11. Dilatation and displacement of forestomachs, their lesions of continuity Flashcards
PM changes of forestomachs
pm distension
maceration of ep layer
dislocations of forestomachs
evantratio proventriculi hernalis (subcutan)
evantratio proventriculi diaphragmatica (thorax)
torsio ruminis
flexio omasi
abnormal content of forestomachs
pseudoconc
foreign body
sand
lesions of continuity in forestomachs
spontaneous rupture
perforation due to foreign body
(rib, stab, hardware disease)
consequence of lesions of continuity in forestomachs
reflex atony due to pain
circumscribed or diffuse peritonitis
pericarditis, pneumonia, pleuritis
metastatic abscess to liver
blood vessel perforation
acute local fibrinous peritonitis
chronic local peritonitis
traumatic pericarditis
day 2-3 of reticuloperitonitis
first dividing fibroblasts
day 5-7 of reticuloperitonitis
first collagen fibres
week 2 of reticuloperitonitis
granulation tissue
week 3 of reticuloperitonitis
fibrous granulation tissue
week 4 of reticuloperitonitis
first appearance of elastic fibres
week 2-3 of reticuloperitonitis
adhesions btw serous membranes
week 6 of reticuloperitonitis
2-3cm thick connective tissue
week 8 of reticuloperitonitis
5-6cm thick CT
causes of forestomach atony
cooling
physical overexertion
sudden, ungraded change in feed
acidossi
physical effect
circulatory disturbance
proventriculitis
overstretching ruminal musculature
acute distension of forestomachs
frothy bloat
foaming of rumen content
high concentrate rations of legume