title: Serum cathepsin level of chickens: repeatability and influence of age.
mesh_terms: D000367:Age Factors; D000818:Animals; D002403:Cathepsins / Q000097:blood*; D002645:Chickens / Q000201:enzymology*; D005260:Female; D008297:Male; D012737:Sex Factors
chemical_list: D002403:Cathepsins