quagga was a subspecies of the Plains zebra, says Jerold M. Lowenstein of the University of California at San Francisco. He looked at the binding between a sample of quagga proteins and mixtures of antibodies that bind to blood-serum proteins of each of the extant Equus species. The quagga sample bound more of the antibodies against Plains zebra serum than against the other species. Lowenstein calculates that the quagga relationship with the Plains zebra is six times closer than its relationship with the two other zebra species.

“We had to use special techniques to show the difference,” Lowenstein told SCIENCE NEWS. “There is 99 percent identity on the protein level. All the [Equus] species diverged within the past 5 million years, which is only yesterday in evolutionary terms.”

The quagga-Plains zebra relationship is further supported by the analysis of quagga mitochondrial genes performed by Russell Higuchi and Allan Wilson at the University of California at Berkeley. They find seven times as great a difference between quagga and Mountain zebra DNA as they do between quagga and Plains zebra DNA.

“Stripes, the molecules tell us, do make a zebra,” Lowenstein concludes in the July 18 NEW SCIENTIST, “and the half-striped quagga was a Plains zebra.”
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Call Number Equine Behaviour @ team @ Serial 2375
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Author Shanklin , E.
Title (down) Sustenance and Symbol: Anthropological Studies of Domesticated Animals Type Journal Article
Year 1985 Publication Annual Review of Anthropology Abbreviated Journal
Volume 14 Issue Pages 375-403
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Abstract INTRODUCTION Thinking about Animals For nearly as long as anything can be inferred about human cognition, paleoanthropologists and archaeologists believe humans have thought carefully about animals, about the “predominant characteristic” of each animal, and about those “contradictory elements” that make up humankind. This careful thought has had many outcomes, some scientific, others not. Among the scientific outcomes in the 19th century was evolutionary thinking about the causes and consequences of domestication, including Charles Darwin's study (32) of the mechanics of human (artificial) selection of domesticated animal and plant population characteristics. In the 20th century, theoretical refinements and the painstaking collection of empirical data have led to studies of such disparate phenomena as the physical consequences of keeping pets (12); the spread of antibiotic-resistant bacteria as a result of feeding antibiotics to livestock (117); and the evolutionary consequences of milkdrinking (99). Speculation about the origins of human-animal interaction is not the exclusive province of scientists: religions and storytellers alike customarily try to account for the beginnings of human-animal interaction. Genesis does so
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Call Number Equine Behaviour @ team @ Serial 4256
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Author Kolter L,
Title (down) Soziale Bezeihungen zwischen den Przewalskipferden im Kölner Zoo Type Journal Article
Year 1985 Publication Abbreviated Journal Z Kölner Zoo
Volume 28 Issue Pages 193-201
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Notes from Professor Hans Klingels Equine Reference List Approved no
Call Number Serial 1325
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Author Sweeting, M.P.; Houpt, C.E.; Houpt, K.A.
Title (down) Social Facilitation of Feeding and Time Budgets in Stabled Ponies Type Journal Article
Year 1985 Publication Journal of Animal Science Abbreviated Journal J. Anim Sci.
Volume 60 Issue 2 Pages 369-374
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Abstract Eight pairs of pony mares were observed. Members of a pair were housed in adjacent stalls and fed hay ad libitum. The behavior of both ponies was recorded simultaneously in the morning (1000 to 1200 h) and afternoon (1400 to 1600 h) for a total of 117 h. The time budget was: 70.1 {+/-} 8.6% eating; 17.8 {+/-} 7.4% standing (including stand rest, stand alert and stand nonajert); 5.2 {+/-} 7.0% pushing hay; 2.9 {+/-} 1.2% walking; 1.9 {+/-} 2.9% drinking; 1.3 {+/-} 1.1% self-grooming; .2 {+/-} .3% defecating; .06 {+/-} .1% chewing nonfood items; .06 {+/-} .03% urination; .06 {+/-} .1% licking salt; .07 {+/-} .1% pawing hay; .6 {+/-} .7% lying and .07 {+/-} .08% stretching the neck over the stall wall dividing the ponies. While eating, the ponies lifted their heads 25.4 {+/-} 11.0 times/h. In less than one-half of the occasions when urination or defecation was observed, the ponies walked away from the spot where they had been eating to eliminate. During one-half of the observations, visual contact between the ponies was prevented by a solid partition between the stalls. The ponies spent significantly more time standing nonalert when the partition prevented visual contact (12 {+/-} 7%) than when visual contact could take place (6 {+/-} 3%, P<.05). When fresh hay was supplied in the mornings, the ponies spent similar amounts of time eating whether visual contact was allowed or not, but in the afternoon significantly more time was spent feeding when visual contact was allowed (73 {+/-} 4%) than when it was not (60 {+/-} 7%). Less time was spent eating, in the absence of visual contact, despite the presence of auditory and olfactory contact. Apparently social facilitation is important in maintaining feeding behavior in ponies. N1 -
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Call Number Equine Behaviour @ team @ Serial 4232
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Author Trivers, R.L.
Title (down) Social Evolution Type Miscellaneous
Year 1985 Publication Abbreviated Journal
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Call Number Equine Behaviour @ team @ Serial 4906
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Author CROWELL-DAVIS SL et al
Title (down) Snapping by foals of Equus caballus. Type Journal Article
Year 1985 Publication Zeitschrift für Tierpsychologie Abbreviated Journal Z. Tierpsychol.
Volume 69 Issue Pages 42-54
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Notes from Professor Hans Klingels Equine Reference List Approved no
Call Number Serial 997
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