What is Displaced Abomasum and How is it Related to Metabolic Health?
Displaced abomasum (DA) is a common metabolic disorder in dairy cows, particularly during the transition period. It occurs when the abomasum (the fourth stomach compartment) moves from its normal position, leading to digestive issues and reduced milk production.
Types of Displaced Abomasum
- Left Displaced Abomasum (LDA): More common and less severe, but still requires prompt attention.
- Right Displaced Abomasum (RDA): Less common but more severe and can be life-threatening.
Causes and Risk Factors
- Negative Energy Balance: High levels of NEFA and BHB indicate energy deficiency, which is a major risk factor for DA.
- Poor Nutrition: Inadequate fibre intake and sudden dietary changes can contribute to the development of DA.
- Other Health Issues: Conditions like ketosis and hypocalcemia increase the risk of DA.
Symptoms of Displaced Abomasum
- Decreased Appetite: Reduced feed intake and rumination.
- Reduced Milk Production: Significant drop in milk yield.
- Physical Discomfort: Signs of pain, such as restlessness and kicking at the abdomen.
- Metabolic Indicators: Elevated NEFA and BHB levels.
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