• Treczoks@lemmy.world
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    2 months ago

    That’s the reason why most people drink pasteurized milk. Those who don’t will soon find out about the dangers of raw milk.

      • Ashyr@sh.itjust.works
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        2 months ago

        Pasteurization is pretty effective at killing stuff. That’s literally what it’s meant to do.

        Mutations and transmission require a vast array of infections to net appreciable results. I don’t think the rare raw milk drinkers will likely be a huge problem.

        • tearsintherain@leminal.spaceOP
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          2 months ago

          Sure, pasteurization works. But then there’s the forest…

          A multi-state outbreak of HPAI A(H5N1) bird flu in dairy cows was first reportedon March 25, 2024. This is the first time that these bird flu viruses were found in cattle. CDC confirmed one human HPAI A(H5N1) infection that had exposure to dairy cattle in Texas that were presumed to be infected with the virus. While thought to be rare, this exposure to HPAI A(H5N1) bird flu virus is the first instance of likely mammal to human transmission.

    • jaybone@lemmy.world
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      2 months ago

      Do they even sell raw milk in stores? I assume you need to get this straight from a farm? And I’m a bit shocked if 4.4 percent of the US is getting their milk from farms. That’s like what ~12million people?

      • Raiderkev@lemmy.world
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        2 months ago

        They did at whole foods like 15 years ago when I worked there. They pulled it from the shelves I believe because of some new law. A handful of our customers got super mad about it.

      • WilderSeek@lemmy.world
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        2 months ago

        Most people get them from farmers’ markets. There are supposedly health advantages to it, but I’d assume this would be the case from buying from a smaller responsible farm over a corporate factory farm anyhow—regardless of whether it’s pasteurized or not.

        • PsychedSy@lemmy.dbzer0.com
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          2 months ago

          It’s prolly got some shit they’d call pro-biotic, which will help while their gut flora are eating their corpse.

        • Treczoks@lemmy.world
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          2 months ago

          Yea, they consider it “more healthy” and “more natural” than pasteurized milk. The same kind of people who heal with prayers or crystals and read horoscopes.

        • jaybone@lemmy.world
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          2 months ago

          That’s crazy. I don’t usually drink milk so I never noticed. But every now and then I will make White Russians. Now I’ll need to keep an eye out. (Or will kahlua and vodka kill this stuff?)

          • tal@lemmy.today
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            2 months ago

            The vast bulk of milk sold is pasteurized. It contains the remains of H5N1 viral DNA – so we know that it’s in the milk supply – but the pasteurization inactivates it. Unless you’re intentionally buying unpasteurized milk, you’re probably using pasteurized milk. From what I’ve read, influenza is very vulnerable to heat, so pasteurization readily affects it.

            I doubt that anyone’s tried testing unpasteurized milk mixed drinks.

            googles

            This says that you can inactivate H5N1 with ethanol-based hand sanitizer, but that it’s comparatively-resistant to it relative to other forms of influenza, FWIW.

            https://wwwnc.cdc.gov/eid/article/28/3/21-1752_article

            Evaluating the stability of highly pathogenic avian influenza viruses on human skin and measuring the effectiveness of disinfectants are crucial for preventing contact disease transmission. We constructed an evaluation model using autopsy skin samples and evaluated factors that affect the stability and disinfectant effectiveness for various subtypes. The survival time of the avian influenza A(H5N1) virus on plastic surfaces was ≈26 hours and on skin surfaces ≈4.5 hours, >2.5-fold longer than other subtypes. The effectiveness of a relatively low ethanol concentration (32%–36% wt/wt) against the H5N1 subtype was substantially reduced compared with other subtypes. Moreover, recombinant viruses with the neuraminidase gene of H5N1 survived longer on plastic and skin surfaces than other recombinant viruses and were resistant to ethanol. Our results imply that the H5N1 subtype poses a higher contact transmission risk because of its higher stability and ethanol resistance, which might depend on the neuraminidase protein.

            “EA” here is “ethanol alcohol”

            All influenza viruses were completely inactivated (below the detection limit) within 15 seconds by treatment with 40%, 60%, or 80% EA or 70% IPA (log reductions in titers were >4). However, all viruses were not inactivated by 20% EA (log reduction <1). Of note, although all subtypes except for H5N1 were completely inactivated within 15 seconds by 36% EA (log reduction >4), the disinfectant effectiveness of 36% EA against H5N1-Ky and H5N1-Eg was substantially low (log reduction <3) (Table 3; Appendix Table 1).

            I don’t know the percentages for mixing a White Russian offhand. WP’s mix for it is:

            https://en.wikipedia.org/wiki/White_Russian_(cocktail)

            • 5 cl (5 parts) vodka
            • 2 cl (2 parts) coffee liqueur
            • 3 cl (3 parts) fresh cream

            Coffee liqueur doesn’t have a fixed ethanol content.

            https://www.liquor.com/best-coffee-liqueurs-5086056

            On that page, the coffee liqueurs are 20-35% ethanol ABV.

            https://en.wikipedia.org/wiki/Vodka

            That says that vodka is 35–40% ethanol ABV.

            If you go by that recipe and numbers, then a White Russian could range from 21.5% to 27% ethanol. That won’t be enough to inactivate H5N1 in 15 seconds, at least based on the above research. I don’t know what kind of inactivation time is required to be safe for consumption.

            • jaybone@lemmy.world
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              2 months ago

              Yeah, I don’t drink it in 15 seconds. I would think if it sits in stirred alcohol for a few minutes it might help.

              But just to be sure, I’ll drink Black Russians instead.

          • LimeZest@discuss.tchncs.de
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            2 months ago

            They sell raw milk products at one of the grocery stores near me, but the people interested in raw milk products are very enthusiastic about it and willing to pay a premium to get sick, so the producers don’t hide the lack of pasteurization. It is all over the labels and more expensive than the pasteurized products.

      • anon987@lemmy.world
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        2 months ago

        I already tried telling them you can still get the flu from pasteurized milk and also from just being near the cattle.

        Braindead apes will do anything to defend their bovine titty pus juice.

          • ImADifferentBird@lemmy.blahaj.zone
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            2 months ago

            From the linked article:

            The Food and Drug Administration, meanwhile, has detected genetic traces of H5N1 in roughly 20 percent of commercial milk samples. While commercial milk is still considered safe—pasteurization is expected to destroy the virus and early testing by the FDA and other federal scientists confirms that expectation—the finding suggests yet wider spread of the virus among the country’s milk-producing cows.

            TLDR: Pasteurization kills the virus. Which is the point of pasteurization.

          • Treczoks@lemmy.world
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            2 months ago

            Source? Have you slept in biology in school? Or don’t they teach things like that where you live?

            • anon987@lemmy.world
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              2 months ago

              According to the FDA it’s most likely safe but can’t be confirmed until actual tests are done.

              Do they not teach proper research where you live?

              “Because H5N1 has only recently been found in cattle, no studies have directly tested milk pasteurization’s ability to kill the virus, the FDA said in a statement.”

              • Treczoks@lemmy.world
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                2 months ago

                While H5N1 is new and there are no specific tests, pastereuzed milk being tested for all kinds of pathogens has quite a history. There is no reason to assume that H5N1 behaves fundamentally different from any other virus shred by the methods employed.

      • Treczoks@lemmy.world
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        2 months ago

        Yes, but the idea of pasteurisation is to get the amount of surviving microorganisms down to less than one in a million or better (depending on local definitions). The human body can then easily take care of the few remaining viruses.

        Any kind of pasteurisation is not about eliminating 100% of MOs. It is always a compromise, but also always on the side of “better safe than sorry”.