Assessment of subacute mammary inflammation by soluble biomarkers in comparison to somatic cell counts in quarter milk samples from dairy cows

Zentralblatt für Veterinärmedizin. Reihe A
W Zank, B Schlatterer

Abstract

The usefulness of soluble markers in indirectly differentiating inflamed quarters from healthy quarters of 30 Holstein Friesian cows was tested over a follow-up period of 20 weeks. In comparison to N-acetyl-beta-D-glucosaminidase (NAGase), lactate dehydrogenase (LDH), Na+, K+ and Cl- the somatic cell counts (SCC) were determined in foremilk samples. The soluble parameters were measured by means of an autoanalyzer system (Beckman CX5CE) equipped with solid state ion electrodes. Due to different types of inflammatory reactions it is considered to be advantageous to perform two tests in parallel for assessing the mammary gland status. Cell-damaging processes should best be detected by measuring elevated LDH activity, whereas the impairment of the blood-udder barrier is recorded by the respective elevation of the indicators Na+ and Cl-. Among all variables, SCC included, the soluble parameters showed the least dispersions, whereas those of SCC were the most unfavourable in this respect. Moreover, NAGase/LDH and Na+/Cl- among all variables had the highest correlation coefficients of 0.85 and 0.86, respectively. Threshold values as decision limits are proposed. Additionally, an inter-quarter comparison and evaluation improved the dia...Continue Reading

References

Feb 1, 1976·Australian Veterinary Journal·B J Kitchen, G Middleton
Jun 1, 1989·Nihon juigaku zasshi. The Japanese journal of veterinary science·K KatoN Katoh
May 1, 1995·Journal of Dairy Science·M NielenK Maatje
Feb 1, 1994·Journal of Dairy Science·M E Kehrli, D E Shuster

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Citations

Jan 16, 2002·Prostaglandins & Other Lipid Mediators·R BaekerB Schlatterer
Jul 31, 2007·Breastfeeding Medicine : the Official Journal of the Academy of Breastfeeding Medicine·Anne Eglash, Richard Proctor
Jun 25, 2009·Veterinary Clinical Pathology·Shahabeddin SafiIradj Nowrouzian
Jul 3, 1999·Nutrition Reviews·R D Semba, M C Neville
Jul 2, 2020·Veterinary Medicine International·Robert KleinFrederika Chovanová
Dec 18, 2008·Breastfeeding Medicine : the Official Journal of the Academy of Breastfeeding Medicine·Lill-Brith Wium RasmussenTorben Larsen

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