Screening questionnaire

Where does your dog live? *

Your dog's date of birth (best guess is fine) *

Spayed or neutered? *

Current weight (lb) *

A recent vet weight or your best estimate.

Which best matches your dog's body shape? *

1UnderweightRibs and hips jut out2IdealVisible waist, ribs outlined, belly tucks up3OverweightSlight waist, ribs covered4Very overweightWaist barely visible, fat on back5ObeseNo waist, lots of fat6Severely obeseBelly bigger than chest

Has this dog, or another dog at this address, joined one of our studies before? *

Only one dog per household can join a study.

What does your dog mainly eat? (select all that apply) *

Is any of it a prescription, hydrolyzed, or novel-protein diet? *

When did you last change your dog's main food (brand or type, not amount)? *

How long has the loose stool been going on? *

Which picture best matches your dog’s stool over the last week? *

1Very hard and dry, pellets2Firm, well formed, leaves little residue3Log-shaped, moist surface, holds form4Very moist, log-shaped, leaves residue5Very moist but has distinct shape, leaves residue6Has texture but no defined shape, piles or spots7Watery, no texture, puddles

Which pattern fits best? *

In a typical week, on how many days is the stool soft, loose or watery? *

How often does your dog poop, compared with what is normal for them? *

When your dog poops, what do you notice? (select all that apply) *

Over the last week, how would you describe your dog’s stool consistency overall? *

Has your dog lost weight in the last 4 weeks? *

How often does your dog vomit? *

Appetite lately? *

Energy and mood lately? *

Will you keep the same main food and report any changes to treatment? *

Can you complete a one-week daily stool diary, then give a capsule daily for six weeks with daily diary entries and weekly check-ins? *

Loud gut noises or a lot of gas? *

Does the diarrhea get better or worse with food changes? *

Has your dog been on a strict hydrolyzed or novel-protein diet trial for 4 or more weeks? *

Has your dog ever been given metronidazole or tylosin for this? What happened? *

Has your dog tried a probiotic before? What happened? *

Does your dog also have itchy skin or recurrent ear problems? *

Does your dog scavenge, eat poop or drink from puddles, lakes or streams? *

What has your vet already done for this? (select all that apply) *

Did your vet give the problem a name? *

Has your dog had surgery in the last 3 months, or is one planned? *

Does your dog have any of these diagnosed conditions? (select all that apply) *

In the last 48 hours, has your dog had any of these? (select all that apply) *

Has your dog lost noticeable weight in the last 3 months without trying? *

In the last 30 days, has your dog taken any of these? (select all that apply) *

How did you hear about this study?