The Book of Genesis refers to young goats by the Hebrew phrase g'di izim,[23] but the prohibition against boiling a kid... only uses the term g'di (גדי). Rashi, one of the most prominent talmudic commentators, argued that the term g'di must actually have a more general meaning, including calves and lambs, in addition to young goats.[24] Rashi also argued that the meaning of g'di is still narrow enough to exclude birds, all the undomesticated kosher animals (for example, chevrotains and antelope), and all of the non-kosher animals.[25] The Talmudic writers had a similar analysis,[26] but believed that since domesticated kosher animals (sheep, goats, and cattle) have similar meat to birds and to the non-domestic kosher land-animals, they should prohibit these latter meats too,[27] creating a general prohibition against mixing milk and meat from any kosher animal, excepting fish.[14]