This week we will learn how to identify kosher birds, since the Torah only lists the 24 non-kosher species rather than giving positive signs. We will also learn that eggs of non-kosher birds are Biblically forbidden. The Gemara also teaches the simanim for kosher fish (fins and scales), followed by a discussion of forbidden creeping creatures including snakes, scorpions, beetles, centipedes, and their like, which are all prohibited.

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This week we will continue learning about treifos, focusing on internal organs, debating whether missing or diseased kidneys render an animal a treifah, and then transitioning to the treifos unique to birds, including piercing of the kurkevan (gizzard) versus the zefek (crop). We will then learn about the simanim (identifying signs) of kosher animals, birds, locusts and fish.

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This week we will continue learning which injuries, diseases, and organ defects render an animal a treifah and which do not. The Gemara examines specific cases organ by organ: lungs, stomach, kidneys, spine, and more, debating the precise thresholds of size, location, and severity that determine kosher status.

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This week we will begin to examine treifot (conditions that render an animal forbidden even after proper slaughter), particularly defects or injuries to internal organs like the trachea, esophagus, and other vital structures. Throughout, the Gemara debates the criteria distinguishing a wound that’s survivable from one that’s fatal, often citing cases brought to sages for rulings.

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We will learn about the laws of purity as they apply to food, focusing on the requirement that food be “prepared” through contact with one of seven liquids before it can become susceptible to impurity. We will then learn about the role of owner’s intent in designating something as food. The Gemara then discusses shechita performed for the sake of idol worship, with a dispute about whether one person can render forbidden an animal that belongs to someone else, and whether partial cutting of the simanim with idolatrous intent is sufficient to prohibit the animal.

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This week we will begin Perek Ha’Shochet (the second chapter), establishing the foundational rules of how much of the simanim (windpipe and esophagus) must be cut for valid shechita, a majority of one siman for birds and two for animals. We will then learn the precise technical requirements of the cut itself, analyzing what counts as a “majority,” whether half equals a majority for purposes of treifah versus shechita, the laws of shehiyah (pausing mid-cut), and how long the knife must be — concluding it must extend beyond the length of the neck.

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This week the Gemara contrasts shechita with melikah (nape-nicking of bird offerings), detailing what is kosher for one but invalid for the other. We will then learn about disqualifications of Kohanim versus Leviyim (blemishes vs. age), and then shift to the tumah laws of earthenware vessels. The Gemara then debates the status of temed (water soaked through grape residue), whether it is treated as water or wine for Ma’aser Sheni and Mikveh purposes.

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This week we will discuss three main areas within the laws of shechita: the role of intent (focusing on whether a minor’s actions and kavanah have Torah or Rabbinic validity, and whether conscious intent is required for kodshim), the requirements for a valid slaughtering instrument (the knife must be detached, with debate over wheels and re-attached knives, alongside a historical discussion of whether basar nechirah was ever permitted in the desert), and the laws of hagramah (cutting in the wrong location on the neck).

For more info or to visit the main shiur page please visit ⁠https://webyeshiva.org/course/daf-yomi-one-week-at-a-time-chulin/