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  1. Prenatal stress and ketamine affect the behavioral and physiological responsiveness of early adolescent pigs to a novel arena and social confrontation test

    Contributor(s):: Backus, Brittany L., Bryer, Pamela J., Sutherland, Mhairi A.

    Elevated maternal glucocorticoid concentrations during gestation can affect how the offspring respond, both behaviorally and physiologically, to a challenge later in life. The objectives of this study were to first, determine if elevated maternal glucocorticoid concentrations during late...

  2. The pig's nose and its role in dominance relationships and harmful behaviour

    Contributor(s):: Camerlink, I., Turner, S. P.

    Affiliative behaviour may have an essential role in many behavioural processes. Gently nosing between group members occurs in almost all social behavioural processes of pigs (Sus scrofa), but the reasons for its performance are unclear. We examined whether nosing between pigs was related to...

  3. Does the presence of a human affect the preference of enrichment items in young, isolated pigs?

    Contributor(s):: DeBoer, Shelly P., Garner, Joseph P., Lay, Donald C., Eicher, Susan D., Lucas, Jeffrey R., Marchant-Forde, Jeremy N.

    Pigs may be housed individually in both production and research settings. Gregarious by nature, pigs kept in isolation may show behavioural and physiological signs of stress. In this study we investigated the preference of individually housed pigs, for social and non-social enrichments. Three...

  4. Chewable materials before weaning reduce tail biting in growing pigs

    Contributor(s):: Telkänranta, Helena, Swan, Kirsi, Hirvonen, Heikki, Valros, Anna

    Tail biting in pigs is a multi-factorial problem, and the early rearing environment has been proposed as a potential previously unidentified factor. The aim of this study was to test whether access to chewable material from birth to weaning reduces later tail biting. Undocked litters of 59 sows...

  5. Relationship between growth rate and oral manipulation, social nosing, and aggression in finishing pigs

    Contributor(s):: Camerlink, Irene, Bijma, Piter, Kemp, Bas, Bolhuis, J. Elizabeth

    Pigs may affect each other's health, welfare and productivity through their behaviour. The effect of a pig on the growth rate of its pen mates is partly heritable and is referred to as its social genetic effect. Social genetic effects, also known as indirect genetic effects, have been found in a...

  6. Effect of genetic homogeneity on behavioural variability in an object recognition test in cloned Göttingen minipigs

    Contributor(s):: Søndergaard, Lene Vammen, Herskin, Mette S., Ladewig, Jan, Holm, Ida Elisabeth, Dagnæs-Hansen, Frederik

    The number of animals used in research should be limited as much as possible. Among cloned animals, genetic variation is minimal and to the extent that behaviour is genetically determined inter-individual variability is expected to be higher among naturally bred animals. However, the cloning...

  7. The effect of domestication and ontogeny in swine cognition (Sus scrofa scrofa and S. s. domestica)

    Contributor(s):: Albiach-Serrano, Anna, Bräuer, Juliane, Cacchione, Trix, Zickert, Nele, Amici, Federica

    Domesticated animals show physical, behavioural and cognitive differences from their closest wild relatives. This may have resulted from the former's long and continued selection by humans throughout history, but in some cases it could just reflect developmental differences between wild and...

  8. Surveillance for respiratory and diarrheal pathogens at the human-pig interface in Sarawak, Malaysia

    Full-text: Available

    | Contributor(s):: Laura K. Borkenhagen, Kerry A. Mallinson, Rick W. Tsao, Siaw-Jing Ha, Wei-Honn Lim, Teck-Hock Toh, Benjamin D. Anderson, Jane K. Fieldhouse, Sarah E. Philo, Kuek-Sen Chong, William G. Lindsley, Alejandro Ramirez, James F. Lowe, Kristen K. Coleman, Gregory C. Gray

    Background The large livestock operations and dense human population of Southeast Asia are considered a hot-spot for emerging viruses. Objectives To determine if the pathogens adenovirus (ADV), coronavirus (CoV), encephalomyocarditis virus (EMCV), enterovirus (EV), influenza A-D (IAV, IBV, ICV,...

  9. The Way Humans Behave Modulates the Emotional State of Piglets

    Full-text: Available

    | Contributor(s):: Sophie Brajon, Jean-Paul Laforest, Océane Schmitt, Nicholas Devillers

    The emotional state can influence decision-making under ambiguity. Cognitive bias tests (CBT) proved to be a promising indicator of the affective valence of animals in a context of farm animal welfare. Although it is well-known that humans can influence the intensity of fear and reactions of...

  10. Animal influence on water, sanitation and hygiene measures for zoonosis control at the household level: A systematic literature review

    Full-text: Available

    | Contributor(s):: Francisco Matilla, Yael Velleman, Wendy Harrison, Mandy Nevel

    Introduction Neglected zoonotic diseases (NZDs) have a significant impact on the livelihoods of the world’s poorest populations, which often lack access to basic services. Water, sanitation and hygiene (WASH) programmes are included among the key strategies for achieving the World Health...

  11. Independent Study 490A: Positive Reinforcement Training Piglets to Stand in a Container and Follow a Human

    Full-text: Available

    | Contributor(s):: Adrianne R. Kaiser, Anna K. Johnson, Jason W. Ross, Joshua T. Selsby, Kenneth J. Stalder

    The Department of Animal Science within the biomedical research area is using the pig as a model for Duchenne and Becker muscular dystrophy. Duchenne muscular dystrophy is the leading, fatal, X-linked disease, affecting 1:3,500 male births worldwide. Two tests require the pigs afflicted with...

  12. Welfare Problems in Cattle, Pigs, and Sheep that Persist Even Though Scientific Research Clearly Shows How to Prevent Them

    Full-text: Available

    | Contributor(s):: Temple Grandin

    Great strides have been made to improve animal welfare. Unfortunately, there are certain problems that continue to persist. The causes of these problems range from a lack of financial accountability for losses, failure to measure them, or repeating old mistakes. Some examples of persistent...

  13. The Theoretical Application and Comparison of the Olfactory Sensory Organs in Swine vs Canines for Accelerant and Explosives Detection

    | Contributor(s):: Naomi M. Sigler

    Swine may be able to work alongside scent detection canines, or replace them completely, in the scent detection field. Miniature pigs are the focus of this study since their larger counterparts can cause damage to potential evidence and to the scene itself. Ignitable Liquid Residues (ILRs) are...

  14. Texas 4-H Swine Project Guide

    | Contributor(s):: Jodi Sterle

    This guide for 4-H members explains how to select a good animal, build proper facilities, manage an animal's feeding and nutritional requirements, and take care of health concerns. There is also information on training and showing a pig.

  15. A Comparison of Three Animal Welfare Assessment Programs on Canadian Swine Farms

    | Contributor(s):: Ashley Nicole Roberts

    Standard measures used in animal welfare assessments include animal-based measures obtained by observing animals, resource-based measures obtained by observing facilities, and management-based measures obtained by interviewing farmers and checking records. Animal welfare assessments are composed...

  16. Gene-edited 'micropigs' to be sold as pets at Chinese institute

    | Contributor(s):: Cyranoski, D.

  17. Configuring the authentic value of real food : farm-to-fork, snout-to-tail, and local food movements

    | Contributor(s):: Weiss, Brad

  18. Stakeholder attitudes toward farm animal welfare

    | Contributor(s):: Heleski, C. R., Mertig, A. G., Zanella, A. J.

    We developed a survey to measure attitudes toward farm animal welfare, then targeted two US groups considered highly influential in this area: veterinary college faculty members with large animal/food animal emphasis (VCF) and animal science faculty members (ANS). The survey was conducted via...

  19. Evidence of multiple virulence subtypes in nosocomial and community-associated MRSA genotypes in companion animals from the upper midwestern and northeastern United States

    | Contributor(s):: Lin, Y., Barker, E., Kislow, J., Kaldhone, P., Stemper, M. E., Pantrangi, M., Moore, F. M., Hall, M., Fritsche, T. R., Novicki, T., Foley, S. L., Shukla, S. K.

  20. Phylogenetic analysis of 626 hepatitis E virus (HEV) isolates from humans and animals in China (1986-2011) showing genotype diversity and zoonotic transmission

    | Contributor(s):: Liu, P., Li, L., Wang, L., Bu, Q., Fu, H., Han, J., Zhu, Y., Lu, F., Zhuang, H.