Back atrophy, wasting
Back hypoesthesia, anesthesia
Back or thoracic crepitation, crepitus chest, ribs
Back pain
Back spasms, myoclonus
Back swelling, mass back region
Bilateral ping, auscultable gas filled viscus both sides
Blepharospasm
Blindness
Bloat in ruminants, tympany
Bloody milk, red, pink, brown milk
Bloody stools, feces, hematochezia
Bone exposure forelimb
Bone exposure hind limb
Bone exposure, back, thorax, chest, ribs
Bone exposure, head face region
Bone exposure, limbs, legs, foot, feet in birds
Bone exposure, wings
Bradycardia, slow heart beat or pulse
Broken, damaged feathers
Brown color, mucous membranes
Bruit, murmur, thrill, non-cardiac region, peripheral
Bundle branch block, left, right or bifascicular
Bunny hopping
Buphthalmia, enlarged globe eye, glaucoma