#bovine — Public Fediverse posts

#Infection of the #bovine mammary #gland by avian #H5N1 subclade 2.3.4.4b #influenza viruses, https://etidiohnew.blogspot.com/2026/04/infection-of-bovine-mammary-gland-by.html

The #bovine mammary #gland as a crucible for zoonotic #influenza virus emergence: Receptor-mediated #adaptation of HPAI #H5N1 clade 2.3.4.4b, https://etidiohnew.blogspot.com/2026/02/the-bovine-mammary-gland-as-crucible.html

Researchers have established a novel line of #bovine #embryonic stem cells (#ESCs ) derived from the blastocyst stage that maintain a stable, formative pluripotent state.
#AgriculturalScience #AnimalScience #Biotechnology #sflorg
https://www.sflorg.com/2026/02/agri02042601.html

Highly pathogenic avian #H5N1 #influenza A virus #replication in ex vivo #cultures of #bovine mammary #gland and teat tissues, https://etidiohnew.blogspot.com/2025/01/highly-pathogenic-avian-h5n1-influenza.html

#Avian and #Human #Influenza A Virus #Receptors in #Bovine #Mammary #Gland, Emerg Infect Dis.: https://wwwnc.cdc.gov/eid/article/30/9/24-0696_article

An outbreak of influenza A (#H5N1) virus was detected in dairy cows in the #USA. We detected influenza A virus #sialic acid -α2,3/α2,6-galactose host receptors in bovine mammary glands by lectin histochemistry. Our results provide a rationale for the high levels of H5N1 virus in #milk from infected cows.

Fucosylated and non-fucosylated alpha2,3 #sialosides were detected on the #bovine #mammary #gland tissues, BioRxIV: https://www.biorxiv.org/content/10.1101/2024.07.29.605565v1

Receptors for high pathogenicity avian #influenza viruses (#HPAIVs) in mammary glands of dairy #cattle were detected using various recombinant #hemagglutinins (rHAs). Results demonstrated presence of fucosylated and non-fucosylated alpha2,3 sialosides, which were typically targeted by the HA of clade 2.3.4.4b HPAIVs.

af piece for olivecow

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#Virome #Sequencing Identifies #H5N1 Avian #Influenza in #Wastewater from Nine #Cities. MedRxIV, https://www.medrxiv.org/content/10.1101/2024.05.10.24307179v1

19 of 23 monitored sites had at least one detection event, and H5N1 serotype became dominant over seasonal influenza over time. A variant analysis suggests avian or #bovine origin but other potential sources, especially humans, could not be excluded.