PROBLEM TO BE SOLVED: To provide feed for a cow, which prevents hypocalcemia and milk fever before and after parturition and perinatal diseases concomitant therewith (abomasum displacement, ketosis, etc.) without lowering palatability and feed intake of the cow, and a breeding method of the cow.SOLUTION: Calcium sulfate and/or hydrates thereof are supplied to milking-stopped cows by 73 to 131 g/day and the total of the amounts of chlorine and sulfur derived from anion sources other than calcium sulfate and hydrates thereof is set to 400 mEq/head day or less.SELECTED DRAWING: NoneCOPYRIGHT: (C)2017,JPO&INPIT【課題】牛の嗜好性及び飼料摂取量を低下させることなく、分娩前後の低カルシウム血症及び乳熱ならびにそれらと併発する周産期疾病(第四胃変位、ケトーシス等)を予防する乳牛用飼料及び方法を提供すること。【解決手段】硫酸カルシウム及び/又はその水和物を乾乳牛に73~131g/日給与し、硫酸カルシウム及びその水和物以外の陰イオン供給源に由来する塩素及びイオウの給与量の総計を400mEq/頭・日以下とすること。【選択図】なし
