Lecture 10: ruminal lactic acidosis case studies Flashcards
What is a normal rumen pH
6.5
What type of diet would cause ruminal lactic acidosis
High grain
What can you conclude from this blood gas analysis
PH= 6.817 (acidosis, normal blood pH 7.45)
PCO2 elevated normal 36-40
HCO3-: very low, should be 24
Conclusion: metabolic acidosis
What does ruminal lactic acidosis do to bacteria profile
Kills good bacteria, gram -
Promotes growth of bad, gram +
Explain dehydration in animal with rumen lactic acidosis when rumen is full of fluid
Lactic acid will have osmotic effect and pull water into rumen, dehydrating animal
Why do animals with ruminal lactic acidosis have cortical blindness (absent menace, present PLR)
Can get secondary polioencephalomalacia due to thiamin deficiency (decrease B1) decrease glucose metabolism in brain
How do gram + bacteria potential acidosis
Create more lactic acid
What causes rumen atony
Increase VFA and LA
Why do cattle with ruminal lactic acidosis get diarrhea
Osmotic pull of water into GI tract
How can ruminal lactic acidosis affect liver
Lactic acid is highly corrosive and promotes gram + bacteria which can travel to liver via portal vein and cause liver abscesses and endotoxemia
What treatments can we do to remove undigested carbohydrates in ruminal lactic acidosis
- Stomach tube and pump out
- Ruminal Lavage
- Magnesium hydroxide PO
What treatments can we do to correct systemic and ruminal acidosis
- Isotonic sodium bicarbonate IV
- Magnesium hydroxide PO
How can we replace fluid and electrolytes in ruminal lactic acidosis
Isotonic polyionic fluids In spiked with calcium and potassium
How can we reduce the endotoxemia effects caused by gram + bacteria
Activated charcoal
How can we restore ruminal environment in ruminal lactic acidosis
- Ruminal fluid transplant
- Grass hay
