The sire of the litter doesn't appear to be brindle, but his dam was brindle, so I'm guessing he's either a carrier or it's hidden by his colour.. At least in horses, dilutions can "hide" other traits, so I'm guessing that might have happened with him.. Am I completely wrong here? All 11 babies are broken. In total there were 3 blues, two darker brindles, two blacks, one chocolate, the one female I posted the picture of at the start, and two that were mostly white so it is hard to tell what they are.
So you're saying she's blue and yellow brindle, as opposed to her darker brothers, which would be black and orange? Here's the two dark brindles from the same litter:
He almost looks agouti, but you could see his distinct stripes when his fur was coming in