Purpose Improper management of poultry feather (PF) leads to various environmental problems. Biodegradation of PF using Streptomyces sp. was initiated to recover N because PF is rich in keratin protein which is difficult to break down. Methods PF was collected, washed, chopped, and was transferred to plastic pots (200 ml each containing 30g PF). Streptomyces […]
Purpose: A study was conducted to transform bovine blood, a slaughterhouse by-product, into an organic source of nitrogen, which is otherwise disposed of through sewer systems only to pollute the nearby water bodies. Method: The annual blood production in the Khulna City Corporation (KCC) slaughterhouses was estimated, blood samples were collected, and blood meals were […]
