TY - RPRT TI - Variability in ad libitum forage intakes by sheep. AU - D P Heaney AU - G I Pritchard AU - W J Pigden PY - 1968 DO - 10.2527/jas1968.271159x UR - https://pubmed.ncbi.nlm.nih.gov/5637650/ ID - 5637650 ER -