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Author Quaranta, A.; Siniscalchi, M.; Frate, A.; Vallortigara, G. url  doi
openurl 
  Title Paw preference in dogs: relations between lateralised behaviour and immunity Type Journal Article
  Year 2004 Publication Behavioural Brain Research Abbreviated Journal  
  Volume 153 Issue 2 Pages 521-525  
  Keywords (up) Paw preference; Lateralisation; Immunity; Dog  
  Abstract Paw use in a task consisting of the removal of a piece of adhesive paper from the snout was investigated in 80 mongrel and pure-bred domestic dogs (Canis familiaris). Population lateralisation was observed, but in opposite directions in the two sexes (animals were not desexed): males preferentially used their left paw, females their right paw. The relationship between immune function and paw preference was then investigated. Some immune parameters (total number of white blood cells including lymphocytes, granulocytes and monocytes; leukocyte formula; total proteins; γ-globulins) were investigated in a sample of left-pawed (n=6), right-pawed (n=6) and ambidextrous (n=6) dogs. The results showed that the percentage of lymphocytes was higher in left-pawed than in right-pawed and ambidextrous dogs, whereas granulocytes percentage was lower in left-pawed than in right-pawed and ambidextrous dogs. Moreover, total number of lymphocytes cells was higher in left-pawed than in right-pawed and ambidextrous dogs, whereas the number of γ-globulins was lower in left-pawed than in right-pawed and ambidextrous dogs. These findings represent the first evidence that brain asymmetry modulates immune responses in dogs.  
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  ISSN 0166-4328 ISBN Medium  
  Area Expedition Conference  
  Notes Approved no  
  Call Number Equine Behaviour @ team @ Serial 5783  
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Author Siniscalchi, M.; Sasso, R.; Pepe, A.M.; Dimatteo, S.; Vallortigara, G.; Quaranta, A. url  doi
openurl 
  Title Catecholamine plasma levels following immune stimulation with rabies vaccine in dogs selected for their paw preferences Type Journal Article
  Year 2010 Publication Neuroscience Letters Abbreviated Journal  
  Volume 476 Issue 3 Pages 142-145  
  Keywords (up) Physiology; Behavior; Lateralization; Catecholamines; Paw preference; Neuro-immune-modulation  
  Abstract Epinephrine and norepinephrine plasma levels were assessed in dogs in relation to paw preference following an immune challenge with rabies vaccine. The results showed that both catecholamines increased after the vaccine administration, confirming the main role of the sympathetic nervous system in the modulation activity between the brain and the immune system. Moreover, ambidextrous dogs showed a significantly higher increase of epinephrine levels 8 days after immunization with respect to right- and left-pawed dogs, suggesting that the biological activity of this molecule could be key for a different immune response with regard to laterality.  
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  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 0304-3940 ISBN Medium  
  Area Expedition Conference  
  Notes Approved no  
  Call Number Equine Behaviour @ team @ Serial 5788  
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