oleh 1, SUHARJA; SMA Negeri 1 Klaten. Jl. Merbabu 13, Gayamprit, Klaten Selatan, Klaten 57423, Central Java, Indonesia. Tel./Fax.: +62-272-321150 , 1, SUTARNO; Bioscience Program, School of Graduates, Sebelas Maret University, Surakarta 57126, Central Java, Indonesia

oleh SANTOSO, URIP; VEDCA/PPPPTK Pertanian Cianjur. Jl. Jangari Km. 14 Sukajadi – Karangtengah, Cianjur 43202, West Java, Indonesia. PO Box 138. Tel. :+92-263- 285003, Fax.: +92-263-285026 , *, SUTARNO; Bioscience Program, School of Graduates, Sebelas Maret University, Surakarta 57126, Central Java, Indonesia

oleh KUNTJORO, AGUS; Office of Animal Husbandry and Fisheries of Wonosobo District, Jl. Mayjend Bambang Sugeng Km. 1 Wonosobo 56319, Central Java, Indonesia; Tel./Fax.: +92-286-321470 , 1, SUTARNO; Bioscience Program, School of Graduates, Sebelas Maret University, Surakarta 57126, Central Java, Indonesia , PARAMA ASTIRIN, OKID; Bioscience Program, School of Graduates, Sebelas Maret University, Surakarta 57126, Central Java, Indonesia