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| Author | Francis-Smith, K.; Wood-Gush, D.G.M. | ||||
| Title | Copropgagia as seen in thoroughbred foals | Type | Journal Article | ||
| Year | 1977 | Publication | Equine veterinary journal | Abbreviated Journal | Equine Vet J |
| Volume | 9 | Issue | 3 | Pages | 155-157 |
| Keywords | animal; article; coprophagy; defecation; eating; female; horse; horse disease; human; mastication | ||||
| Abstract | Four Thoroughbred foals were seen to quickly eat part of the faeces deposited by their own dams on some 40 per cent of the mare-defaecating occasions observed between the second and fifth week after birth. They did not do it before or after this period. This behaviour was thought to be a feeding pattern which formed a normal part of the foal's development. | ||||
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| Notes | from Professor Hans Klingels Equine Reference List | Approved | no | ||
Call Number  |
Serial | 1090 | |||
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| Author | Arnold, W.; Ruf, T.; Kuntz, R. | ||||
| Title | Seasonal adjustment of energy budget in a large wild mammal, the Przewalski horse (Equus ferus przewalskii) II. Energy expenditure | Type | Journal Article | ||
| Year | 2006 | Publication | The Journal of experimental biology | Abbreviated Journal | J Exp Biol |
| Volume | 209 | Issue | Pt 22 | Pages | 4566-4573 |
| Keywords | Animals; Animals, Wild/*physiology; Body Temperature; Body Temperature Regulation; Eating; *Energy Metabolism; Female; Heart Rate; Horses/*physiology; Male; Motor Activity; Pregnancy; Reproduction; *Seasons | ||||
| Abstract | Many large mammals show pronounced seasonal fluctuations of metabolic rate (MR). It has been argued, based on studies in ruminants, that this variation merely results from different levels of locomotor activity (LA), and heat increment of feeding (HI). However, a recent study in red deer (Cervus elaphus) identified a previously unknown mechanism in ungulates--nocturnal hypometabolism--that contributed significantly to reduced energy expenditure, mainly during late winter. The relative contribution of these different mechanisms to seasonal adjustments of MR is still unknown, however. Therefore, in the study presented here we quantified for the first time the independent contribution of thermoregulation, LA and HI to heart rate (f(H)) as a measure of MR in a free-roaming large ungulate, the Przewalski horse or Takhi (Equus ferus przewalskii Poljakow). f(H) varied periodically throughout the year with a twofold increase from a mean of 44 beats min(-1) during December and January to a spring peak of 89 beats min(-1) at the beginning of May. LA increased from 23% per day during December and January to a mean level of 53% per day during May, and declined again thereafter. Daily mean subcutaneous body temperature (T(s)) declined continuously during winter and reached a nadir at the beginning of April (annual range was 5.8 degrees C), well after the annual low of air temperature and LA. Lower T(s) during winter contributed considerably to the reduction in f(H). In addition to thermoregulation, f(H) was affected by reproduction, LA, HI and unexplained seasonal variation, presumably reflecting to some degree changes in organ mass. The observed phase relations of seasonal changes indicate that energy expenditure was not a consequence of energy uptake but is under endogenous control, preparing the organism well in advance of seasonal energetic demands. | ||||
| Address | Research Institute of Wildlife Ecology, University of Veterinary Medicine, Vienna, Savoyenstrasse 1, 1160 Vienna, Austria. walter.arnold@vu-wien.ac.at | ||||
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| Language | English | Summary Language | Original Title | ||
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| ISSN | 0022-0949 | ISBN | Medium | ||
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| Notes | PMID:17079726 | Approved | no | ||
| Call Number |
Serial | 1782 | |||
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| Author | Lonsdorf, E.V. | ||||
| Title | What is the role of mothers in the acquisition of termite-fishing behaviors in wild chimpanzees (Pan troglodytes schweinfurthii)? | Type | Journal Article | ||
| Year | 2006 | Publication | Animal Cognition | Abbreviated Journal | Anim. Cogn. |
| Volume | 9 | Issue | 1 | Pages | 36-46 |
| Keywords | Animals; Animals, Wild; *Behavior, Animal; Cooking and Eating Utensils; Feeding Behavior/*psychology; Female; *Imitative Behavior; Learning; Mothers/*psychology; Motor Skills; Pan troglodytes/*psychology; Problem Solving | ||||
| Abstract | This paper explores the role of maternal influences on the acquisition of a tool-using task in wild chimpanzees (Pan troglodytes schweinfurthii) in order to build on and complement previous work done in captivity. Young chimpanzees show a long period of offspring dependency on mothers and it is during this period that offspring learn several important skills, especially how to and on what to forage. At Gombe National Park, one skill that is acquired during dependency is termite-fishing, a complex behavior that involves inserting a tool made from the surrounding vegetation into a termite mound and extracting the termites that attack and cling to the tool. All chimpanzees observed at Gombe have acquired the termite-fishing skill by the age of 5.5 years. Since the mother is the primary source of information throughout this time period, I investigated the influence of mothers' individual termite-fishing characteristics on their offsprings' speed of acquisition and proficiency at the skill once acquired. Mother's time spent alone or with maternal family members, which is highly correlated to time spent termite-fishing, was positively correlated to offspring's acquisition of critical elements of the skill. I also investigated the specific types of social interactions that occur between mothers and offspring at the termite mound and found that mothers are highly tolerant to offspring, even when the behavior of the offspring may disrupt the termite-fishing attempt. However, no active facilitation by mothers of offsprings' attempts were observed. | ||||
| Address | Department of Ecology, Evolution and Behavior, University of Minnesota, St. Paul, MN 55108, USA. elonsdorf@lpzoo.org | ||||
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| Language | English | Summary Language | Original Title | ||
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| ISSN | 1435-9448 | ISBN | Medium | ||
| Area | Expedition | Conference | |||
| Notes | PMID:16195914 | Approved | no | ||
| Call Number |
Equine Behaviour @ team @ | Serial | 2480 | ||
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| Author | Hirata, S.; Celli, M.L. | ||||
| Title | Role of mothers in the acquisition of tool-use behaviours by captive infant chimpanzees | Type | Journal Article | ||
| Year | 2003 | Publication | Animal Cognition | Abbreviated Journal | Anim. Cogn. |
| Volume | 6 | Issue | 4 | Pages | 235-244 |
| Keywords | Animals; Cooking and Eating Utensils; Feeding Behavior; Female; Imitative Behavior/*physiology; Male; Mothers/*psychology; Motor Skills/*physiology; Pan troglodytes/*growth & development/*psychology; Problem Solving/*physiology | ||||
| Abstract | This article explores the maternal role in the acquisition of tool-use behaviours by infant chimpanzees ( Pan troglodytes). A honey-fishing task, simulating ant/termite fishing found in the wild, was introduced to three dyads of experienced mother and naive infant chimpanzees. Four fishing sites and eight sets of 20 objects to be used as tools, not all appropriate, were available. Two of the mothers constantly performed the task, using primarily two kinds of tools; the three infants observed them. The infants, regardless of the amount of time spent observing, successfully performed the task around the age of 20-22 months, which is earlier than has been recorded in the wild. Two of the infants used the same types of tools that the adults predominantly used, suggesting that tool selectivity is transmitted. The results also show that adults are tolerant of infants, even if unrelated; infants were sometimes permitted to lick the tools, or were given the tools, usually without honey, as well as permitted to observe the adult performances closely. | ||||
| Address | Primate Research Institute, Kyoto University, Inuyama, Kanrin, 484-8506 Aichi, Japan. hirata@gari.be.to | ||||
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| Language | English | Summary Language | Original Title | ||
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| ISSN | 1435-9448 | ISBN | Medium | ||
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| Notes | PMID:13680401 | Approved | no | ||
| Call Number |
Equine Behaviour @ team @ | Serial | 2555 | ||
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| Author | Biro, D.; Inoue-Nakamura, N.; Tonooka, R.; Yamakoshi, G.; Sousa, C.; Matsuzawa, T. | ||||
| Title | Cultural innovation and transmission of tool use in wild chimpanzees: evidence from field experiments | Type | Journal Article | ||
| Year | 2003 | Publication | Animal Cognition | Abbreviated Journal | Anim. Cogn. |
| Volume | 6 | Issue | 4 | Pages | 213-223 |
| Keywords | Animals; Cooking and Eating Utensils; *Culture; *Diffusion of Innovation; *Feeding Behavior/psychology; Female; Functional Laterality; *Imitative Behavior; Male; Motor Skills; Pan troglodytes/*psychology; *Social Environment | ||||
| Abstract | Chimpanzees (Pan troglodytes) are the most proficient and versatile users of tools in the wild. How such skills become integrated into the behavioural repertoire of wild chimpanzee communities is investigated here by drawing together evidence from three complementary approaches in a group of oil-palm nut- ( Elaeis guineensis) cracking chimpanzees at Bossou, Guinea. First, extensive surveys of communities adjacent to Bossou have shown that population-specific details of tool use, such as the selection of species of nuts as targets for cracking, cannot be explained purely on the basis of ecological differences. Second, a 16-year longitudinal record tracing the development of nut-cracking in individual chimpanzees has highlighted the importance of a critical period for learning (3-5 years of age), while the similar learning contexts experienced by siblings have been found to result in near-perfect (13 out of 14 dyads) inter-sibling correspondence in laterality. Third, novel data from field experiments involving the introduction of unfamiliar species of nuts to the Bossou group illuminates key aspects of both cultural innovation and transmission. We show that responses of individuals toward the novel items differ markedly with age, with juveniles being the most likely to explore. Furthermore, subjects are highly specific in their selection of conspecifics as models for observation, attending to the nut-cracking activities of individuals in the same age group or older, but not younger than themselves. Together with the phenomenon of inter-community migration, these results demonstrate a mechanism for the emergence of culture in wild chimpanzees. | ||||
| Address | Primate Research Institute, Kyoto University, Japan. dora.biro@zoology.oxford.ac.uk | ||||
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| Publisher | Springer-Verlag | Place of Publication | Editor | ||
| Language | English | Summary Language | Original Title | ||
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| ISSN | 1435-9448 | ISBN | Medium | ||
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| Notes | PMID:12898285 | Approved | no | ||
| Call Number |
Equine Behaviour @ team @ | Serial | 2560 | ||
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| Author | Overdorff, D.J.; Erhart, E.M.; Mutschler, T. | ||||
| Title | Does female dominance facilitate feeding priority in black-and-white ruffed lemurs (Varecia variegata) in southeastern Madagascar? | Type | Journal Article | ||
| Year | 2005 | Publication | American journal of primatology | Abbreviated Journal | Am. J. Primatol. |
| Volume | 66 | Issue | 1 | Pages | 7-22 |
| Keywords | Agonistic Behavior; Animals; Eating/physiology; Feeding Behavior/*physiology; Female; Leadership; Lemuridae/*physiology; Madagascar; Male; Observation; Sex Factors; *Social Dominance | ||||
| Abstract | Although many Malagasy lemurs are thought to be female dominant and to have female feeding priority, to date the relationship between these behaviors has been rigorously established only in Lemur catta, and other ways that females might achieve feeding priority have not been examined closely. Erhart and Overdorff [International Journal of Primatology 20:927-940, 1999] suggested that one way female primates achieve feeding priority is to initiate and lead groups to food, thereby gaining access to the food first and positively influencing their food intake compared to other group members. Here we describe female dominance patterns and potential measures of feeding priority in two groups of black-and-white ruffed lemurs (Varecia variegata) that were observed over a 15-month period in southeastern Madagascar. We predicted that the females would 1) be consistently dominant to males, 2) lead groups to food sources more often than males, and 3) have higher feeding rates compared to males when they arrived at food sources first. The results were dissimilar between the study groups. During the study, the oldest adult female in group 1 died. There was no evidence for female dominance in this group, and the remaining (likely natal) female did not lead the group more often, nor did she have a higher food intake than males. Group 1 dispersed shortly after the time frame reported here. In contrast, the resident female in group 2 was dominant to group males (based on agonistic interactions), led the group to food sources more often, and experienced a higher food intake when she arrived first at a food source. How these patterns vary over time and are influenced by the number of females in groups, group stability, food quality, and reproductive condition will be examined in future analyses. | ||||
| Address | Department of Anthropology, University of Texas, Austin, Texas 78712-1086, USA. overdorff@mail.utexas.edu | ||||
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| Language | English | Summary Language | Original Title | ||
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| Series Volume | Series Issue | Edition | |||
| ISSN | 0275-2565 | ISBN | Medium | ||
| Area | Expedition | Conference | |||
| Notes | PMID:15898069 | Approved | no | ||
| Call Number |
Equine Behaviour @ team @ | Serial | 4110 | ||
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| Author | Turner, K.K.; Nielsen, B.D.; O'Connor, C.I.; Burton, J.L. | ||||
| Title | Bee pollen product supplementation to horses in training seems to improve feed intake: A pilot study | Type | Journal Article | ||
| Year | 2006 | Publication | Journal of Animal Physiology and Animal Nutrition | Abbreviated Journal | J Anim Physiol Anim Nutr (Berl) |
| Volume | 90 | Issue | 9-10 | Pages | 414-420 |
| Keywords | *Animal Nutrition Physiology; Animals; Antibody Formation; Bees; Detergents; Dietary Fiber/metabolism; Dietary Supplements; *Digestion; Eating/*drug effects; Exercise Test/veterinary; Female; Heart Rate/drug effects/physiology; Horses/blood/immunology/*physiology; Leukocyte Count/*veterinary; Male; Oxygen Consumption/drug effects/physiology; Physical Conditioning, Animal/*physiology; Pilot Projects; *Pollen; Random Allocation | ||||
| Abstract | The objective of this study was to determine the efficacy of supplementation of Dynamic Trio 50/50, a bee pollen-based product, to improve physical fitness, blood leukocyte profiles, and nutritional variables in exercised horses. Ten Arabian horses underwent a standardised exercise test (SET), then were pair-matched by sex and fitness and randomly assigned to BP (receiving 118 g of Dynamic Trio 50/50 daily) or CO (receiving 73 g of a placebo) for a period of 42 days. A total collection was conducted from days 18 to 21 on six geldings to determine nutrient retention and neutral detergent fibre (NDF) and acid detergent fibre (ADF) digestibility. Horses were exercise conditioned and completed another SET on day 42. V160 and V200 were calculated from SET heart rates (HR). Lactate, glucose, haematocrit (HT) and haemoglobin (HB) concentrations were determined from SET blood samples. Total leukocyte count, and circulating numbers of various leukocytes and IgG, IgM and IgA concentrations were determined in rest and recovery blood samples from both SETs. Geldings on BP (n = 3) ate more feed than CO. BP had less phosphorus excretion, and tended to retain more nitrogen. BP tended to digest more NDF and ADF while having lower NDF digestibility and tending to have lower ADF digestibility. No treatment differences existed for V160 and V200, HR, lactate, HT and HB. There was a trend for lymphocyte counts to be lower in BP than CO on day 42. Dynamic Trio 50/50 supplementation may have a positive effect on performance by helping horses in training meet their potentially increased nutrient demands by increasing feed intake and thus nutrient retention. | ||||
| Address | Department of Animal Science, Michigan State University, East Lansing, MI 48824, USA. kturner@uga.edu | ||||
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| Language | English | Summary Language | Original Title | ||
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| Series Volume | Series Issue | Edition | |||
| ISSN | 0931-2439 | ISBN | Medium | ||
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| Notes | PMID:16958799 | Approved | no | ||
| Call Number |
Equine Behaviour @ team @ | Serial | 4237 | ||
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| Author | Alexandridis, A. | ||||
| Title | Pferdgestützte Bewegungstherapie bei Essstörungen | Type | Journal Article | ||
| Year | 2009 | Publication | Mensch und Pferd | Abbreviated Journal | mup |
| Volume | 1 | Issue | Pages | 13-26 | |
| Keywords | Pferdgestütze Bewegungstherapie, Essstörungen, Anorexia nervosa, Bulimia Nervosa, „Binge-Eating“-Störung, Natural Horsemanship | ||||
| Abstract | Inhalte und Methoden des Natural Horsemanship (nach Pat Parelli) werden beschrieben und in der Verbindung mit aktuellen bewegungstherapeutischen Behandlungsmethoden bei Anorexia nervosa, Bulimia nervosa und „Binge-Eating“-Störung dargestellt. Diese Zusammenführung ergibt eine pferdgestützte bewegungstherapeutische Methode zur Behandlung von Essstörungen, welche anhand konkreter Praxisbeispiele beschrieben wird. Der Ausblick auf eine laufende Evaluationsstudie schließt den Artikel ab. |
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| Notes | Approved | no | |||
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Equine Behaviour @ team @ | Serial | 5965 | ||
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| Author | Houpt, K.A. | ||||
| Title | Ingestive behavior | Type | Journal Article | ||
| Year | 1990 | Publication | The Veterinary clinics of North America. Equine practice | Abbreviated Journal | Vet Clin North Am Equine Pract |
| Volume | 6 | Issue | 2 | Pages | 319-337 |
| Keywords | Animals; Eating/*physiology; Feeding Behavior/*physiology; Horses/*physiology | ||||
| Abstract | In summary, horses spend 60% or more of their time eating when grazing or when feed is available free choice. Grasses are their preferred food, but they supplement the grass with herbs and woody plants. Sweetened mixtures of oats and corn are the most preferred concentrate. Horses can increase or decrease the time spent eating and amount eaten to maintain caloric intake. Their intake is stimulated by drugs such as diazepam and by the presence of other horses. Horses stop eating when gastric osmolality increases; increases in plasma osmolality, protein, and glucose accompany digestion. Foals eat several times an hour and begin sampling solid food at the same time that their dam is eating. Several areas of particular importance to the equine industry have not been investigated. These areas include the effect of exercise on short- and long-term food intake and the influence of reproductive state on the feeding of mares. | ||||
| Address | Department of Physiology, New York State College of Veterinary Medicine, Cornell University, Ithaca | ||||
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| Language | English | Summary Language | Original Title | ||
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| Series Volume | Series Issue | Edition | |||
| ISSN | 0749-0739 | ISBN | Medium | ||
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| Notes | PMID:2202495 | Approved | no | ||
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refbase @ user @ | Serial | 42 | ||
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| Author | Shaw, E.B.; Houpt, K.A.; Holmes, D.F. | ||||
| Title | Body temperature and behaviour of mares during the last two weeks of pregnancy | Type | Journal Article | ||
| Year | 1988 | Publication | Equine veterinary journal | Abbreviated Journal | Equine Vet J |
| Volume | 20 | Issue | 3 | Pages | 199-202 |
| Keywords | Animals; *Behavior, Animal; *Body Temperature; Circadian Rhythm; Eating; Female; Horses/*physiology; Labor, Obstetric/*physiology; Motor Activity; Pregnancy; Pregnancy, Animal/*physiology | ||||
| Abstract | Average daily core body temperature and behavioural patterns of pregnant mares were studied, in search of definitive signs of parturition within 24 h of the event. Nineteen pony mares were sampled twice daily for core body temperature. A significant temperature drop, averaging 0.1 degrees C (0.2 degrees F) was observed during the day prior to parturition. Between 18.00 h and 06.00 h, during the two weeks before parturition, Thoroughbred and Standardbred mares (n = 52) spent an average 66.8 per cent of their time standing, 27.0 per cent eating, 4.9 per cent lying in sternal recumbency, 1.0 per cent lying in lateral recumbency, and 0.3 per cent walking. On the night before parturition, mares spent significantly less time lying in sternal recumbency than on previous nights and on the night of parturition all behaviour patterns except eating were significantly different from the nights of the two weeks before parturition. There was an increase in walking (5.3 per cent), lying in sternal recumbency (8 per cent) and lying in lateral recumbency (5.3 per cent) whereas standing (53.3 per cent) was decreased. In 58 observed pregnancies, 54 mares (97 per cent) foaled in a recumbent position and 50 mares (86 per cent) foaled between 18.00 h and 06.00 h. | ||||
| Address | Department of Physiology, New York State College of Veterinary Medicine, Cornell University, Ithaca 14853 | ||||
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| Language | English | Summary Language | Original Title | ||
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| ISSN | 0425-1644 | ISBN | Medium | ||
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| Notes | PMID:3402416 | Approved | no | ||
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refbase @ user @ | Serial | 46 | ||
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