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Related Concept Videos

Ascites01:19

Ascites

DefinitionAscites is the buildup of fluid inside the peritoneal cavity. It occurs when fluid moves out of the vascular system faster than the peritoneal lymphatics can remove it. This fluid shift is most commonly seen in liver cirrhosis but can also appear in several other systemic disorders.EtiologyCirrhosis remains the leading cause of ascites. Other conditions that can contribute include:Heart failureConstrictive pericarditisAbdominal cancersNephrotic syndromeSevere protein–calorie...

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Ascites in meat-type ducklings.

R J Julian1

  • 1Houghton Poultry Research Station, Cambridgeshire, England.

Avian Pathology : Journal of the W.V.P.A
|January 1, 1988
PubMed
Summary
This summary is machine-generated.

Ascites in ducks is often caused by right ventricular failure (RVF). A higher right ventricle to total ventricle (RV/TV) ratio in ducks indicates RVF, a common issue in meat-type ducks at slaughter.

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Area of Science:

  • Veterinary Pathology
  • Avian Medicine
  • Cardiovascular Physiology

Background:

  • Ascites is a significant issue in meat-type ducks, leading to condemnations at processing.
  • Understanding the causes of ascites is crucial for improving duck health and welfare.
  • Previous studies have identified right ventricular failure (RVF) as a cause in broiler chickens.

Purpose of the Study:

  • To investigate the causes of ascites in ducks condemned at a processing factory.
  • To determine the relationship between the right ventricle to total ventricle (RV/TV) ratio and different causes of ascites.
  • To identify the most common cause of ascites in meat-type ducks at slaughter.

Main Methods:

  • Hearts were collected from ducks at a processing factory.
  • Hearts were categorized from randomly selected ducks and those condemned for ascites.
  • The right ventricle to total ventricle (RV/TV) ratio was measured for each heart.
  • Ducks with ascites were grouped based on suspected underlying conditions: RVF, hepatic amyloidosis, or peritonitis.

Main Results:

  • Normal ducks had a mean RV/TV ratio of 0.188 (less than 0.230).
  • Ducks with ascites due to RVF had a significantly higher mean RV/TV ratio of 0.336 (greater than 0.283).
  • Ducks with ascites secondary to hepatic amyloidosis or peritonitis had a mean RV/TV ratio of 0.202, similar to normal ducks.

Conclusions:

  • Right ventricular failure (RVF) is the most common cause of ascites in meat-type ducks at slaughter.
  • The RV/TV ratio is a useful indicator for diagnosing RVF as a cause of ascites in ducks.
  • Findings are consistent with RVF being a primary cause of ascites in poultry, similar to broiler chickens.