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Author Penn, D.C.; Povinelli, D.J. doi  openurl
  Title Causal Cognition in Human and Nonhuman Animals: A Comparative, Critical Review Type Journal Article
  Year 2007 Publication Annual Review of Psychology Abbreviated Journal  
  Volume 58 Issue 1 Pages 97-118  
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  Abstract In this article, we review some of the most provocative experimental results to have emerged from comparative labs in the past few years, starting with research focusing on contingency learning and finishing with experiments exploring nonhuman animals' understanding of causal-logical relations. Although the theoretical explanation for these results is often inchoate, a clear pattern nevertheless emerges. The comparative evidence does not fit comfortably into either the traditional associationist or inferential alternatives that have dominated comparative debate for many decades now. Indeed, the similarities and differences between human and nonhuman causal cognition seem to be much more multifarious than these dichotomous alternatives allow.  
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  Call Number Equine Behaviour @ team @ Penn2007 Serial 2974  
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Author Mennecke, B.E.; Townsend, A.M.; Hayes, D.J.; Lonergan, S.M. url  openurl
  Title A study of the factors that influence consumer attitudes toward beef products using the conjoint market analysis tool Type Journal Article
  Year 2007 Publication Journal of Animal Science Abbreviated Journal J. Anim Sci.  
  Volume Issue Pages jas.2006-495-  
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  Abstract This study utilizes an analysis technique commonly used in marketing, the conjoint method, to examine the relative utilities of a set of beef steak characteristics considered by a national sample of 1,432 US consumers, as well as additional localized samples representing undergraduate students at a business college and in an animal science department. The analyses indicate that among all respondents, region of origin is by far the most important characteristic; this is followed by animal breed, traceability, animal feed, and beef quality. Alternatively, the cost of cut, farm ownership, the use (or non-use) of growth promoters, and whether the product is guaranteed tender were the least important factors. Results for animal science undergraduates are similar to the aggregate results except that these students emphasized beef quality at the expense of traceability and the non-use of growth promoters. Business students also emphasized region of origin but then emphasized traceability and cost. The ideal steak for the national sample is from a locally produced choice Angus, fed a mixture of grain and grass that is traceable to the farm or origin. If the product was not produced locally respondents indicated that their preferred production states are, in order from most to least preferred, Iowa, Texas, Nebraska and Kansas.  
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  Notes 10.2527/jas.2006-495 Approved no  
  Call Number Equine Behaviour @ team @ Serial 2944  
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Author Croney, C.C.; Millman, S.T. url  openurl
  Title BOARD-INVITED REVIEW: The ethical and behavioral bases for farm animal welfare legislation Type Journal Article
  Year 2007 Publication Journal of Animal Science Abbreviated Journal J. Anim Sci.  
  Volume 85 Issue 2 Pages 556-565  
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  Abstract Concerns about farm animal welfare vary among individuals and societies. As people increasingly consider the values underlying current farm animal production methods, farm animal welfare policy debates have escalated. Recent food animal protection policies enacted in the European Union have fueled highly contentious discussions about the need for similar legislative activity in the United States. Policymakers and scientists in the United States are apprehensive about the scientific assessment, validation, and monitoring of animal welfare, as well as the unforeseen consequences of moving too hastily toward legislating farm animal welfare. The potential impact of such legislation on producers, food prices, animals, and concerned citizens must also be considered. Balancing the interests of all stakeholders has therefore presented a considerable challenge that has stymied US policymaking. In this review, we examine the roles of ethics and science in policy decisions, discuss how scientific knowledge relative to animal behavior has been incorporated into animal welfare policy, and identify opportunities for additional refinement of animal welfare science that may facilitate ethical and policy decisions about animal care.  
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  Notes 10.2527/jas.2006-422 Approved no  
  Call Number Equine Behaviour @ team @ Serial 2932  
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Author Watanabe, S. url  doi
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  Title How animal psychology contributes to animal welfare Type Journal Article
  Year 2007 Publication Applied Animal Behaviour Science Abbreviated Journal Appl. Anim. Behav. Sci.  
  Volume 106 Issue 4 Pages 193-202  
  Keywords Animal welfare; Anthropomorphism; Animal psychology; Reinforcement; Socially constructed concept  
  Abstract This article explores the contribution of animal psychology to animal welfare. Since animal welfare includes subjective welfare, it is crucial to know the subjective world of animals. Analysis of the concept of anthropomorphism is particularly important because it is a basic idea of animal ethics. The history of animal psychology, focusing on anthropomorphism and behaviourism, is briefly described, and then measurement of the subjective experience of animals in two ways, namely animal cognition and pleasure or reinforcing effects, is reported. Finally, it is suggested that animal welfare is not a permanently fixed idea, but a socially constructed one that can be changed. To gain widespread agreement about a socially constructed idea, it is important to know in which circumstances ordinary people employ metaphorical extension to an understanding of animal behaviour. In other words, a survey of “folk animal psychology” is important in order to establish a consensus about animal welfare.  
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  Call Number Equine Behaviour @ team @ Serial 2888  
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Author Nogueira, S.S. da C.; Nogueira-Filho, S.L.G.; Bassford, M.; Silvius, K.; Fragoso, J.M.V. url  doi
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  Title Feral pigs in Hawai`i: Using behavior and ecology to refine control techniques Type Journal Article
  Year 2007 Publication Applied Animal Behaviour Science Abbreviated Journal Appl. Anim. Behav. Sci.  
  Volume 108 Issue 1-2 Pages 1-11  
  Keywords Sus scrofa; Invasive species; Wildlife management; Pest management; Vertebrate pest control  
  Abstract Early Polynesians settlers were the first to introduce pigs to the Hawaiian Islands. Later Captain Cook brought European pigs during his first voyage to Hawai`i. Many other importations have followed. Animals from these introductions became feral and dispersed throughout the islands. Free-ranging pigs are now considered pests with negative impacts on some native biota. Several methods to control the ecological damage attributed to pigs have been adopted, such as fencing, hunting, live trapping and poisoning. However, the absence of behavioral knowledge in current control programs has resulted in inefficient management of this species. Therefore, the feral pig problem continues, and what before was almost strictly an agricultural and conservation concern has now become an urban problem as well. The aim of this study is to describe the state of knowledge on feral pig behavior in the Hawaiian Islands, introducing potential management approaches derived from the principles of behavioral ecology. Considering behavioral aspects of feral pig ecology, such as cognition and communication could help improve capture techniques, keep feral pigs away from urban areas and begin to resolve human-wildlife conflicts.  
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  Call Number Equine Behaviour @ team @ Serial 2887  
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Author Gifford, A.K.; Cloutier, S.; Newberry, R.C. url  doi
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  Title Objects as enrichment: Effects of object exposure time and delay interval on object recognition memory of the domestic pig Type Journal Article
  Year 2007 Publication Applied Animal Behaviour Science Abbreviated Journal Appl. Anim. Behav. Sci.  
  Volume 107 Issue 3-4 Pages 206-217  
  Keywords Pig; Cognition; Exploratory behaviour; Animal welfare; Environmental enrichment  
  Abstract A modified spontaneous object recognition test was used to examine object recognition memory in the domestic pig. This test uses preference for a novel object over a previously encountered sample object as indicating recognition of the sample object, and no preference as indicating no recognition. Two factors hypothesized to affect object recognition are duration of exposure to the sample stimulus and delay interval before re-exposure. Both of these factors could be manipulated in a rotational object enrichment program for pigs. Reducing exposure time and increasing the delay interval before re-exposure should decrease object recognition and prolong novelty-induced object exploration. We exposed 5-week-old pigs to different sample objects in their home pens for 10 min and 2 days, respectively. We tested for object recognition memory at various delay intervals after initial exposure by placing littermate pairs in a test pen for 10 min and recording snout contact with a sample object and a completely novel object. At a 1-h delay, half the pairs were tested with the 2-day sample object; the other half received the 10-min sample object. At a 3-h delay, pairs were tested with the opposite sample object. Pairs were also tested with the 2-day sample at a 5-day delay and the 10-min sample at a 6-day delay. We predicted that pigs would show a preference for the novel versus the 2-day sample object at all three delays, but would only prefer the novel object over the 10-min sample object at the 1-h and 3-h delays. Pigs did not show novelty preference in the presence of the 10-min sample object at any delay. Novelty preference in the presence of the 2-day sample object occurred at the 3-h (P < 0.05) and 5-day delays (P < 0.001), but not the 1-h delay. The lack of novelty preference when pigs were tested with the 10-min sample object may have been due to failure to habituate to the sample object. Testing in a different location from the initial sample object exposure and retroactive interference from exposure to the 10-min sample object may have contributed to a temporary lack of novelty preference when pigs were tested with the 2-day sample object at the 1-h delay. The finding that pigs retained a memory for the 2-day sample object for at least 5 days suggests that restricting object exposure to less than 2 days may help to preserve the exploratory value of objects rotated among pens.  
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  Call Number Equine Behaviour @ team @ Serial 2892  
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Author Cantlon, J.F.; Brannon, E.M. url  openurl
  Title How Much Does Number Matter to a Monkey (Macaca mulatta)? Type Journal Article
  Year 2007 Publication Journal of Experimental Psychology: Animal Behavior Processes Abbreviated Journal  
  Volume 33 Issue 1 Pages 32-41  
  Keywords numerical cognition; Weber's law; nonhuman primates; numerosity  
  Abstract Although many animal species can represent numerical values, little is known about how salient number is relative to other object properties for nonhuman animals. In one hypothesis, researchers propose that animals represent number only as a last resort, when no other properties differentiate stimuli. An alternative hypothesis is that animals automatically, spontaneously, and routinely represent the numerical attributes of their environments. The authors compared the influence of number versus that of shape, color, and surface area on rhesus monkeys' (Macaca mulatta) decisions by testing them on a matching task with more than one correct answer: a numerical match and a nonnumerical (color, surface area, or shape) match. The authors also tested whether previous laboratory experience with numerical discrimination influenced a monkey's propensity to represent number. Contrary to the last-resort hypothesis, all monkeys based their decisions on numerical value when the numerical ratio was favorable.  
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  Call Number Equine Behaviour @ team @ Serial 2891  
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Author Meehan, C.L.; Mench, J.A. url  openurl
  Title The challenge of challenge: Can problem solving opportunities enhance animal welfare? Type Journal Article
  Year 2007 Publication Applied Animal Behaviour Science Abbreviated Journal Appl. Anim. Behav. Sci.  
  Volume 102 Issue 3-4 Pages 246-261  
  Keywords Cognition; Environmental enrichment; Challenge; Eustress; Problem solving; Intrinsic motivation  
  Abstract Cognitive mechanisms are an important part of the organization of the behavior systems of animals. In the wild, animals regularly face problems that they must overcome in order to survive and thrive. Solving such problems often requires animals to process, store, retrieve, and act upon information from the environment--in other words, to use their cognitive skills. For example, animals may have to use navigational, tool-making or cooperative social skills in order to procure their food. However, many enrichment programs for captive animals do not include the integration of these types of cognitive challenges. Thus, foraging enrichments typically are designed to facilitate the physical expression of feeding behaviors such as food-searching and food consumption, but not to facilitate complex problem solving behaviors related to food acquisition. Challenging animals by presenting them with problems is almost certainly a source of frustration and stress. However, we suggest here that this is an important, and even necessary, feature of an enrichment program, as long as animals also possess the skills and resources to effectively solve the problems with which they are presented. We discuss this with reference to theories about the emotional consequences of coping with challenge, the association between lack of challenge and the development of abnormal behavior, and the benefits of stress (arousal) in facilitating learning and memory of relevant skills. Much remains to be done to provide empirical support for these theories. However, they do point the way to a practical approach to improving animal welfare--to design enrichments to facilitate the cognitive mechanisms which underlie the performance of complex behaviors that cannot be performed due to the restrictions inherent to the captive environment.  
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  Call Number Equine Behaviour @ team @ Serial 2890  
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Author Hopkins, W.D.; Taglialatela, J.P.; Leavens, D.A. url  openurl
  Title Chimpanzees differentially produce novel vocalizations to capture the attention of a human Type Journal Article
  Year 2007 Publication Animal Behaviour. Abbreviated Journal Anim. Behav.  
  Volume 73 Issue 2 Pages 281-286  
  Keywords acoustic signals; chimpanzee; cognition; Pan troglodytes; vocal communication  
  Abstract Chimpanzees, Pan troglodytes, produce numerous species-atypical signals when raised in captivity. We examined contextual elements of the use of two of these vocal signals, the `raspberry' and the extended grunt. Our results demonstrate that these vocalizations are not elicited by the presence of food, but instead function as attention-getting signals. These findings reveal a heretofore underappreciated category of animal signals: attention-getting sounds produced in novel environmental circumstances. The invention and use of species-atypical signals, considered in relation to group differences in signalling repertoires in apes in their natural habitats, may index a generative capacity in these hominoid species without obvious corollary in other primate species.  
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  Call Number Equine Behaviour @ team @ Serial 2889  
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Author Koski, S.E.; Koops, K.; Sterck, E.H.M. doi  openurl
  Title Reconciliation, relationship quality, and postconflict anxiety: testing the integrated hypothesis in captive chimpanzees Type Journal Article
  Year 2007 Publication American journal of primatology Abbreviated Journal Am. J. Primatol.  
  Volume 69 Issue 2 Pages 158-172  
  Keywords Animals; *Anxiety; *Behavior, Animal; Conflict (Psychology); Female; Male; Pan troglodytes/*psychology; *Social Behavior  
  Abstract Reconciliation is a conflict resolution mechanism that is common to many gregarious species with individualized societies. Reconciliation repairs the damaged relationship between the opponents and decreases postconflict (PC) anxiety. The “integrated hypothesis” links the quality of the opponents' relationship to PC anxiety, since it proposes that conflicts among partners with high relationship quality will yield high levels of PC anxiety, which in turn will lead to an increased likelihood of reconciliation. We tested the integrated hypothesis in captive chimpanzees (Pan troglodytes) in the Arnhem Zoo, The Netherlands. We applied the standard PC/matched control (MC) method. Our results mostly support the integrated hypothesis, in that more valuable and compatible partners (i.e., males and frequent groomers) reconciled more often than less valuable and weakly compatible partners (i.e., females and infrequent groomers). In addition, PC anxiety was higher after conflicts among males than among females. Emotional arousal thus appears to be a mediator facilitating reconciliation. However, in contrast to the predictions derived from the integrated hypothesis, PC anxiety appeared only in aggressees, and not in aggressors, of conflicts. This suggests that while relationship quality determines PC anxiety, it is dependent on the role of the participants in the conflict.  
  Address Department of Behavioural Biology, Utrecht University, The Netherlands. s.e.koski@bio.uu.nl  
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  ISSN 0275-2565 ISBN Medium  
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  Notes PMID:17146788 Approved no  
  Call Number refbase @ user @ Serial 2872  
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