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Tags: Selection

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  1. Preventing skeletal and neurological problems in guide dogs for the blind and other working dogs

    Contributor(s):: Evans, K. M., Lewis, T. W.

  2. How Wolves Turned into Dogs and How Dogs Are Valuable in Meeting Human Social Needs

    Contributor(s):: Kurt Kotrschal

    A wealth of recent behavioral, neurobiological, and genetic results allows us to draw a new, comprehensive picture of the human-wolf-dog relationship. Dogs originated from wolves 35,000 years ago, mainly via selection for tameness. Wolves were probably spiritual partners and hunting buddies of...

  3. Using Scent Detection Dogs in Conservation Settings: A Review of Scientific Literature Regarding Their Selection

    Contributor(s):: Sarah C. Beebe, Tiffani J. Howell, Pauleen C. Bennett

    Dogs are widely used for scent detection work, assisting in searches for, among other things, missing persons, explosives, and even cancers. They are also increasingly used in conservation settings, being deployed for a range of diverse purposes. Although scent detecting dogs have been used in...

  4. Genetic study of stress assessed with infrared thermography during dressage competitions in the Pura Raza Espanol horse

    Contributor(s):: Sanchez, M. J., Bartolome, E., Valera, M.

    Despite the fact that physiological parameters in dressage are important because of their close connection to human-horse accidents, performance and welfare, these parameters are only rarely included in horse breeding programs. In Spain, the Pura Raza Espanol horse (PRE) Breeding Program focuses...

  5. Validation of a selection protocol of dogs involved in animal-assisted intervention

    Contributor(s):: Mongillo, Paolo, Pitteri, Elisa, Adamelli, Serena, Bonichini, Sabrina, Farina, Luca, Marinelli, Lieta

  6. Consistency in European seabass coping styles: a life-history approach

    Contributor(s):: Ferrari, S., Millot, S., Leguay, D., Chatain, B., Begout, M. L.

    Recent years have seen a growth of interest in the consistent differences in individual behaviour over time and contexts constituting the so-called "individual coping styles". An understanding of this inter-individual variation is essential to improve our knowledge of the adaptive value of...

  7. Behaviour and experiences of dogs during the first year of life predict the outcome in a later temperament test

    Contributor(s):: Foyer, P., Bjallerhag, N., Wilsson, E., Jensen, P.

    Early life experiences are known to shape the behavioural development of animals, and therefore events occurring during preadolescence and adolescence may have long-term effects. In dogs, this period of time may be important for later behaviour and thereby also the suitability of dogs for...

  8. Purebred dogs and canine wellbeing

    Contributor(s):: Jeppsson, S.

    Breeders of purebred dogs usually have several goals they want to accomplish, of which canine wellbeing is one. The purpose of this article is to investigate what we ought to do given this goal. Breeders typically think that they fulfil their wellbeing-related duties by doing the best they can...

  9. Selection for temperament in sheep: domain-general and context-specific traits

    Contributor(s):: Beausoleil, N. J., Blache, D., Stafford, K. J., Mellor, D. J., Noble, A. D. L.

  10. Matching dogs to owners--10 years of 'Selectadog'

    Contributor(s):: Edney, A. T. B.

  11. Philosophical Ethology: On the Extents of What It Is to Be a Pig

    Contributor(s):: Harfeld, J.

  12. How to consider the value of farm animals in breeding goals. A review of current status and future challenges. (Special Issue: Animal welfare in a broad perspective. Papers from the Nordic Network of Agriculture and Food Ethics.)

    Contributor(s):: Nielsen, H. M., Olesen, I., Navrud, S., Kolstad, K., Amer, P.

    The objective of this paper is to outline challenges associated with the inclusion of welfare issues in breeding goals for farm animals and to review the currently available methodologies and discuss their potential advantages and limitations to address these challenges. The methodology for...

  13. The ethics and politics of animal welfare in New Zealand: broiler chicken production as a case study

    Contributor(s):: Morris, M. C.

    The cause of poor welfare in broilers is multifactorial, but genotype is a major contributor. Modern broilers have been bred for rapid growth, and this leads to increases in lameness and ascites as the legs and hearts of the heavier birds find it difficult to cope with the extra demands placed on...

  14. Animal welfare: should we change housing to better accommodate the animal or change the animal to accommodate the housing?

    Contributor(s):: Cheng, Heng-Wei

    Animal welfare (well-being) can be generally defined as 'a state of harmony between the animal and its environment, characterized by optimal physical, behavioural and psychological functioning and high quality of the animal's life'. Since its inception in the early nineteenth century, through...

  15. Behavioural differences in non-reproductive adult females in a long-term selection experiment for litter size in mice

    Contributor(s):: Rauw, W. M., Luiting, P., Bakken, M., Schuurman, T., Veer, C. J. M. de, Vangen, O.

    To investigate whether coping strategies have been affected as a correlated effect of selection for high litter size, 48 non-reproductive mature C- and S-line females were twice subjected to an open field, seven times to a maze, once to a social confrontation and twice to a runway test. The...

  16. Breeding against harmful social behaviours in pigs and chickens: state of the art and the way forward

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

    Harmful social behaviours are prevalent in commercial farming environments and their reduction through economically feasible husbandry changes is challenging. Selective breeding may offer a complementary approach to reduce the expression of these traits. This article explores the progress made in...

  17. Divergent selection on feather pecking behaviour in laying hens ( Gallus gallus domesticus )

    Contributor(s):: Kjaer, J. B., Sorensen, P., Su, G.

    A selection experiment was initiated in 1996 in which selection for (HP line) and against (LP line) feather pecking was performed. The foundation stock was a White Leghorn layer strain established in 1970 and maintained since then as a random bred control line at the Institute. Six hatches were...

  18. Ease of capture in lines of Japanese quail ( Coturnix japonica ) subjected to contrasting selection for fear or sociability

    Contributor(s):: Mills, A. D., Faure, J. M.

    Japanese quail (Coturnix japonica) of lines, which have been subjected to contrasting selection for duration of the tonic immobility (TI) reaction or social reinstatement (SR) behaviour over many generations show corresponding differences in underlying fearfulness and sociality. As fearfulness...

  19. Effect of male-to-male aggressiveness and feed-restriction during rearing on sexual behaviour and aggressiveness towards females by male domestic fowl

    Contributor(s):: Millman, S. T., Duncan, I. J. H.

    This experiment was one part of a larger study investigating problems of aggression towards females by male broiler breeder fowl. To investigate causal mechanisms, we were interested in determining (1) if feed-restriction during rearing affects behaviour towards females at sexual maturity and (2)...

  20. Genetic analysis of reactivity to humans in Goettingen minipigs

    Contributor(s):: Kohn, F., Sharifi, A. R., Simianer, H.

    Goettingen minipigs are laboratory animals with an increasing demand over the last few years. At the moment, Goettingen minipigs are not selected for a low reactivity to humans and this trait is not included in the breeding programme. However, it is obvious that there is a need for genetically...