Beta-hydroxybutyrate, glucose, calcium, phosphorus, and vitamin C concentrations in blood of dairy cows with subclinical ketosis during the early lactation

• Autorzy: Zhang Z , Liu G. , Li X. , Wang Z. , Kong T. , Zhang N. , Guo C.
• Języki publikacji: EN

Abstrakty

EN

The objective of this study was to examine the association between β-hydroxybutyrate (BHBA) and glucose, calcium (Ca), phosphorus (P), and vitamin C concentrations in dairy healthy and with subclinical ketosis cows during an early lactation period. The blood from 99 healthy cows and 26 sub-clinically ketotic cows within the first two months of lactation was sampled. Serum concentration of BHBA was measured by enzymatic-rate method, glucose by oxidase method, and P by colorimetric method. These tests were performed in a biochemical auto-analyser. Serum Ca concentration was measured by atomic absorption spectrometer followed by acid digestion. Vitamin C was measured by HPLC. The results showed that in ketotic cows serum BHBA was significantly increased (P<0.01) and glucose and Ca concentrations were significantly decreased (P<0.01) as compared to healthy cows, while vitamin C and P concentrations were similar in the both groups of cows (P>0.05). The serum BHBA concentration was negatively correlated with the serum glucose and Ca concentrations (P<0.01). Vitamin C and P status of cows with subclinical ketosis was not affected by BHBA. Serum Ca concentration can be used as a reference index for the diagnosis of subclinical ketosis.

Słowa kluczowe

EN

early lactation; dairy cow; glucose; beta-hydroxybutyrate; subclinical ketosis; vitamin C; blood; veterinary medicine; calcium; lactation period; cow

• Wydawca: -
• Czasopismo: Bulletin of the Veterinary Institute in Puławy
• Rocznik: 2009
• Tom: 53
• Numer: 1
• Opis fizyczny: p.71-74,ref.

Twórcy

autor

Zhang Z

• Jilin University, Changchun 130062, Jilin, China

autor

Liu G.

autor

Li X.

autor

Wang Z.

autor

Kong T.

autor

Zhang N.

autor

Guo C.

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