The study was conducted to determine the coliform content of shellfish Anadara antiquata from three selected areas of Davao Gulf. One shot sampling was employed in the study and it was conducted within the month of February, 2010. Test for coliform and fecal coliform was done using the multiple-tube fermentation technique through the presumptive, confirmed and fecal coliform test. Total Colony ...

The aim of this research is to evaluate the effect Anadara granosa shell powder as a natural aromatase blocker (NAB) and zinc sulfate (ZnSO4) on growth length comb, width body weight (BW) layer chicken. This study used 45 DOC layer’s chickens with 3 treatments 15 replications, those are; control (T0), clamshell NAB 0.036 mg/40 g BW (T1), ZnSO 4 0.018 mg / 40 (T2). treatment was given for 35 day...

Hydroxyapatite (Ca10(PO4)6(OH)2, HAp) is a calcium phosphate-based biomaterial that widely used in bone implants due to its similarity composition with the constituent elements of bone. However, HAp still has poor mechanical properties, so research was carried out improve properties such as reduced brittleness, less fracture resistance, and denser structure by synthesizing composites PEG. This ...

Bahan bakar alternatif untuk mesin diesel yaitu biodiesel yang merupakan sumber daya terbarukan (renewable). Salah satu bahan alami dapat digunakan sebagai material dalam pembuatan adalah minyak jarak kepyar (ricinus communis) dan jelantah. aspek penting katalis. Selain katalis basa homogen seperti NaOH KOH, baru-baru ini telah dikembangkan penggunaan heterogen yakni kalsium oksida (CaO) bersum...