TY - GEN AU - Johnson,A E TI - Tolerance of cattle to tansy ragwort (Senecio jacobaea) SN - 0002-9645 PY - 1978///1202 KW - Animals KW - Cattle KW - Cattle Diseases KW - etiology KW - Female KW - Plant Poisoning KW - Plants, Toxic KW - Pregnancy KW - Pregnancy Complications KW - veterinary KW - Senecio KW - Time Factors N1 - Publication Type: Comparative Study; Journal Article ER -