scholarly journals Effects of auditory and physical enrichment on 3 measurements of fear and stress (tonic immobility duration, heterophil to lymphocyte ratio, and fluctuating asymmetry) in several breeds of layer chicks

2011 ◽  
Vol 90 (11) ◽  
pp. 2459-2466 ◽  
Author(s):  
S.G. Dávila ◽  
J.L. Campo ◽  
M.G. Gil ◽  
M.T. Prieto ◽  
O. Torres
Keyword(s):  
Fluctuating Asymmetry ◽  
Tonic Immobility ◽  
Immobility Duration ◽  
Lymphocyte Ratio

Effect of regrouping on heterophil to lymphocyte ratio, tonic immobility duration, and fluctuating asymmetry in layer stocks

2013 ◽  
Author(s):  
María Teresa Prieto ◽  
J.L. Campo ◽  
Sara García Dávila ◽  
María García Gil ◽  
Olga Torres
Keyword(s):  
Fluctuating Asymmetry ◽  
Tonic Immobility ◽  
Immobility Duration ◽  
Lymphocyte Ratio
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