good day doc;
doc pwidi rin bah makahungi nang paano gawing ang biogas or plan and expenses and also material to to set up, kc i plan to put up piggery, even it located in mountain i only  prepared encase if there are some body to build their near in my piggery.
thanx send to my email doc,
 

subrang malaking gastos sa feeds kung ganung kc sa aking  7 baboy isang sako sa isang linggo ang feeds means 4 sako a month..in 4 for months 16 to 20 sako nah feeds ang budget ko doon.

ask to veterinarian nah malapit sa inyo dhil sila ang nakakaalam