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Investigations on Transfer of Pathogens between Foster Cows and Calves during the Suckling Period

  • To date, there have been few studies on the health effects of foster cow systems, including the transmission of mastitis-associated pathogens during suckling. The present study aimed to compare the pathogens detected in the mammary glands of the foster cow with those in the oral cavities of the associated foster calves and to evaluate the resulting consequences for udder health, calf health and internal biosecurity. Quarter milk sampling of 99 foster cows from an organic dairy farm was conducted twice during the foster period. Oral cavity swabs were taken from 345 foster calves. Furthermore, quarter milk samples were collected from 124 biological dams to investigate possible transmission to the foster cows via the suckling calves. All samples were microbiologically examined and confirmed by MALDI-TOF (matrix-assisted laser desorption time-offlight mass-spectrometry). Using RAPD-PCR (randomly amplified polymorphic DNA polymerase chain reaction), strain similarities were detected for Pasteurella multocida, Staphylococcus aureus, S. sciuri and Streptococcus (Sc.) suis. Transmission of P. multocida and S. aureus probably occurred during suckling. For S. sciuri and Sc. suis, environmental origins were assumed. Transmission from dam to foster cow with the suckling calf as vector could not be clearly demonstrated.

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Author:Katharina Köllmann, Nicole WenteORCiD, Yanchao Zhang, Volker KrömkerORCiDGND
DOI original:https://doi.org/10.3390/ani11092738
Parent Title (English):Animals
Document Type:Article
Year of Completion:2021
Publishing Institution:Hochschule Hannover
Release Date:2021/09/27
Tag:calf rearing; foster cows; suckling; udder health
GND Keyword:Kälberaufzucht; Säugen; Euter; Pasteurella multocida
Article Number:2738
Gefördert mit Mitteln des Publikationsfonds der Bibliothek der Hochschule Hannover.
Link to catalogue:1774478307
Institutes:Fakultät II - Maschinenbau und Bioverfahrenstechnik
DDC classes:630 Landwirtschaft, Veterinärmedizin
Licence (German):License LogoCreative Commons - CC BY - Namensnennung 4.0 International