Pulsed alternating wavelength system lighting does not negatively impact production or welfare but reduces dopamine activity and may improve bone growth in grow-out Pekin ducks by S. Tonissen, B.J. Emmert, J.M. Schober, E.M. Oluwagbenga, D.M. Karcher, G.S. Fraley

“…Serotonin data were analyzed using 2-way ANOVA for age and lighting treatment with a post-hoc Fisher's LSD test. Bone data were analyzed with independent t-tests between treatments within each age. …”
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