The purpose of these papers is to identify ways in which scavenging village poultry production can be improved at little or no cost. There has recently been much recognition given to this system, particularly amongst the very poor, because of its major role in food security, nutrition and income. Scavenging chickens are normally unmanaged with few or no inputs. Here, focus is on improving bird ...

Many studies tested different feed additives, among these additives, humic substances (HS) have been used in livestock and poultry diets. Humic substances commonly present in nature as they are created from the organic matter decomposition, and are normally found in the soil and natural water. Active components of HS consist of humic acid (HA), humus, ulmic acid, fulvic acid, humin and certain ...

Distribution, management anD ProDuctivity of Poultry genotyPes in most developing countries, there are two parallel poultry industries: one using high-performing commercial layer or broiler genotypes; and the other based on lower-performing, dual-purpose indigenous breeds. the proportions in these two categories vary widely among countries, but in lower-income countries, indigenous stock compri...

Image watermarking has proven to be quite an efficient tool for the purpose of copyright protection and authentication over the last few years. In this paper, a novel image watermarking technique in the wavelet domain is suggested and tested. To achieve more security and robustness, the proposed techniques relies on using two nested watermarks that are embedded into the image to be watermarked....