Do Viet Minh, 2005. Effect of Supplementation, Breed, Season and Location on Feed Intake and Performance of Scavenging Chickens in Vietnam. Doctor’s dissertation., ISSN 16526880, ISBN 91-576-69007 The aims of the studies were to evaluate the nutrient status of local and improved scavenging hens in different seasons and locations by crop content analysis (Paper I), and the effects of scavenging ...