传染性无乳症，耳部无症状携带者，山羊
In goats that are auricular subclinical carriers of contagious agalactia, disease-causing mycoplasmas are recovered from the ears, as pictured here.
Courtesy of Dr. Christian de la Fe Rodríguez.
在这些主题中
In goats that are auricular subclinical carriers of contagious agalactia, disease-causing mycoplasmas are recovered from the ears, as pictured here.
Courtesy of Dr. Christian de la Fe Rodríguez.
