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. Author manuscript; available in PMC: 2013 Dec 1.
Published in final edited form as: Prostaglandins Leukot Essent Fatty Acids. 2012 Oct 23;87(6):177–184. doi: 10.1016/j.plefa.2012.09.003

Fig. 6.

Fig. 6

COX-2 mRNA expression in ovaries of hens aged 1 (n=20), 1.5 (n=20) and 2 (n=20) year was similar followed by a significant increase in normal ovaries of hens aged 2.5 (n=18) and 3 (n=7) year. Normal ovaries of 3.5 year old hens (n=10) had less COX-2 mRNA expression than 2.5 year old normal hens. a versus b and b versus c, P<0.01; c versus d. P<0.05; Bars indicate standard error.