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Blood biochemical changes upon subclinical intramammary infection and inflammation in Holstein cattle
- Source :
- Journal of Dairy Science, Vol 106, Iss 9, Pp 6539-6550 (2023)
- Publication Year :
- 2023
- Publisher :
- Elsevier, 2023.
-
Abstract
- ABSTRACT: The aim of this study was to investigate the associations between subclinical intramammary infection (IMI) from different pathogens combined with inflammation status and a set of blood biochemical traits including energy-related metabolites, indicators of liver function or hepatic damage, oxidative stress, inflammation, innate immunity, and mineral status in 349 lactating Holstein cows. Data were analyzed with a linear model including the following fixed class effects: days in milk, parity, herd, somatic cell count (SCC), bacteriological status (positive and negative), and the SCC × bacteriological status interaction. Several metabolites had significant associations with subclinical IMI or SCC. Increased SCC was associated with a linear decrease in cholesterol concentrations which ranged from −2% for the class ≥50,000 and
Details
- Language :
- English
- ISSN :
- 00220302
- Volume :
- 106
- Issue :
- 9
- Database :
- Directory of Open Access Journals
- Journal :
- Journal of Dairy Science
- Publication Type :
- Academic Journal
- Accession number :
- edsdoj.2b6d26340b794d2e864761aee5e49da7
- Document Type :
- article
- Full Text :
- https://doi.org/10.3168/jds.2022-23155