Kosher beef comes from cattle that have been slaughtered, inspected, and processed according to Jewish dietary law (kashrut). The animal itself must be a ruminant with split hooves, which cattle are, but that’s only the starting point. What actually makes beef kosher is a chain of specific requirements covering how the animal is killed, how its organs are examined, how certain parts are removed, and how the meat is prepared before it ever reaches your kitchen.
Which Animals Qualify
Jewish dietary law permits only animals that both chew their cud and have cloven (split) hooves. Cattle, sheep, goats, and deer all meet both criteria. Pigs have split hooves but don’t chew cud, so pork is never kosher. Beyond the species requirement, the animal must be healthy at the time of slaughter. Cattle that died of natural causes, were killed by predators, or have certain diseases or organ defects are automatically disqualified.
How the Animal Is Slaughtered
The slaughter method, called shechita, is performed by a trained slaughterer known as a shochet. The shochet uses a specialized knife called a chalaf, which must be perfectly smooth with no nicks or imperfections. The blade is checked before and after every single animal to confirm this. A nick in the blade would cause unnecessary pain and immediately render the meat non-kosher.
The cut itself follows five rules, and violating any one of them disqualifies the meat. The knife must move in a continuous, uninterrupted sweep across the throat with no pausing or hesitation. It must use a back-and-forth drawing motion, not a chopping or pressing action. The knife cannot be stabbed into the neck or hidden under the hide. The cut must land within a specific zone on the throat, roughly between the windpipe and the top of the lungs. And neither the esophagus nor the trachea can tear during the incision. The shochet examines the cut immediately afterward to confirm every rule was followed.
U.S. law protects religious slaughter, and the American Veterinary Medical Association includes specific welfare guidelines for kosher operations. These guidelines call for calm handling, upright restraint (rather than shackling and hoisting), and confirmed loss of sensibility before any further processing begins.
The Lung Inspection
After slaughter, the animal’s internal organs are examined for defects. Lesions, punctured organs, broken limbs, or signs of a previous animal attack all disqualify the carcass. These inspections often go beyond what USDA health standards require.
The lungs get special attention. An inspector checks them by hand while they’re still inside the animal, then removes them for a visual examination. The concern is adhesions: abnormal attachments between sections of the lung or between the lung and the chest wall. These adhesions may indicate a perforation, either one that has already formed or one likely to develop. A hole in the lung makes the animal treif (non-kosher).
This is where the term “glatt” comes in. Glatt is Yiddish for “smooth” and describes lungs that are free of significant adhesions, feeling smooth to the inspector’s touch. Glatt kosher beef has passed this inspection cleanly. Non-glatt beef may still technically be kosher for some communities if the adhesions come off with very gentle handling and the lung holds air without leaking, but in practice, most kosher beef sold today is labeled glatt. One notable detail: young animals like calves and lambs are held to an even stricter standard and must have no adhesions at all.
Removing Forbidden Parts
Even after slaughter and inspection, the carcass isn’t ready yet. A process called nikkur removes parts that Jewish law prohibits eating. This includes the sciatic nerve (rooted in a biblical story about Jacob wrestling an angel), certain internal fats surrounding the organs, the kidneys, and the intestines. All large arteries and veins are also stripped out, along with any bruised meat or coagulated blood. This is partly why kosher beef tends to come from the front quarters of the animal. The hindquarter contains the sciatic nerve, and removing it is so labor-intensive that many producers simply sell those cuts to the non-kosher market instead.
Removing the Blood
Jewish dietary law strictly prohibits consuming blood. After the forbidden parts are removed, the meat goes through a multi-step preparation called melichah (salting) to draw out any remaining blood.
First, the meat is rinsed. Then it soaks in room-temperature water for at least 30 minutes. If meat is accidentally left soaking for a full 24 hours, it becomes non-kosher and must be discarded. After soaking, the meat is inspected for visible blood, shaken to remove excess water, and allowed to sit briefly so the surface is damp but not dripping. Coarse salt is then applied on all sides. After the salt has done its work, the meat is rinsed thoroughly three times. Only after this process is the beef considered fully koshered.
What Kosher Certification Symbols Mean
Kosher beef packaging carries a certification symbol, called a hechsher, from a rabbinical organization that supervised the entire process. The most widely recognized is the OU symbol from the Orthodox Union. On meat products, you’ll typically see “OU-Meat” or “OU-Glatt,” indicating the product is certified kosher meat. An “OU” by itself (without a meat or dairy designation) means the product is pareve, containing no meat or dairy. “OU-D” means dairy. Several other certification agencies exist, each with their own symbols, but they all represent the same basic assurance: a trained supervisor verified that every step, from slaughter through processing, met kosher standards.
Why Kosher Beef Costs More
The price difference between kosher and conventional beef reflects the labor behind every step. A trained shochet performs and inspects each cut individually. A second inspector examines the lungs and organs by hand. Skilled workers remove the sciatic nerve, forbidden fats, and blood vessels. The meat then goes through the soaking and salting process. Animals that fail inspection at any stage are rejected from the kosher supply, meaning producers absorb losses that conventional operations don’t face. The hindquarter issue compounds this: much of the animal’s usable meat gets diverted to non-kosher sales, so fewer retail cuts come from each carcass. All of this, plus the cost of ongoing rabbinical supervision, adds up at the register.