Reference for Keritot 42:24

אילימא כלאים דהרבעה וכלאים דחרישה והתנן

- Replied R'Zera: If the warning related to reptiles, he incurs stripes; if to blood, he is exempt.<span class="x" onmousemove="('comment',' The blood of a reptile is prohibited as being part of the flesh, cf. supra 4b; as blood, however, it is not subject to a special prohibition. It therefore depends on the warning, which has to be precise and comprehensive, that was administered to the transgressor at the time of eating, as to whether he incurs stripes or not.');">¹⁶</span>

Jastrow