星状病毒感染，生长迟缓综合征，肠道苍白，鸡
Dilated, thin-walled, pale, and fluid-filled duodenum from broiler with runting and stunting syndrome associated with astrovirus infection.
Courtesy of Dr. Holly Sellers.
在这些主题中
Dilated, thin-walled, pale, and fluid-filled duodenum from broiler with runting and stunting syndrome associated with astrovirus infection.
Courtesy of Dr. Holly Sellers.
