Buscar
Mostrando ítems 51-60 de 4629
Cancer Progression Goes Viral: The Role of Oncoviruses in Aggressiveness of Malignancies
(2018-07-01)
Cancer progression is the most relevant phase of carcinogenesis due to the development of malignant tumors in the host. Some viruses participate in malignant cell transformation, with recent compelling evidence suggesting ...
Dominance and Leadership in the Equine Social Structure: A Preliminary Study About Mules and Sex Influence
(2021-04-01)
Little is known about the dominance and leadership behaviors in the social structure of mules (Equus caballus × Equus asinus). Based on the frequency of threat and aggressive behaviors, we compared the social structure, ...
Environmental enrichment techniques and tryptophan supplementation used to improve the quality of life and animal welfare of Nile tilapia
(2020-07-01)
The adoption of high standards of animal welfare improves the quality of life for animals being reared and produces improved end products for consumers. In this study, we investigate the role of environmental enrichment ...
The aggressive behavior of Nile tilapia introduced into novel environments with variation in enrichment
(Elsevier Gmbh, Urban & Fischer Verlag, 2011-02-01)
Many studies show environmental enrichment is correlated with benefits to captive animals; however, one should not always assume this positive relationship given that enrichment increases the amount of resources that a ...
The aggressive behavior of Nile tilapia introduced into novel environments with variation in enrichment
(Elsevier Gmbh, Urban & Fischer Verlag, 2011-02-01)
Many studies show environmental enrichment is correlated with benefits to captive animals; however, one should not always assume this positive relationship given that enrichment increases the amount of resources that a ...
Can estrogens be considered as key elements of the challenge hypothesis?The case of intrasexual aggression in a cichlid fish
(Pergamon-Elsevier Science Ltd, 2018-10)
Territorial aggression has been widely studied in males and it has been historically suggested that androgens are key mediators of this behavior. However, more recent evidence suggests that it is the aromatization to ...
Unexpected results when assessing underlying aggressiveness in Japanese quail using photocastrated stimulus birds
(Poultry Science Assoc Inc, 2017-12-01)
Aggressive behaviors can affect both animal welfare and productivity. Because the expression of aggressive behaviors is dependent on the quality of the opponent, they reflect relative rather than absolute levels of underlying ...
Evidence of the Effect of Winning or Losing in Levels of Anger and Anxiety in Judo Fighters
Aggression is a behavior that involves a simultaneous activation of physiological, biochemical, neurological and behavioral components and emotions, such as anxiety and anger. In humans, sports can be considered as a form ...