First, absence of proof is not proof of absence. As I don't write the manga, I can't set up fights that allow me manga pages to cite. Please answer this. Do you honestly believe that a transformed human and ninja dog would look the same to a Byakuugan or some other sensor type? This is what sensor ninja do, they see past this type of deception. Kiba is a sensor ninja.
Second, the transformation technique is not the same. Kiba, a genin, saw through the above transformation, yet elite jounin sensor ninja are not detecting the white Zetsu. We know for a fact that the biggest problem that we're aware of is that the white Zetsu perfectly mimic chakra; thus unlike Naruto and a dog the sensory ninja can't tell them apart from the original.
Now, as you demand pages from the manga, please provide me with ones that state that the white Zetsu cannot mimic scent. Can you prove that or do you just believe it? If you just believe it, you're in no stronger position than I am. If you have proof in the manga that I missed (apologies), you have leverage. Here, if you don't have proof, you can use absence of proof is not proof of absence. Further, we don't know the full limitations of the white Zetsu clone technique as it's fairly new and only been used a few times.
Here I have not posted any sophisticated logic or science; rather, it's all very basic and straightforward. Basic logic is acceptable in the absence of manga pages as Kishimoto will not write about everything that ever happens or could happen. These are theories, as such they are based on assumptions, such as that the white Zetsu will have a distinct scent; thus, you theorize Shikaku will use Kiba's clan to root them out by their scent. If the assumption is wrong, the theory is invalid. If the assumption is not used in the manga, it's irrelevant. That's how theories work.
Peace.
Edit: Too bad this is going down on a weekend because people are missing some good action.