Retrospective study using biosensor data of a milking Holstein cow with jejunal haemorrhage syndrome.
Bos taurus taurus
automated monitoring system
blood analysis
haemorrhagic bowel syndrome
necropsy
Journal
Veterinarni medicina
ISSN: 0375-8427
Titre abrégé: Vet Med (Praha)
Pays: Czech Republic
ID NLM: 0063417
Informations de publication
Date de publication:
Sep 2023
Sep 2023
Historique:
received:
02
07
2023
accepted:
21
09
2023
medline:
20
11
2023
pubmed:
20
11
2023
entrez:
20
11
2023
Statut:
epublish
Résumé
Jejunal haemorrhage syndrome (JHS) is a sporadic and fatal enterotoxaemic disease in dairy cows associated with acute development and poor prognosis despite treatment. A 5-year-old Holstein cow with no reported pregnancy, three calving numbers, and 303 days in milk presented with hypothermia, discomfort, and inappetence. Anaemia, dehydration, faeces with blood clots, and absence of rumen and bowel movements were observed. We identified the presence of neutrophilia, hyperglycaemia, hypoproteinaemia, azotaemia, hyperlactatemia, hypocalcaemia, hypermagnesemia, hypokalaemia, and hypochloraemia through blood analyses. Necropsy and histopathologic examination revealed a dilated bluish-purple jejunum, blood clots within the jejunum, neutrophil infiltration into the submucosa of the jejunum, and vascular necrosis. Retrospective examination revealed extraordinary patterns of rumination time, activity, rumen mobility, and rumen temperature using biosensors and decreased milk yield. The abnormalities in the affected cow were detected before recognition by farm workers. To the best of our knowledge, this is the first report to examine data from biosensors in a cow with JHS. Our findings suggest that using biometric data may help understand the development of JHS.
Identifiants
pubmed: 37981941
doi: 10.17221/73/2023-VETMED
pii: 123073
pmc: PMC10646544
doi:
Types de publication
Case Reports
Langues
eng
Pagination
375-383Informations de copyright
Copyright: © 2023 Ha et al.
Déclaration de conflit d'intérêts
The authors declare no conflict of interest.
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