I haven't personally noticed that food has anything at all to do with the genetics that are thrown. I have found that some chinchillas are more likely to throw the Ebony gene than others, though.
As an example, I have a Dark Ebony male and a Standard female paired. They have had nine kits together and every one of them has been an Ebony. However, I briefly paired the Dark Ebony male with a Mosaic female and I paired the Standard female with a TOV Dark Ebony male. I found that the Dark Ebony/Mosaic pair threw one Ebony and one White Ebony kit and that the TOV Dark Ebony/Standard pair threw two Standard kits.
Obviously, my Dark Ebony male throws Ebony VERY well, having never produced a kit that didn't show the Ebony gene. On the other hand, the TOV Dark Ebony male did not throw Ebony as well. When he was paired with another Ebony, they produced seven Ebonies and one Standard.
