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. 2019 Apr 27;81(4):626-628.
doi: 10.1292/jvms.19-0002. Epub 2019 Mar 1.

Serum iron concentration as a marker of inflammation in young cows that underwent dehorning operation

Kenji Tsukano  1 , Toshio Shimamori  1 , Tatsuya Fukuda  1 , Yasunobu Nishi  1 , Marina Otsuka  1 , Yasuyuki Kitade  1 , Kazuyuki Suzuki  1
Affiliations

Serum iron concentration as a marker of inflammation in young cows that underwent dehorning operation

Kenji Tsukano et al. J Vet Med Sci. .

Abstract

This study aimed to assess the usefulness of serum iron (Fe) concentration as a marker of inflammation caused by the dehorning operation. Five young Holstein cows aged 205.0 ± 10.7 days and weighing 207.2 ± 24.1 kg underwent the dehorning operation. Blood samples were withdrawn before dehorning (pre) and at time periods of t=0.5, 2, 4, 6, 8, 12, 24, and 48 hr. The serum amyloid A (SAA) concentration was significantly high at t=48 hr (P<0.01). The serum Fe concentration significantly decreased, reaching 90.0 ± 36.4 µg/dl at t=24 hr (P<0.001). Therefore, serum Fe concentration showed significant and negative correlation with SAA concentration (r2=0.500, P<0.01). In conclusion, serum Fe concentration is a useful marker of inflammation in young cows that have undergone the dehorning operation.

Keywords: Inflammation; calf; dehorning; iron; serum amyloid A.

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Conflict of interest statement

The authors have no conflict of interests directly relevant to the content of this article.

Figures

Fig. 1.
Fig. 1.
Sequential changes in serum amyloid A (SAA, upper) and iron (Fe, lower) concentrations in cows that underwent dehorning. *; vs. initial P<0.05, **; vs. initial P<0.01 by the Dunnet-test.
Fig. 2.
Fig. 2.
Relationship between serum amyloid A (SAA) and iron (Fe) concentration in cows that underwent dehorning. The central line represents the regression line; the dashed lines represent the 95% confidence interval.
See this image and copyright information in PMC

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