Metabolic Diseases Flashcards
Metabolic Diseases/Nutritional Disorders are more common around…
parturition or peak lactation
If the abomasum moves to an abnormal position, normally to the left side, is called///
displaced abomasum (DA)
Where is the normal position of the abomasum?
Right side
What are symptoms of DA?
discomfort/pain reduce feed intake/reduced vol. of feces reduced milk yield dark colored feces "ping" sound when auscultating
Preventing DA…
dry cows diet should contain adequate fiber in amount and particle size
gradual adjustment of cows to diets high on cereals
When a cow has impaired Carbohydrate and VFA metabolism, high blood ketone levels and low blood glucose, you get…
Ketosis (Acetonemia)
Ketosis is common in…
high producing cows
as a complication of placenta retention or metritis
Symptoms of Ketosis…
reduced feed intake and milk yield cows appear starved, depressed and dull acetone odor in breath, milk and urine weight loss unexplained increase in milk fat content inactive rumen
Causes of ketosis…
glucose needed for maintenance is drained through milk production
inadequate energy intake at calving
Treatment of Ketosis…
oral dextrose to increase blood glucose levels
drenching: oral admin of propylene glycol to provide glucose precursors
Preventing Ketosis…
avoid over-feeding/over-conditioning of cows increase grain after calving avoid abrupt ration changes feed good quality forages do drenching as a routine!
What is Grass Tetany…
inadequate levels of Magnesium
Commonalities of Grass Tetany…
most common in lactating animals grazing on rapidly growing lush pastures during the beginning of pasture season
Grass Tetany symptoms…
stiff movement
loss of appetite
frequent urination
convulsions
Causes of Grass Tetany…
grazing lush, spring pastures with wheat or rye with low levels of magnesium and high levels of K+
