dan Madi Hartono DPESS. PENGARUH PEMBERIAN IMUNOMODULATOR Echinacea purpurea (radix) TERHADAP TITER ANTIBODI AVIAN INFLUENZA (AI) DAN NEWCASTLE DISEASE (ND) PADA BROILER BETINA. JRIP [Internet]. 1Dec.2019 [cited 17Nov.2025];3(3):1-. Available from: http://jrip.fp.unila.ac.id/index.php/JRIP/article/view/6