| prevalence and antimicrobial resistance of non-typhoidal salmonella serotypes isolated from laying hens and broiler chicken farms in n'djamena, chad. | this study aimed at updating knowledge on the prevalence and antimicrobial resistance characteristics of salmonella isolated from poultry in the province of n'djamena, chad. the results collected during this study provide the first baseline data on the prevalence of contamination by salmonella in laying hens and broiler chicken farms in n'djamena. all samples were collected from sixteen poultry farms over two periods of six months each: from august 2010 to january 2011 and from september 2011 to ... | 2013 | 23810700 |