Aggressiveness and locomotion activity related to hatching time in Matrinxã, Brycon amazonicus (Spix and Agassiz, 1829)
Contributor(s):: de Souza, Ellen Cristina M., da Silva, Jaquelinne P., Villacorta-Correa, Marle Angélica, Carvalho, Thaís B.
Since agonistic interaction has been a major obstacle for fish hatchery and represents great economic losses for fish farmers, aggressiveness during the different post-hatching stages of the matrinxã, Brycon amazonicus, is analyzed and compared. Each group of three larvae was observed at six...
High rates of aggression do not predict rates of trauma in captive groups of macaques
Contributor(s):: Beisner, Brianne A., Wooddell, Lauren J., Hannibal, Darcy L., Nathman, Amy, McCowan, Brenda
Socially inflicted traumas are a major concern for the management of captive groups of rhesus macaques. Rhesus macaques are the most commonly used nonhuman primate in biomedical research, and social housing is optimal for promoting psychological well-being. However, trauma is frequent due to a...
Effects of size distribution on social interactions and growth of juvenile black rockfish (Sebastes schlegelii)
Contributor(s):: Guo, Haoyu, Zhang, Xiumei, Johnsson, Jörgen I.
Growth heterogeneity in rearing groups may complicate feeding operations and inducing cannibalism in cultured fish. To reduce these problems size grading has become a common rearing practice. To better understand the relationship between size grading and growth variation in cultured juvenile...
Effect of environmental enrichment and composition of the social group on the behavior, welfare, and relative brain weight of growing rabbits
Contributor(s):: Bozicovich, Thais F. M., Moura, Ana Silvia A. M. T., Fernandes, Simone, Oliveira, Aline A., Siqueira, Edson R. Siqueira
The objective of the study was to investigate if environmental enrichment and the composition of the social group would affect the behavior and relative brain weight of growing rabbits. Rabbits (72 males and 72 females) were assigned to cages with or without enrichment and one of three social...
Identifying blood-based biomarkers associated with aggression in weaned pigs after mixing
Contributor(s):: Shen, Chunyan, Tong, Xian, Chen, Ruonan, Gao, Siyuan, Liu, Xinpeng, Schinckel, Allan P., Li, Yuan, Xu, Feilong, Zhou, Bo
Animal behavior, including agonistic behavior, is regulated by various neurotransmitters and hormones in the blood. To Identify blood-based biomarkers associated with aggression in weaned pigs after mixing, a total of 500 weaned pigs from 65 litters were selected and mixed into 51 pens with...
Canine Aggression: Understanding Owner Beliefs about the Biological Locus of Origin for Rehabilitation of Aggressive Behavior
| Contributor(s):: Destiny DeHart
The topic of canine aggression– threatening or hostile behavior involving actual and or potential harm to another – invokes many emotional responses due to the often violent connotations regarding aggressive canines. Research focusing on various methods of rehabilitation has...
Dogs recognize dog and human emotions
| Contributor(s):: Albuquerque, N., Guo, Kun, Wilkinson, A., Savalli, C., Otta, E., Mills, D.
The perception of emotional expressions allows animals to evaluate the social intentions and motivations of each other. This usually takes place within species; however, in the case of domestic dogs, it might be advantageous to recognize the emotions of humans as well as other dogs. In this...
Fatores relacionados a distúrbios de comportamento em gatos
| Contributor(s):: Juliane Elisabeth Gress Paz
Os distúrbios de comportamento apresentam importância não só no bem estar animal e na qualidade da relação humana-animal como também na questão da saúde publica. Sabe-se que os problemas de comportamento são uma das principais...
Bites dog people: general characteristics
| Contributor(s):: Marat T. Makenov, Olga A. Mihaylova
The analysis of appeals for medical help concerned with dog bites made by dwellers of the Omsk City in 2006-2010 has been performed, using the materials of the "Omsk Regional Center for Hygiene and Epidemiology". In total, 11 849 cases of human biting by dogs were registered in this...
Relationship Between Scarring and Dog Aggression in Pit Bull-Type Dogs Involved in Organized Dogfighting
| Contributor(s):: Katherine A. Miller, Rachel Touroo, C. Victor Spain, Kelly Jones, Pamela Reid, Randall Lockwood
When pit bull-type dogs are seized in an investigation of organized dogfighting, heavily scarred dogs are often assumed to be highly dog aggressive due to a history of fighting. These dogs may be deemed dangerous and euthanized based on scarring alone. We analyzed our existing data on dogs seized...
Orca Behavior and Subsequent Aggression Associated with Oceanarium Confinement
| Contributor(s):: Robert Anderson, Robyn Waayers, Andrew Knight
Based on neuroanatomical indices such as brain size and encephalization quotient, orcas are among the most intelligent animals on Earth. They display a range of complex behaviors indicative of social intelligence, but these are difficult to study in the open ocean where protective laws may...
Reproductive endocrinology and musth indicators in a captive Asian elephant (Elephas maximus)
| Contributor(s):: Duer, Connie, Tomasi, Tom, Abramson, Charles I.
The effects of animal assisted therapy on tantrums and aggressive behaviors of children with autism
| Contributor(s):: Jesionowicz, Rebecca L.
This study investigated the influence of Animal Assisted Therapy on three elementary school boys' with Autism Spectrum Disorder emotional regulation. The children participated in 12 Animal Assisted Therapy sessions using the Mutt-i-grees Curriculum with a therapy dog over the course of 6-8 weeks....
Factors governing risk of cougar attacks on humans
| Contributor(s):: Mattson, D., Logan, K., Sweanor, L.
Dos and don'ts of canine interaction: importance of responsible ownership
| Contributor(s):: Green, E.
Childhood cruelty toward animals among criminals and noncriminals
| Contributor(s):: Kellert, Stephen R, Felthous, Alan R
The slaughterhouse, social disorganization, and violent crime in rural communities
| Contributor(s):: Jacques, J. R.
Scholars in nonhuman animal studies and criminology have argued that more attention should be paid to the violence sanctioned by society, that of animal slaughter for industrial food production. Slaughterhouses and the communities surrounding these facilities present ideal sites for investigating...
Behaviour of pre-pubertal gilts and its relationship to farrowing behaviour in conventional farrowing crates and loose-housed pens
| Contributor(s):: Ison, S. H., Wood, C. M., Baxter, E. M.
Individual variation in the reproductive performance of sows has the potential for greater negative impacts in loose-farrowing systems. Therefore, the ability to select gilts that will perform well would be a major advantage. This study investigated the behaviour of gilts during pre-pubertal...
Measurement of prosocial and antisocial behavior among youth equestrian competitors
| Contributor(s):: Waite, Karen L.
"Before, he fought every day with the horse and with me": reducing violence in a Guatemalan community through a horse-handling program
| Contributor(s):: Gibbons, J. L., Cunningham, C. A., Paiz, L., Poelker, K. E., Cardenas, M. A. M.
Community and family violence are endemic in Guatemala. We evaluated the effectiveness of a horse-handling program to reduce violent attitudes and aggressive behavior. Eighteen community members who worked with horses in their daily lives (16 men, 2 women, ages 15 to 58) participated in four...