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  1. Social hierarchy formation in piglets mixed in different group compositions after weaning

    Contributor(s):: Fels, Michaela, Hartung, Jörg, Hoy, Steffen

    The aim of this study was to investigate whether mixing of piglets in different group compositions after weaning can affect the social hierarchy formation. The linearity of the social hierarchy and the type of dyadic relationships between all possible pairs of individuals within a group were...

  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. Hierarchy formation in newly mixed, group housed sows and management strategies aimed at reducing its impact

    Contributor(s):: Greenwood, Emma C., Plush, Kate J., van Wettere, William H. E. J., Hughes, Paul E.

    Aggression is at its highest when sows are first introduced to new animals and hierarchies are being established. Thus, methods to reduce aggression should focus on this period. The aggression that occurs during mixing results in physiological stress responses, which can have detrimental effects...

  4. Behavioural patterns established during suckling reappear when piglets are forced to form a new dominance hierarchy

    Contributor(s):: Skok, Janko, Prevolnik, Maja, Urek, Tina, Mesarec, Nikolina, Škorjanc, Dejan

    Early life experiences considerably influence the behavioural development of the animals in which the social environment plays a crucial role. Neonatal piglets experience intense social (including aggressive) interactions when compete with their littermates for the access to teats on the sow's...

  5. Stability of social hierarchy in growing female pigs and pregnant sows

    Contributor(s):: Parent, Jean-Philippe, Meunier-Salaün, Marie-Christine, Vasseur, Elsa, Bergeron, Renée

    Conflicting results between dominance tests and repetitions of these tests over time in pigs may result from a lack of stability of their social hierarchy. The objectives of this study were to compare five methods to measure social hierarchy and to examine the stability of test results over time...

  6. Investigations on feed intake and social behaviour of fattening pigs fed at an electronic feeding station

    Contributor(s):: Hoy, Steffen, Schamun, Sonja, Weirich, Carmen

    For the study from a total of 679 female pigs kept in a progeny test station in 64 groups mostly with 12 pigs each, the data from all visits at an electronic feeding station (EFS) were analysed. In 93 pigs (8 groups) all agonistic interactions at the EFS were recorded in continuous observations...

  7. Influence of origin litter on social rank, agonistic behaviour and growth performance of piglets after weaning

    Contributor(s):: Fels, Michaela, Hoy, Steffen, Hartung, Jörg

    In pig production, mixing of piglets after weaning is a common management practice often leading to severe fighting aimed at establishing a social hierarchy. The intention of our study was to investigate whether social rank of piglets obtained by fighting within 3 days after weaning and mixing...

  8. Effects of social dominance, water trough location and shade availability on drinking behaviour of cows on pasture

    Contributor(s):: Coimbra, Paula Araujo Dias, Machado Filho, Luiz Carlos Pinheiro, Hötzel, Maria José

    The effects of water trough location and presence of shade on the behaviour of cows on pasture were investigated. The impact of social hierarchy on cows’ use of shade and the water trough was also investigated. Thirty two non-pregnant dry cows were randomly divided in four groups in a 4×4 Latin...

  9. The effect of stallions on social interactions in domestic and semi feral harems

    Contributor(s):: Granquist, Sandra M., Thorhallsdottir, Anna Gudrun, Sigurjonsdottir, Hrefna

    Earlier research indicates that stallions may supress interactions of their harem members, leading to less stable hierarchies and friendship bonds in harems compared to non-stallion groups. In this paper, the effect of the presense of a stallion on the social behaviour of mares was studied by...

  10. Dominance and growth of Diplodus sargus (Pisces: Sparidae) in small captive groups

    Contributor(s):: Gonçalves, Ana Ribeiro, de Sousa, Liliana Carvalho, Almada, Vitor Carvalho

    The dominance hierarchies and the growth rate of the commercially important fish Diplodus sargus were assessed in this study. Specifically, we tested the hypothesis that, if stable dominance orders were established, dominant fish would grow faster and show better condition factors than losers at...

  11. Effects of familiarity on individual growth and feeding behaviour of European seabass Dicentrarchus labrax

    Contributor(s):: Batzina, Alkisti, Drossos, Ioannis-Panagiotis, Karakatsouli, Nafsika

    Available literature indicates that fish are able to recognize familiar conspecifics and that familiarity may offer important benefits (e.g. more stable social environment, improved foraging behavior, growth, survival). In the practice of intensive rearing of European seabass Dicentrarchus labrax...

  12. Associations between the dominance status and sexual development, skin lesions or feeding behaviour of intact male pigs

    Contributor(s):: Parois, Severine, Larzul, Catherine, Prunier, Armelle

    In boars, social relationships could influence pubertal development and feeding behaviour. The objectives of the present study were to determine the relationships between behaviour (agonistic, mounting and feeding behaviours), plasma sex steroids (oestradiol, testosterone) and fat androstenone. A...

  13. Dominance relationships between collared peccaries Pecari tajacu (Cetartiodactyla: Tayassuidae) in intensive breeding system

    Contributor(s):: da Silva, Suleima do Socorro Bastos, Guimarães, Diva Anelie, Biondo, Cibele, Ohashi, Otávio Mitio, de Albuquerque, Natália Inagaki, Vecchia, Ana Carolina Dalla, Miyaki, Cristina Yumi, Le Pendu, Yvonnick

    The collared peccary (Pecari tajacu) is a species with great potential for breeding in captivity since it adapts well to a variety of foods, has a high breeding capacity and there is an existing market for its meat and leather, which is of excellent quality. However, it is necessary to understand...

  14. Important role of dominance in allogrooming behaviour in beef cattle

    Contributor(s):: Šárová, Radka, Gutmann, Anke Kristina, Špinka, Marek, Stěhulová, Ilona, Winckler, Christoph

    In domestic cattle, the relationship between dominance and allogrooming behaviour has been investigated in several studies. However, the results do not show a consistent pattern. The aim of this study was to investigate this relationship in a stable female beef cattle herd using social network...

  15. The objectification of animals

    Contributor(s):: Felix Mariano Vallejos

    Motivated by the obvious naturalization of the mistreatment of nonhuman species, it manifests in everyday areas such as food, clothing, sport and entertainment, the present work aims to address the relationship between man and animals, starting with the following question: Why do we objectify...

  16. Humanimal

    Contributor(s):: April Vandegrift

    This thesis is part of a project that includes a physical body of work in which I investigate ideas about cultural narratives and hierarchies of power. I discuss how animal imagery in the stories that we tell at multiple levels in our culture has been used to communicate societal norms and rules....

  17. Ritual gendered relationships: kinship, marriage, mastery, and machi modes of personhood

    Contributor(s):: Bacigalupo, Ana Mariella

  18. "Blood will tell": producing people and horses in Newmarket, England

    Contributor(s):: Cassidy, Rebecca

  19. The meaning of nominal animal categories among the Caribs of the Guianas

    Contributor(s):: Jara, Fabiola

  20. Animals and Attachment Theory

    Contributor(s):: Rockett, B., Carr, S.