Browsing by Subject "vertical Cage"
Now showing items 1-1 of 1
(Lembaga Penelitian dan Pengabdian Masyarakat Universitas HKBP Nommensen Medan, 2018-01-01)This research was conducted in PorlakNommensen, in March 2016. The purpose of this study was to determine the relationship between the behavior of perch with pecking behavior and the behavior of chasing food. The materials ...