The Dog: A Domestic Wolf to Communicate with Man: The Aggressiveness of the Dog
Contributor(s):: Jean-Mane Giffroy
On the basis of research in archeozoology and molecular genetics, it is established that the wolf is the main ancestor of the dog and that domestication would have occurred some 14,000 or 15,000 years ago, 5,000 years before the domestication of another species. The place or places of the first...
Animals Unmodified: Defining Animals/Defining Human Obligations to Animals
Contributor(s):: Taimie L. Bryant
Modification of aviary design reduces incidence of falls, collisions and keel bone damage in laying hens
Contributor(s):: Stratmann, A., Frohlich, E. K. F., Gebhardt-Henrich, S. G., Harlander-Matauschek, A., Wurbel, H., Toscano, M. J.
Non-cage housing systems for laying hens such as aviaries provide greater freedom to perform species-specific behavior and thus are thought to improve welfare of the birds; however, aviaries are associated with a high prevalence of keel bone damage (fractures and deviations), which is a major...
Behavioral responses of silverback gorillas ( Gorilla gorilla gorilla ) to videos
Contributor(s):: Maloney, M. A., Leighty, K. A., Kuhar, C. W., Bettinger, T. L.
This study examined the impact of video presentations on the behavior of 4 silverback, western lowland gorillas (Gorilla gorilla gorilla). On each of 5 occasions, gorillas viewed 6 types of videos (blue screen, humans, an all-male or mixed-sex group engaged in low activity, and an all-male or...
Is there evidence of learned helplessness in horses? (Special Issue: Equitation science.)
Contributor(s):: Hall, C., Goodwin, D., Heleski, C., Randle, H., Waran, N.
Learned helplessness is a psychological condition whereby individuals learn that they have no control over unpleasant or harmful conditions, that their actions are futile, and that they are helpless. In a series of experiments in which dogs were exposed to inescapable shocks, this lack of control...
Systematic investigation of the stability of food preferences in captive orangutans: implications for positive reinforcement training
Contributor(s):: Clay, A. W., Bloomsmith, M. A., Marr, M. J., Maple, T. L.
Using preference-assessment tests with humans in conjunction with behavioral modification sessions has been a regular component of almost all operant conditioning programs with mentally challenged humans. This has been very effective in improving the efficiency of behavioral training in these...
'Beware, I am big and non-dangerous!' – Playfully growling dogs are perceived larger than their actual size by their canine audience
Contributor(s):: Balint, A., Farago, T., Doka, A., Miklosi, A., Pongracz, P.
Behavioural problems in dogs: handling and aggression
Contributor(s):: Heath, S.
Public attitudes toward the use of animals in research: effects of invasiveness, genetic modification and regulation
Contributor(s):: Ormandy, E. H., Schuppli, C. A., Weary, D. M.
Separation anxiety in dogs: general features and treatmentAnsia da separazione nel cane: aspetti generali etrattamento
Contributor(s):: Talamonti, Z., Civardi, P., Cannas, S., Palestrini, C.
The epidemiology of behavioural problems in dogs and cats: a survey of veterinary practitioners
Contributor(s):: Fatjo, J., Ruiz-de-la-Torre, J. L., Manteca, X.
The effects of training and environmental alterations on adoption success of shelter dogs
Contributor(s):: Luescher, A. U., Medlock, R. T.
Approximately 3-4 million dogs are housed annually in USA shelters. This study evaluated the effects of basic obedience training and environmental alterations on adoption rate of shelter dogs. One hundred and eighty dogs, 87 females and 93 males, passed through the one shelter during the 8 weeks...
Survey of the use and outcome of confrontational and non-confrontational training methods in client-owned dogs showing undesired behaviors
Contributor(s):: Herron, M. E., Shofer, F. S., Reisner, I. R.
Prior to seeking the counsel of a veterinary behaviorist many dog owners have attempted behavior modification techniques suggested by a variety of sources. Recommendations often include aversive training techniques which may provoke fearful or defensively aggressive behavior. The purpose of this...
Epidemiology of domestic cat behavioral and welfare issues: a survey of Brazilian referral animal hospitals in 2009
Contributor(s):: Souza-Dantas, L. M. de, Soares, G. M., D'Almeida, J. M., Paixao, R. L.
Few feline behavioral categories, especially concerning their social behavior, have been studied so far. These include: the domestic cat social structure, relationships among individuals and communication among social groups. However, cats have become popular companion animals in many countries...
Training dogs and training humans: symbolic interaction and dog training
Contributor(s):: Greenebaum, J. B.
The way we train our dogs reflects our perceptions of human-nonhuman animal relationships. The methods and training skills used by dog trainers differ by philosophy on dog behavior and human responsibility. Yet, all trainers agree that training is a critical component in ending the cycle of...
Killing day-old chicks? Public opinion regarding potential alternatives. (Special Issue: Knowing animals.)
Contributor(s):: Leenstra, F., Munnichs, G., Beekman, V., Heuvel-Vromans, E. van den, Aramyan, L., Woelders, H.
Throughout the world, male chicks from layer breeds are killed just after hatching, as they are not profitable as regards the production of meat. The Dutch and European parliaments have insisted on research into possible alternatives to the killing of day-old chicks. In the present study we have...
Modifying the behaviour of singly caged baboons: evaluating the effectiveness of four enrichment techniques
Contributor(s):: Bourgeois, S. R., Brent, L.
Techniques to reduce or prevent behavioural disturbances in singly caged primates vary in form and effectiveness, with some behaviours being exceptionally resistant to treatment. Seven singly caged adolescent male olive hybrid baboons (Papio hamadryas anubis) were selected for behavioural...
The impact of genetic selection for increased milk yield on the welfare of dairy cows
Contributor(s):: Oltenacu, P. A., Broom, D. M.
Milk yield per cow has more than doubled in the previous 40 years and many cows now produce more than 20,000 kg of milk per lactation. The increase in production should be viewed with concern because: (i) the increase in milk yield has been accompanied by declining fertility, increasing leg and...
Validation of an Animal Needs Index for cattle using Test Theory
Contributor(s):: Herva, T., Peltoniemi, O., Virtala, A. M.
The validity of an ANI-based welfare index for cattle, the A-Index, was evaluated using Test Theory methods described for quality of life assessments in human medicine. Content validity was considered during the modification of the Index for Finnish beef production. In total, 43 items evaluating...