title: Effects of a herbicide, 2-ethyl hexyl ester of 2,4-D on magnesium: Calcium ratios and blood urea nitrogen levels in sheep and cattle.
abstract: The herbicide, 2,4-Dichlorophenoxyacetic acid, 2-ethyl hexyl ester (Weed Rhap(R)), produced a decrease in plasma calcium and increase in plasma magnesium, giving a significant ratio change in the plasma of the 2 sheep and yearling heifer that died. Each of these had increased blood urea nitrogen (BUN) levels, and the pathological examinations at necropsy showed kidney damage and swollen, blood-engorged thyroids. The formulation of the dose in sheep either as emulsifiable concentrate (EC) or as technical material, showed no effect difference.
authors.affiliation: Toxicological Research Laboratory, Agricultural Research Service, U.S. Department of Agriculture, Kerrville, Texas.
authors.forename: L M
authors.initials: LM
authors.lastname: Hunt
authors.forename: B N
authors.initials: BN
authors.lastname: Gilbert
authors.forename: J S
authors.initials: JS
authors.lastname: Palmer