Changes in mRNA of immune factors expressed by milk somatic cells of Holstein cows with hypocalcemia after calving.
Journal
Canadian journal of veterinary research = Revue canadienne de recherche veterinaire
ISSN: 1928-9022
Titre abrégé: Can J Vet Res
Pays: Canada
ID NLM: 8607793
Informations de publication
Date de publication:
Jan 2021
Jan 2021
Historique:
received:
06
03
2020
accepted:
03
07
2020
entrez:
4
1
2021
pubmed:
5
1
2021
medline:
11
8
2021
Statut:
ppublish
Résumé
Changes in immune factors expressed by milk somatic cells from Holstein cows with hypocalcemia after calving were investigated in this study. Fourteen multiparous Holstein cows after their 3rd or 4th calving in one farm were used. The cows were divided into 2 groups: 7 cows needing treatment due to onset of hypocalcemia (hypocalcemia group; age = 5.53 ± 0.27 years, parity = 3.14 ± 0.14) and 7 cows without health problems (control group; age = 5.88 ± 0.31 years, parity = 3.57 ± 0.26). Milk samples were collected aseptically using a cannula and mRNA of immune factors expressed by milk somatic cells were analyzed. Milk samples (50 mL) were collected from the right rear mammary gland of cows before milking at day 1 and weeks 1, 2, 4, and 8 after calving. All milk samples showed a negative reaction to the California Mastitis Test. Levels of relative interleukin (IL)-6 and cathelicidin in the hypocalcemia group were lower than those in the control group in weeks 1 to 8. A significant difference in relative IL-6 levels was found in week 4 ( Dans la présente étude les modifications des facteurs immunitaires exprimées par les cellules somatiques du lait de vaches Holstein présentant une hypocalcémie après le vêlage ont été examinées. Quatorze vaches Holstein multipares après leur 3
Autres résumés
Type: Publisher
(fre)
Dans la présente étude les modifications des facteurs immunitaires exprimées par les cellules somatiques du lait de vaches Holstein présentant une hypocalcémie après le vêlage ont été examinées. Quatorze vaches Holstein multipares après leur 3
Substances chimiques
Immunologic Factors
0
RNA, Messenger
0
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
72-76Informations de copyright
Copyright and/or publishing rights held by the Canadian Veterinary Medical Association.
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