Зөвхөн бүртгэлтэй хэрэглэгчид л нийтлэл орчуулах боломжтой
Нэвтрэх / Бүртгүүлэх
The lamb disease called alveld is caused by Narthesium ossifragum. It is observed clinically in white lambs as a photosensitization, which may become very severe. At a more advanced stage, icterus often occurs as well, the latter affecting both black and white lambs. Adult sheep are rarely affected