The article highlights the challenges faced by domestic laying hens markets, particularly in Korea, due to quality issues that have led to exports to Vietnam being halted or reduced. The main issue is the detection of salmonella, which has led to local purchases being canceled or discarded. The Korean Laying Hen Association is advocating for improved quality control to enhance competitiveness and has pointed out the preventive measures for salmonella detection through better cleaning and hygiene management. The article also mentions that domestic slaughterhouses are using this situation as a chance to reassess their quality control measures.