Sacred Cows

In the last installment of this series, I talked about the foyson diet- about freshness as a measurable biochemical state, about the biogenic amines that accumulate in food as it ages and how those compounds degrade the very essence that nonhuman peoples appear to seek, and about salt, that ancient ward, and the way it preserves cellular integrity at a level most of us never think about when we reach for the shaker. If you haven't read "The Foyson Diet" yet, I'd encourage you to go back and start there, because what I'm about to lay out builds directly on that foundation, and the argument only works if you understand what foyson is, biochemically, before we ask which animal carries the most of it.

That is the question this piece is really asking: Which animal, across every measurable category of nutritional density, bioavailability, stability, and sheer volume of life-sustaining output, stands so far above the rest that civilization after civilization looked at her and called her holy?

Spoiler..

The cow. Always the cow.

In Irish mythology, the goddess Boann is the mother of the River Boyne, one of the most significant waterways in Ireland and the artery that runs through the sacred landscape of Bru na Boinne, where Newgrange stands. Her name translates from Irish as "white cow"- bo fhionn- and this is not a modern interpretation or a folk etymology. Ptolemy, the Greek geographer, recorded the river's name in the second century as Bouvinda, which linguists trace to the Proto-Celtic Bou-vinda, meaning exactly the same thing. A goddess named White Cow, feeding a river that feeds a civilization, documented as such nearly two thousand years ago by a man who had no stake in Irish cattle mythology. Boann was a member of the Tuatha De Danann, the mother of Aengus by the Dagda, and her well, the Well of Segais, was the source of all poetic wisdom in the Irish tradition. When she challenged the well's power, the waters surged forth and became the Boyne, and she was swept away in the flood. I think there is something worth noticing in the fact that the river that carries wisdom, nourishment, and creative power through the Irish landscape was named for a cow, by a people who understood what cows provide at a level we are only now rediscovering with laboratory instruments.

Irish mythology goes further. Three sacred cows are said to have emerged from the western sea- Bo Finn, the white, Bo Rua, the red, and Bo Dubh, the black- and all Irish cattle descend from them. Flidais, the goddess of cattle, owned a white cow called the Maol whose milk could feed three hundred men from a single milking. I would like you to hold that detail for a moment, because it is going to matter enormously when we get to the science. Three hundred men from one cow. The Tain Bo Cuailnge, the foundational epic of the Ulster Cycle, is a cattle raid. Not a war over land, not a dispute over kingship in the way we tend to frame ancient conflicts, a raid to steal a bull, because cattle were the currency of power, the measure of wealth, and the sustaining force behind every household and every kingdom. An old Irish proverb names the cow as one of the pleasant trees of paradise, and I have always loved that phrasing, because it makes no attempt to separate the sacred from the practical. A tree gives shade, fruit, shelter, oxygen. A cow gives milk, cream, butter, meat, leather, warmth, labor, and something else entirely, if you are willing to consider it.

The Irish are not the only civilization that arrived at this conclusion. In Norse mythology, when the primordial ice melted in the void of Ginnungagap, two beings emerged from the thaw- the frost giant Ymir and the cow Audhumla, whose name means "hornless cow rich in milk." Four rivers of milk flowed from Audhumla's udders, and Ymir, the ancestor of every giant, fed from them to survive. While she nourished him, she licked the salty rime-covered stones for her own sustenance, and over the course of three days her licking uncovered the form of Buri- first his hair, then his head, then his entire body- the grandfather of Odin, Vili, and Ve, the first gods. The Nafnathulur, a section of the Prose Edda that lists ways to refer to cows, names her specifically as "the noblest of cows," and she is the only cow identified by name in the text.

Pay attention to what this story is actually saying. In the Norse creation, the cow precedes the gods. She feeds the ancestor of the giants with her milk, and she literally uncovers the ancestor of the gods with her body, licking him free from ice and salt. She stands between both lineages, nourishing one and physically birthing the other into visibility, and without her, neither world exists. This is not a metaphor about agriculture. This is cosmology, and the cow is at the center of it.

In Egypt, Hathor was the cow goddess of motherhood, fertility, music, and joy, and the Pharaohs themselves were depicted drinking from the udder of the celestial cow, drawing divine nourishment directly from her body. Hesat, the divine mother cow, served as the wet nurse of the gods. The Apis bull was the living incarnation of the god Ptah, housed in a temple, attended by priests, and mummified upon death with the full ceremonial rites afforded to royalty. In the Hindu tradition, Kamadhenu is the cow of plenty, the divine bovine whose milk and ghee were integral to the Vedic fire sacrifices that sustained the relationship between the human and the divine. Cows were designated Aghnya, a word that means "not to be slaughtered," and Gandhi himself called the cow the central fact of Hinduism.

Every one of these civilizations, separated by thousands of miles and thousands of years, with no shared scripture and no common language, arrived independently at the same position, that the cow is sacred, not symbolically but functionally. The cow sustains life in a way that no other animal can, and the cultures that figured this out encoded it into their deepest stories about the origin of the world itself.

I think they were right. I think the science tells us why.

Let's milk it for what it's worth- lame puns totally intended😁

Let me give the other dairy animals a fair hearing before I make the cow's case, because the numbers are more interesting than a simple blowout, and the places where cow milk does not win per-100g turn out to strengthen the foyson argument rather than weaken it.

Sheep milk is the most concentrated dairy available from any common domesticated animal. Per hundred grams, it carries roughly 5.5 percent protein compared to the cow's 3.5 percent, seven percent fat compared to the cow's 3.5 to 4 percent, and a calcium content that reaches 159 to 242 milligrams per hundred grams, exceeding cow milk's roughly 120 milligrams by a wide margin. Sheep milk delivers about twice the level of zinc compared to cow milk, and in some analyses its B12 content per hundred grams matches or exceeds it. A 2019 University of Auckland clinical trial found that sheep milk protein was more readily digested and its fats more efficiently converted to energy than cow milk, and it produced less hydrogen gas in breath tests, a marker of lactose malabsorption. On a per-glass basis, sheep milk is the most nutrient-dense dairy you can drink.

Goat milk, meanwhile, shines in the mineral department. It leads all common milks in potassium at about 175 milligrams per hundred grams, tops them in magnesium at roughly 17 milligrams, and edges ahead in zinc at 0.69 milligrams. Its fat globules are naturally smaller than cow milk globules, averaging about 3.49 micrometers, which makes it easier to digest for people with mild dairy sensitivities. Goat milk also has an alkalizing effect on the digestive system that cow milk does not share, and it contains oligosaccharides that function as prebiotics, feeding beneficial gut bacteria.

If you stopped here, you might wonder why I am writing about cows at all. Sheep milk has more protein, more fat, more calcium, and more zinc. Goat milk has more potassium, more magnesium, and better digestibility. Cow milk, by raw concentration, does not dominate in as many categories as you might expect.

This is where the foyson argument changes the question.

Cow milk contains significantly higher levels of conjugated linoleic acid than either goat or sheep milk, especially when the cow has been grazing on fresh grass. CLA, specifically the cis-9, trans-11 isomer called rumenic acid, is a fatty acid with documented anti-cancer, anti-inflammatory, anti-diabetic, and immune-modulating properties, and grass-fed cow dairy is one of its richest food sources on the planet. CLA depends on the specific way cows process grass through their rumen, and while goats and sheep produce some CLA through similar pathways, neither species delivers it at the concentrations a pasture-fed cow does. Cow milk is also significantly higher in folate and vitamin B12 than goat milk. One study found that cow milk contains five times as much B12 as goat milk and ten times the amount of folic acid in an eight-ounce serving, and both of these are critical for red blood cell formation and nervous system function.

Then there is the metabolic activation data, which I think matters enormously for the foyson concept. A 2024 study published in Frontiers in Nutrition fed cow, goat, and sheep milk powder to sixty male rats and measured metabolic pathway activation via metabolomics. The finding was direct and surprising. Cow milk activated more distinct and broader metabolic pathways in the body than goat or sheep milk. The researchers attributed this to the phylogenetic similarity between goats and sheep, which means their milks produce more overlapping effects, while cow milk, from a more distantly related species, triggers a wider range of metabolic machinery including lipid metabolism, bile acid biosynthesis, and steroid hormone regulation. Cow milk, in other words, does not simply deliver more of a single nutrient. It wakes up more of the body's systems at once.

Then there is volume. A dairy cow produces six to eight gallons of milk per day. A goat produces about one gallon. A dairy sheep produces less than half a gallon. Cow milk accounts for roughly 81 percent of all milk produced in the world, according to the OECD-FAO Agricultural Outlook. Goat, sheep, and camel milk together account for about four percent. For a family, a village, or a civilization trying to sustain itself, one cow does the work of six to eight goats or twelve to sixteen sheep. For a nonhuman people described in the folklore as feeding on the essence of dairy offerings left at thresholds and hearths, the cow represents a concentration of available foyson that nothing else in the barnyard approaches.

Finally, there is the question of how long the foyson lasts once the milk leaves the animal. Goat cheeses showed higher concentrations of biogenic amines than cow cheeses in multiple studies, and cheeses with higher goat milk content exceeded 100 milligrams per kilogram. Pecorino, made from sheep's milk, reached biogenic amine levels of nearly 5,861 milligrams per kilogram in one study of Pecorino di Fossa aged in an uncontrolled ripening environment, among the highest ever recorded for any dairy product. Fermented goat milk accumulated nearly double the histamine of fermented cow milk by the tenth day of storage, 34.85 milligrams per kilogram compared to 17.97. Winter-produced goat cheese reached 1,056 milligrams per kilogram of biogenic amines, nearly double the summer levels. If foyson degrades as biogenic amines accumulate, and I believe the evidence strongly supports that relationship, then cow dairy holds its essence longer and more cleanly than the alternatives.

Sheep milk is richer drop for drop. Goat milk is gentler on the stomach. Cow milk activates broader metabolic pathways, delivers more CLA than any competitor, produces six to fifteen times the volume, and holds its freshness longest in storage. For a being that feeds on essence rather than substance, the cow is the clear winner, not because she concentrates the most into each molecule, but because she provides the most usable, most varied, most stable, and most abundant foyson of any dairy animal on earth.

Regarding meat:

Beef's case among meats is similar to cow milk's case among dairy- it does not win every category on raw numbers per serving, but when you look at the full picture through the foyson lens, the totality is overwhelming.

Let me start with where beef does not lead, because again, I think the honesty makes the argument stronger. Goat meat, called chevon, contains nearly double the iron of lean beef in an 85-gram serving, at 3.2 milligrams compared to beef's 1.8 milligrams per the same weight. Goat also carries 2.5 times more copper than lamb, and its riboflavin content runs about twice that of lamb. It is remarkably lean, at less than three percent fat and only 143 calories per hundred grams, roughly half the caloric density of lamb. Lamb, for its part, is rich in omega-3 fatty acids to a degree that some farmers call it "land salmon," and its B12 content matches or exceeds beef at 2.55 micrograms per hundred grams. Lamb also carries higher selenium at roughly double the levels found in goat, and its digestibility is measured at around 90 percent. Chicken, meanwhile, delivers more protein per hundred grams in the lean breast cuts, at about 31 grams compared to beef's 20 to 26 grams.

Where beef pulls ahead of all of them is in the combination of compounds it delivers and in what those compounds do once they enter the body. Beef carries the highest zinc concentrations of any commonly consumed meat, at four to six milligrams per hundred grams. Zinc is the second most abundant trace mineral in meat after iron, it plays a role in over 300 enzymatic processes in the body, and its bioavailability from animal sources is dramatically higher than from plants because it is not subject to the absorption-blocking effects of phytates in grains and legumes. A study published by the Agriculture Institute noted that a single hundred-gram serving of beef provides a substantial percentage of the daily recommended intake for iron, zinc, selenium, and phosphorus simultaneously.

The iron story is more nuanced than raw milligrams suggest. Between 40 and 60 percent of the iron in beef is heme iron, the form absorbed through a separate, more efficient pathway than plant-source non-heme iron. Heme iron is absorbed at a rate of about 30 percent, compared to just 2 to 10 percent for non-heme iron from plants. A study of haem iron content in South African meats measured the heme iron proportion in beef at 77 percent of total iron, in lamb at 81 percent, in pork at 88 percent, and in chicken at 74 percent. Pork has the highest percentage of heme iron relative to its total, yes, but its total iron content is only about 0.81 milligrams per hundred grams, less than half of beef's 1.58 milligrams in the same study. Beef delivers more total iron, and a large proportion of it is in the most absorbable form. Beef also contains the "meat factor," a still incompletely understood property of muscle tissue that enhances absorption of non-heme iron from other foods consumed in the same meal by two to three times. Eating beef alongside vegetables makes the iron in those vegetables more available to the body, which is a remarkable thing for a single food to do.

Beef's B12 content covers more than one hundred percent of the daily requirement in a single hundred-gram serving. Its protein quality, measured by the Digestible Indispensable Amino Acid Score, exceeds 1.0, meaning it surpasses the threshold for complete bioavailability. Beef is the only common meat that delivers meaningful concentrations of creatine, carnitine, and taurine simultaneously, three compounds that are conditionally essential for human function, support everything from energy production to cardiac health to neurological function, and are entirely absent from plant sources.

On the spoilage and foyson-retention side, the pattern is consistent with the dairy data. A 1990 study found that histamine and tyramine formed more rapidly in pork than in beef under identical conditions. A 2013 study measuring biogenic amine accumulation in sausages over 28 days of refrigerated storage found that turkey reached 730 milligrams per kilogram, beef 500, and horse 130. Lamb flora showed higher phenylethylamine decarboxylation capacity than beef in a 2018 analysis published in Foods, and the same study noted that chicken is the first meat to undergo deterioration among the common species. The biogenic amine index, which tracks the sum of histamine, tyramine, cadaverine, and putrescine as markers of freshness loss, consistently places beef as the slowest to spoil among common meats.

Goat is leaner. Lamb is fattier and richer in omega-3. Chicken delivers more protein per gram in the leanest cuts. Beef leads all common meats in zinc, carries among the most absorbable iron with the meat factor that enhances iron from everything else on the plate, the only package of creatine, carnitine, and taurine available in any meat, more than a full day's B12 in one serving, and the slowest spoilage rate of any common meat. It holds its foyson the longest, it delivers the broadest set of bioactive compounds, and it strengthens the body in ways that no other single protein source replicates.

Grass-fed cow butter may be the single most foyson-dense food that exists, you butter believe it! Aha😆

It contains up to five hundred percent more conjugated linoleic acid than grain-fed cow butter, according to research published in the Journal of Dairy Science, which found that cows grazing pasture and receiving no supplemental feed produced milk fat with 500 percent more CLA than cows fed typical dairy diets. In pasture-raised cow butter, CLA levels range from 9 to 25 milligrams per gram of fat. This compound has documented anti-cancer, anti-inflammatory, anti-diabetic, and immune-modulating properties, and in some research it has been shown to reduce abdominal obesity. Butter from grass-fed cows is one of its richest food sources on the planet, and no other commonly available butter approaches these concentrations.

It is also one of the top food sources of vitamin K2, specifically the MK-4 form, which governs where calcium goes in the body, directing it into bones and teeth and out of arteries and soft tissues. A single tablespoon of this butter provides roughly 10 to 15 micrograms of K2, about 15 to 20 percent of the daily adequate intake, and a 2024 Teagasc study published in ScienceDirect confirmed that pasture-fed cow butter carried the highest MK-4 content of any butter tested. K2 is essentially absent from the butter of grain-fed cows, because only cows consuming fresh green grass produce significant quantities of it. Summer grazing enhances K2 content further, because the grasses the cow eats in sunlight carry more of the precursors her rumen converts. Pasture butter is also roughly 26 percent higher in omega-3 fatty acids than conventional butter, carries beta-carotene that gives it its characteristic golden color and converts to vitamin A, and contains butyrate, a short-chain fatty acid with anti-inflammatory properties and documented ability to inhibit cancer cell proliferation.

Goat butter has genuine strengths worth acknowledging. It carries higher proportions of short- and medium-chain fatty acids, specifically caproic, caprylic, and capric acids, which melt at lower temperatures and digest more quickly than the longer chains in cow butter. Goats convert beta-carotene to vitamin A more efficiently than cows, so goat butter delivers about 10 percent of the daily value of vitamin A per tablespoon despite its snow-white color, which comes from the fact that little beta-carotene survives the conversion to reach the milk. Goat butter does contain some K2, because goats naturally browse on grasses, leaves, and bark, but its K2 levels fall significantly below pasture-raised cow butter, and its CLA concentrations are lower for the same reason. The short-chain fatty acids that give goat butter its quick digestibility are the same ones that give it its characteristic "goaty" flavor, which some people love and some find challenging.

Sheep butter carries higher polyunsaturated fatty acids and has a softer texture at room temperature, with a sweeter, more complex flavor profile and higher lactic acid content that makes it popular in skincare as well as cooking. It is a fine butter. A 2022 study published in ScienceDirect directly comparing cow cream butter and sheep cream butter found, however, that cow butter showed improved fatty acid profiles and health indices overall. Sheep butter is nutritious, but it lacks the specific CLA concentrations and K2 levels that make pasture cow butter biochemically unique.

Grass-fed cow butter, produced by a cow eating fresh green grass in sunlight, delivers a concentrated package of CLA, vitamin K2, omega-3 fatty acids, beta-carotene, vitamin A, and butyrate that nothing else in the dairy case replicates at the same levels. If the folklore tells us that faerie peoples preferred butter above almost all other offerings, and it does, across every Celtic tradition I have studied, then the science tells us why. This butter carries more of the essence, more of the foyson, than practically anything else you could leave on the doorstep.

Please note, the cow does not win every nutritional category on raw concentration. Sheep milk is richer per glass in protein, fat, calcium, and zinc. Goat meat carries nearly double the iron of lean beef. Lamb has more omega-3 than beef and matches its B12. Goat butter digests faster than cow butter. These are real advantages, and I think dismissing them would weaken rather than strengthen the argument I am making.

What the cow wins on, every time, is the combination of what she provides and what the body- or the being- can do with it. Cow milk activates broader and more diverse metabolic pathways than goat or sheep milk in controlled conditions. Cow dairy accumulates fewer inflammatory biogenic amines during storage. Beef delivers the only package of creatine, carnitine, and taurine available in any meat, enhances iron absorption from everything else on the plate, and spoils slower than pork, chicken, turkey, or lamb. Pasture-raised cow butter is the leading common food source of both CLA and vitamin K2. And the cow produces six to fifteen times the volume of any competing dairy animal, every single day.

If foyson is the essence, the life-quality, the usable spirit of food- what the body can absorb and activate and be nourished by at the deepest level- then the cow is not simply the densest source of foyson by one measure; she is the most complete source of foyson by the sum of all measures. She provides the broadest activation, the greatest CLA concentrations, the strongest freshness retention, the greatest volume, and the most complete package of bioactive compounds in her meat, her milk, and her butter, all from one animal. No other animal on earth delivers this combination across all three product categories.

Every civilization that recognized this made her sacred. Egypt put her in the temples. India declared her inviolable. The Norse placed her at the origin of all creation. The Irish named their rivers, their epics, and their goddesses for her. I think those civilizations were observing something real, not being sentimental, and I think their instruments were their own bodies and their relationships with the nonhuman peoples around them. What they observed is exactly what the biochemistry now confirms, that this animal sustains life more completely than any other single source.

There is one more connection that I believe is worth naming before I close, and I am going to keep it brief because the full treatment is coming later in this series.

Cow milk and human breast milk share the same dominant form of conjugated linoleic acid, the cis-9, trans-11 isomer, also called rumenic acid. Research has shown that when a nursing mother consumes cow dairy, the CLA content of her breast milk increases measurably, in some studies nearly threefold within forty-eight hours. Mothers who limit dairy show significantly lower CLA in their breast milk, with levels dropping from a range of 0.35 to 0.64 percent of total fatty acids down to 0.14 to 0.41 percent. The cow's foyson, in other words, passes through the human mother and into the child, enriching the milk that sustains the next generation.

I think this matters enormously for the foyson argument, and I think it matters even more when you place it alongside the changeling tradition, in which faerie peoples could not sustain their own young without human breast milk. I am going to go much deeper into that connection in an upcoming entry in this series, because the science and the folklore converge on this point in a way that I believe changes the entire conversation about what foyson is and why certain peoples need it so desperately. For now, I will just say this: the cow feeds the mother, and the mother feeds the child, and without the cow, the chain weakens at both ends.

Stay tuned.

If the cow is the richest source of fresh foyson available to both the human and the nonhuman world, and I believe she is, then the next question is an uncomfortable one for some.. What happens when something or someone needs that foyson badly enough to take it by force? What does it look like when the extraction is not a bowl of cream left at the threshold, not a quiet sipping of essence from a farmer's best butter, but something surgical, something precise, something that leaves behind a body with no blood, no reproductive organs, and no scavenger willing to touch what remains?

In the next installment of this series, we are going to talk about cattle mutilations. I suspect you have some idea where this is heading.