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GI Pathology: Ruminant Forestomach - Coggle Diagram
GI Pathology: Ruminant Forestomach
ruminal tympany
aka "bloat"
types
primary "frothy" bloat
feedlot bloat
pasture/legume bloat
soluable leaf proteins are foaming agents
pH 5-6 ideal for foam formation
bacterial overgrowth
methane and CO2
slime production
pockets of gas become trapped in slime and bacteria
other abdominal viscera compressed
increased thoracic pressure
secondary
obstructive
foreign body
tumor
functional
damage to vagus n.
organophosphate toxicosis
no froth present
bloat line
foreign bodies
trichobezoars
phytobezoars
traumatic reticuloperitonitis/pericarditis
hardware dz
perforation of reticulum by wire
focal or local extensive peritonitis +/- pericarditis
rumenitis
viral
IBR
contagious echtyma
BVD
MCF
bluetongue
ruminal lactic acidosis
synonyms
grain overload
rumen overload
heavy ingestion of fermentable carbs
overgrowth of gram+
Strep bovis
and lactobacillus
carbs ferment into lactic acid
ruminal pH is lowered
rumen mucosa damaged
destroys protozoa and rumen microflora
complications
chemical injury
secondary bacterial rumenitis
sepsis
liver abscess/necrosis
mycotic rumenitis
vagal indigestion
CN X
controls
swallowing
parasympathetic innervation of
heart
GI
lungs
types
I
perineural inflammation
pneumonia
II
omasal failure
lymphoma
hardware dz
III
roughage impaction
DA
IV
pregnancy