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Journal of Dairy Science Vol. 65 No. 8 1509-1513
© 1982 by American Dairy Science Association ®
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Blood Changes of Spontaneously Ketotic Cows Before and Four Hours After Administration of Glucose, Xylitol, 1,2-Propanediol, or Magnesium Propionate

T. Hamada, T. Ishii and S. Taguchi

Department of Nutrition, National Institute of Animal Industry, Tsukuba Norindanchi P.O.B. 5, Ibaraki 305, Japan
Tookatsu Veterinary Office, Chiba Agricultural Insurance Association, Chiba 277, Japan

ABSTRACT

Concentrations in blood of glucose, acetoacetate, 3-hydroxybutyrate, free fatty acids, insulin, calcium, magnesium, sodium, and potassium of 19 spontaneously ketotic cows and 16 normal lactating cows were compared. Acetoacetate, 3-hydroxybutyrate, and free fatty acids were higher and glucose and magnesium were lower in ketotic cows than in normal cows. At 4 h after intravenous administration of 250 g glucose, 3-hydroxybutyrate was decreased and calcium increased. At 4 h after intra-ruminal administration of 400 ml of 1,2-propanediol, acetoacetate, 3-hydroxybutyrate, and magnesium were decreased and glucose increased. Intravenous administration of 100 g of xylitol or intraruminal administration of 188 g of magnesium propionate appeared effective to decrease ketones and to increase glucose in blood.




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N. B. Kristensen, A. Danfaer, B. A. Rojen, B.-M. L. Raun, M. R. Weisbjerg, and T. Hvelplund
Metabolism of propionate and 1,2-propanediol absorbed from the washed reticulorumen of lactating cows
J Anim Sci, August 1, 2002; 80(8): 2168 - 2175.
[Abstract] [Full Text] [PDF]


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