The prohibition against this practice, outside of Israel: Kiddushin 39a
Whether these laws against interbreeding species apply to birds: Keritot 21b Substituting [temurah] an animal for the interbred child of a Temple offering: Temurah 17a Substituting [temurah] an animal born of interbreeding for an offering, or substituting an animal for an offering which is the result of interbreeding: Temurah 11a, 17a
What happens if an interbred animal is mixed up with eligible offerings: Temurah 28a
What happens if an interbred animal is placed on the mizbeiach: Zevachim 27b