Blood neutrophil extracellular traps: a novel target for the assessment of mammary health in transition dairy cows

Autor: Luyi Jiang, Huizeng Sun, Fengfei Gu, Jin He, Fengqi Zhao, Jianxin Liu
Jazyk: angličtina
Rok vydání: 2022
Předmět:
Zdroj: Journal of Animal Science and Biotechnology, Vol 13, Iss 1, Pp 1-12 (2022)
Druh dokumentu: article
ISSN: 2049-1891
DOI: 10.1186/s40104-022-00782-4
Popis: Abstract Background Mammary health is important for transition dairy cows and has been well recognized to exert decisive effects on animal welfare. However, the factors influencing mammary health are still unclear. Differential somatic cell count (DSCC) could reflect the mastitis risk since it is the percentage of neutrophils plus lymphocytes in total somatic cells and could be reflective of mammary health of dairy cows. This work aimed to investigate the assessment and prognosis of the health of transition cows based on blood neutrophil extracellular traps (NETs). Results Eighty-four transition Holstein dairy cows were selected. The serum was sampled in all the animals at week 1 pre- and postpartum, and milk was sampled at week 1 postpartum. Based on the DSCC in milk at week 1, cows with lower (7.4% ± 4.07%, n = 15) and higher (83.3% ± 1.21%, n = 15) DSCCs were selected. High DSCC cows had higher levels of red blood cell counts (P
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