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Relationships between beak condition, preening behavior and ectoparasite infestation levels in laying hens
Vezzoli, Giuseppe, Mullens, Bradley A., Mench, Joy A.Language:
english
Journal:
Poultry Science
DOI:
10.3382/ps/pev171
Date:
July, 2015
File:
PDF, 1.55 MB
english, 2015