Studies on magnesium in ruminant nutrition. 11. Effect of lactation on the excretion of calcium and potassium by grazing monozygotic twin cows.
D000704:Analysis of Variance; D000821:Animal Feed; D000818:Animals; D002118:Calcium / Q000032:analysis / Q000378:metabolism* / Q000652:urine; D002417:Cattle / Q000378:metabolism*; D005243:Feces / Q000032:analysis; D005260:Female; D007774:Lactation; D008892:Milk / Q000032:analysis; D011188:Potassium / Q000032:analysis / Q000378:metabolism* / Q000652:urine; D011247:Pregnancy; D014427:Twins
D011188:Potassium; D002118:Calcium