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Clinico-pathological findings in peripartum dairy cows fed anion salts lowering the dietary cation-anion difference : Involvement of serum inorganic phosphorus, chloride and plasma estrogen concentrations in milk fever

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Please use this identifier to cite or link to this item:http://doi.org/10.14943/jjvr.55.1.3

Title: Clinico-pathological findings in peripartum dairy cows fed anion salts lowering the dietary cation-anion difference : Involvement of serum inorganic phosphorus, chloride and plasma estrogen concentrations in milk fever
Authors: Kurosaki, Naotoshi Browse this author
Yamato, Osamu Browse this author
Sasamoto, Yoshihiko Browse this author
Mori, Fuminobu Browse this author
Yamasaki, Masahiro Browse this author →KAKEN DB
Maede, Yoshimitsu Browse this author →KAKEN DB
Keywords: chloride
cow
dietary anion-cation difference
phosphorus
milk fever
Issue Date: 31-May-2007
Publisher: The Graduate School of Veterinary Medicine, Hokkaido University
Journal Title: Japanese Journal of Veterinary Research
Volume: 55
Issue: 1
Start Page: 3
End Page: 12
Abstract: In our previous study, it was demonstrated that the administration of anion salts, which slightly lower the dietary cation-anion difference(DCAD),in the prepartum period is safe and effective for preventing milk fever in multiparous cows. In the present study, several clinico-pathological constituents in serum and urine, which might be related to milk fever, were analyzed using stored samples from the previous study to identify clinico-pathological parameters for easily evaluating the efficacy of lowering DCAD and to further investigate the mechanism by which lowering DCAD prevents milk fever. Among the parameters analyzed in the present study, inorganic phosphorus (iP)was involved in milk fever because the serum concentration and urinary excretion of iP were significantly higher in the group of primiparous cows (heifer group),which did not develop hypocalcemia, than those in other groups of multiparous cows. Serum chloride concentrations in the heifer group and the group of multiparous cows fed anion salts(anion group)tended to remain higher than those in other control groups of multiparous cows suggesting that serum chloride concentration may be utilized for evaluating the status of metabolic acidosis and the efficacy of lowerng DCAD in dairy cows fed anion salts. In addition, plasma estradiol‐17β concentration in the heifer group tended to be lower at parturition compared with that in other multiparous groups suggesting that estrogen known as a potent inhibitor of bone resorption may be involved in developing milk fever.
Type: bulletin (article)
URI: http://hdl.handle.net/2115/22205
Appears in Collections:Japanese Journal of Veterinary Research > Volume 55, Number 1

Submitter: 獣医学部図書室

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