Meanwhile in Australia ...

And Canada ...

Already in Sept, 2021 they prided themselves with (page 2) "There are new technologies that will impact vaccine production, including the use of mRNA, now widely known as a result of the COVID-19pandemic. ..."

What it is really all about (page 3): "The current COVID-19 pandemic has taught us many lessons, including the fact that the development, mass production and approval process of vaccines could be shortened from several years (or decades) to 8-9 months.

This will have a significant and long-lasting impact on how livestock vaccines are produced and deployed in the future. It is now in the realm of possibility that a vaccine be developed and tested against an emerging pathogen of livestock and be deployed in the face of a global outbreak.

It is a CultureChange (page 5): "Resulting from the pandemic, society is more attuned to the One Health concept and so vaccination of livestock will be seen as part ofa larger health picture, one that includes humans and the environment

Well they 'loaded' cows already in 2002 in Japan with the Coronavirus - what could possibly go wrong?

Field study of bovine coronavirus vaccine enriched with hemagglutinating antigen for winter dysentery in dairy cows

A field study of a vaccine; prepared by solubilizing cells infected with bovine coronavirus, ...

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC227016/