outbreak of sand impaction in postpartum dairy cows

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 correcti...

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Bibliographic Details
Published in:Canadian veterinary journal 2007-10, Vol.48 (10), p.1067-1070
Main Authors: Melendez, P, Krueger, T, Benzaquen, M, Risco, C
Format: Article
Language:English
Subjects:
abomasum
Abomasum - abnormalities
Abomasum - surgery
Animal Feed - adverse effects
Animal Feed - analysis
Animal Nutritional Physiological Phenomena
Animals
Anions - analysis
case studies
Cations - analysis
Cattle
cattle diseases
cow feeding
dairy cows
Dairying - methods
dietary cation anion difference
digestive system diseases
disease diagnosis
Fatal Outcome
Female
Hydrogen-Ion Concentration
indigestion
Lactation - physiology
Postpartum Period
sand
sand impaction
Scientific
urine
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Summary: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.
ISSN:0008-5286