K A S H R U T . C O M_©

Other sources of information

• National Jewish Outreach Program
• KASHRUTH: AN INTERPRETATION FOR THE 20TH CENTURY
• HOW TO MAKE YOUR HOME KOSHER

SOUS VIDE
 

• Some common questions sous vide machines from the OU
  Some of the most common questions regarding sous vide machines involve using a sous vide machine on Shabbos. For example, is there a concern of hatmana (insulating) in leaving food in a sous vide machine on Shabbos?
  
  
• WHAT IS SOUS VIDE?
  Rabbi Levi Schapiro

KASHRUT OF FISH
 

Kosher and Non-Kosher Fish
Reprinted with permission of the Orthodox Union. Originally published in the published by Orthodox Union in Kosher Guide (1991) and in the Orthodox Union Kosher Consumer Directory (1991-1993)


The Fortunes of a Fish
by Rabbi Zushe Yosef Blech

Reprinted with permission of Rabbi Blech. Originally published in the MK Vaad News & Views, Febuary, 2000


Worms in Fish - the Recent Tumult
by Rabbi Moishe Dovid Lebovits, Reviewed by Rabbi Benzion Schiffenbauer Shlita

This article first appeared in Halachically Speaking, Vol 6 Issue 9. Reprinted with permission of the publisher.


Parasites In Fish
by Rabbi Dovid Bistricer

This article first appeared in THE Daf HaKashrus Vol 18 #8 TAMMUZ 5770 / JUNE 2010, a monthly newsletter for the OU Rabbinic Field Representative. Reprinted with permission of the publisher.


Opening Up A Can of Worms: The Anisakis Controversy
by Rabbi Tzvi Rosen, Editor, Kashrus Kurrents

his article first appeared in Summer 2010 Kashrus Kurrents, Reprinted with permission of the Star-K

KASHRUT OF VEGETABLES
 
So That They Will Endure For Many Years
by Rabbi Zushe Yosef Blech
Reprinted with permission of Rabbi Blech. Originally published in the MK Vaad News & Views, August 2000


Can It Be Kosher?
by Rabbi Tzvi Rosen, Editor Kashrus Kurrents
Reprinted with permission. Originally published in the Star-K Kashrus Kurrents, Fall, 2000


A Fungible Feast, Mushrooms In Halacha
by Rabbi Zushe Yosef Blech
Reprinted with permission of Rabbi Blech. Originally published in the MK Vaad News & Views, April, May, 2002.

KASHRUT OF MILK
 
Cholov Ha-Companies
by Arlene J. Mathes-Scharf


Rav Moshe Zt'l's Heter of Cholov Stam Revisited
by Rabbi Avrohom Gordimer - OU Rabbinic Coordinator Dairy
Reprinted by permission from Daf HaKashrus.


Cholov Stam: An Update from the Farm (and Lab)
by Rabbi Avrohom Gordimer - OU Rabbinic Coordinator Dairy
Reprinted by permission from Daf HaKashrus.

KASHRUT OF MEAT
 

Halachic Insights into Genetically Engineered Meat
By: Rabbi Yehuda Spitz
Reprinted with permission of the Author and Ohr Somayach This article was written L'iluy Nishmas the Ohr Somayach Rosh HaYeshiva - Rav Chonoh Menachem Mendel ben R' Yechezkel Shraga and l'zechus Shira Yaffa bas Rochel Miriam v'chol chalatzeha for a yeshua sheleimah.
No Horse Play With Kashrus
By: Rabbi Chanoch Kesselman
Reprinted with permission of Rabbi Chanoch Kesselman, Executive Coordinator, Union of Orthodox Hebrew Congregations of The United Kingdom and Commonwealth.
What's the Truth about Nikkur Achoraim?
By: Rabbi Ari Z. Zivotofsky, Ph.D.
Reprinted with permission from the the OU.

 

The Halachic Tale of Three American Birds: Turkey, Prairie Chicken, and Muscovy Duck
By: Rabbi Ari Z. Zivotofsky, Ph.D.
Reprinted with permission from The Journal of Halacha and Contemporary Society,  (Succot 5764/Fall 2003, vol 46, pages 81-104), published by The Rabbi Jacob Joseph (RJJ) School of Staten Island.

 

What's the Truth About Giraffe Meat!
By: Rabbi Ari Z. Zivotofsky,** Ph.D.
,This article first appeared in JEWISH ACTION Fall 5761/2000 and is © Copyright 2000 by the Union of Orthodox Jewish Congregations of America. It is reprinted here with permission of the publisher.

 

What's the Truth About... Glatt Kosher 
By: Rabbi Ari Z. Zivotofsky,** Ph.D.
This article first appeared in JEWISH ACTION Winter 5760/1999, Reprinted with permission from Union of Orthodox Jewish Congregations of America

 

Kashrut of Exotic Animals: The Buffalo
By: Rabbi Ari Z. Zivotofsky,** Ph.D.
Reprinted with permission from The Journal of Halacha and Contemporary Society,  Fall, 999/Sukkot 5760, Number XXXVIII, published by The Rabbi Jacob Joseph (RJJ) School of Staten Island.

 

Is Turkey Kosher?
By: Rabbi Ari Z. Zivotofsky, Ph.D.
Reprinted with permission from The Journal of Halacha and Contemporary Society, Spring 1998, Vol. 35:79-110 published by The Rabbi Jacob Joseph (RJJ) School of Staten Island.