Fern and oak leaves cause tumours in cattle
a study finds : Brackern fern, found in abundance in pasture dominated areas all over Bhutan, contains Pterosin B, a cancer causing urinary bladder tumours in cattle, according to a study done by the
a study finds : Brackern fern, found in abundance in pasture dominated areas all over Bhutan, contains Pterosin B, a cancer causing urinary bladder tumours in cattle, according to a study done by the