An animal should be given the opportunity to eat whenever it works with produce, whether the produce is still attached to the ground or has been harvested. Similarly, it may partake of produce from the burden it is carrying until it has been unloaded, provided that the person caring for the animal does not take the produce in his hand and feed it.
Whoever prevents an animal from eating while it is working should be punished by lashes, as Deuteronomy 25:4 states: "Do not muzzle an ox while threshing." The prohibition applies to an ox and to all other species of animals and beasts, whether a kosher animal or a non-kosher animal. Similarly, it applies with regard to threshing and all other types of work with produce. The Torah speaks about an ox threshing only to mention the most common instance. An employer is not liable if he muzzles a worker. He is, however, liable for muzzling an animal. This applies whether he muzzles the animal while he is working with it or muzzles it beforehand and works with it while muzzled. He is liable even if he "muzzles it" with his mouth. When a person rents an animal, muzzles it and then threshes with it, he receives lashes and must pay the owners the value of four kabbin of grain for a cow, and three kabbin for a donkey. Although generally a person does not receive both lashes and a financial penalty for the same transgression, an exception is made in this instance, because the renter was obligated to provide the animal with its sustenance from the time he pulled it after him, and he is not liable for lashes until he threshes with the animal while muzzled.
🐄 Animal's Right
Animals may eat from produce — attached or detached — while working with it, including from loads they carry until unloaded. The prohibition against muzzling applies to all animals and all agricultural labor (not just threshing oxen — that is just the common case). A renter who muzzles a hired ox and threshes is both lashed and pays restitution (four kav for a cow, three for a donkey) — an exception to the rule that one receives only one of the two penalties.
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Who Violates the Muzzling Prohibition and Who Doesn't
When a Jew threshes with a cow belonging to a gentile, he is subject to violating the prohibition against muzzling. When, by contrast, a gentile threshes with an ox belonging to Jew, he is not subject to violating this prohibition. If a Jew tells a gentile: "Muzzle my ox and thresh with it," a thorn becomes lodged in the ox's mouth and he threshes with it so it does not eat, he places a lion outside the threshing floor, he places the animal's son outside the threshing floor, he does not provide the animal with drink when it is thirsty, or spreads a hide over the grain so that it will not eat - all of these and similar acts are forbidden, but the person does not receive lashes. When the produce with which the animal is working is bad for its digestion and will damage the animal's health or when the animal is sick and eating will cause it to become diarrheic, it is permitted to prevent the animal from eating. The rationale is that the Torah enacted this prohibition so that the animal would benefit, and in such an instance it does not benefit.
When a priest is threshing grain that is terumah or grain that is definitely terumat ma'aser with a cow that belongs to an Israelite, he is not subject to violating the prohibition against muzzling them. This law also applies when cows thresh grain that is ma'aser sheni and when cows veer from the path. Nevertheless, because of the impression that might be created, when the cows are threshing grain that is terumah or ma'aser sheni the worker should bring that type of grain and place it in the food sack hanging below their mouths.
When a person muzzles a cow that is threshing produce that is ma'aser sheni which is demai terumat ma'aser which is demai or produce that grew from terumah he violates the prohibition against muzzling the animal.
🚫 Muzzling Rules
A Jew threshing with a gentile's animal violates the prohibition. A gentile threshing with a Jew's animal does not. Indirect muzzling (thorn in mouth, frightening lion outside, withholding water, spreading hide over grain) is forbidden but not lashed. Exception: if the produce harms the animal's digestion or health, preventing eating is permitted — the Torah cares about the animal's benefit, not just its desire.
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Strategies to Influence Eating — Legitimate and Illegitimate
The owner of an ox is permitted to make his animal hungry and aggrieve it so that it will eat a large quantity of the grain that it is threshing. Conversely, the renter of the ox may feed it hay so that it will not eat a large quantity of the grain that it is threshing. Similarly, an employer may provide his workers with wine so that they will not eat many grapes. Conversely, the workers may dip their bread in brine so they will eat many grapes. A worker may not, however, perform work at night and then hire himself out during the day, or work with his ox in the evening and then rent it out in the morning. Similarly, he should not starve and aggrieve himself and give his food to his sons, because this leads to stealing from the work due his employer, for his energy will be sapped and his thinking unclear, and he will not be able to perform his work robustly.
🍞 Legitimate Influence
The owner may starve the animal beforehand so it eats more during threshing (permissible — no muzzle). The renter may pre-feed hay so it eats less during threshing (permissible). Employers may provide wine to workers to reduce grape eating. Workers may dip bread in brine to eat more grapes. But a worker may not work at night and hire himself out by day — this weakens him and robs the employer of full-strength labor.
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Workers' Obligations: Full Effort, Time Discipline, and Jacob's Example
Just as the employer is warned not to steal the wage of the poor person or to withhold it from him, the poor person is forewarned not to steal from the work due his employer and neglect his work slightly here and there, spending the entire day in deceit. Instead, he is obligated to be precise with regard to his time. The importance of such preciseness is indicated by our Sages' ruling that workers should not recite the fourth blessing of grace, so as not to neglect their work. Similarly, a worker is obligated to work with all his strength, for Jacob the righteous man said Genesis 31:7: "I served your father with all my strength." Therefore, he was granted a reward even in this world, as indicated by ibid. 30:43: "And the man became prodigiously wealthy." Blessed be God who grants assistance.
💪 Worker Integrity
The worker's duty mirrors the employer's: just as the employer must not steal wages, the worker must not steal work time. Workers must be precise about time — the Sages even discouraged the fourth blessing of Birkat Hamazon during a work break. A worker must give full strength, as Jacob declared: 'I served your father with all my strength.' This integrity brought him worldly reward as well.
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🎓 Key Principles
Chapter 13
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Animal Welfare as Biblical Law The prohibition on muzzling is not sentimentality — it is biblical law. The Torah considers it cruel to deny an animal the pleasure of eating from the produce of its labor. This reflects the Jewish principle of preventing tzaar baalei chaim (suffering of living creatures).
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Mutual Obligations Run Both Ways The final halacha of this entire section draws a symmetry: the employer must not withhold wages; the worker must not withhold effort. The employment relationship is a covenant of mutual integrity, not just a legal transaction.
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Influence vs. Coercion Pre-feeding hay or pre-starving the animal affects its eating without violating the prohibition — no muzzle is used. Similarly, offering wine to workers affects their grape eating without violating their rights. There is a sharp legal distinction between influence (permitted) and compulsion (forbidden).
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Work Ethic as Religious Value The Rambam closes Hilchot Sekhirut with Jacob's declaration of full-effort work. Laboring with full strength is not just contractual — it is a religious and moral obligation. The reward: worldly success follows authentic integrity.