An outbreak of sand impaction in postpartum dairy cows.

Autor: Melendez P; Department of Large Animal Clinical Sciences, College of Veterinary Medicine, University of Florida, PO Box 100136, Gainesville, Florida 32610-0136, USA. melendezp@mail.vetmed.ufl.edu, Krueger T, Benzaquen M, Risco C
Jazyk: angličtina
Zdroj: The Canadian veterinary journal = La revue veterinaire canadienne [Can Vet J] 2007 Oct; Vol. 48 (10), pp. 1067-70.
Abstrakt: Twenty-two cases of indigestion occurred in a 650-cow herd. Five cows had severe sand abomasal impaction, diagnosed by laparotomy. The pH of prepartum cows' urine was < 6.0 and of sand 8.0. Feed showed a dietary cation-anion difference < or = -110 mEq/kg. After feeding management corrections, no more cases were diagnosed.
Databáze: MEDLINE