Winter and spring broiler breeders guard against ascites
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Ascites in broilers is a common and serious condition characterized by the abnormal accumulation of fluid in the abdominal cavity. It is also known as heart failure syndrome or broiler ascites syndrome. This disease poses a significant threat to poultry farming, often leading to high mortality rates among affected birds. Early detection and management are crucial to minimizing losses.
The condition typically manifests around 30 days of age. Affected chickens may show signs such as lethargy, reduced appetite, drooping wings, fluffed-up feathers, and a drowsy appearance. Their comb and wattles may appear pale or even cyanotic. Some birds may experience diarrhea. In severe cases, the skin becomes reddened, and breathing becomes rapid, although body temperature remains normal.
During post-mortem examination, the most notable findings include a swollen abdomen, a sagging belly, and a thin, shiny, or purplish appearance of the abdominal wall. The birds often move slowly, resembling penguins, and the abdomen feels fluctuant upon palpation. When punctured, yellow or pale yellow fluid is released. The disease usually progresses over 1–5 days.
To prevent ascites, it's essential to improve overall flock health and ensure proper ventilation. Regular cleaning of the coop and litter helps reduce harmful gases and dust levels, maintaining clean air with sufficient oxygen and stable temperatures. Good hygiene practices play a key role in preventing disease outbreaks.
Proper feeding management is also vital. Providing balanced, high-quality feed that is free from mold is essential. Ensuring adequate levels of vitamins (especially E and C) and trace minerals can help support the birds’ immune systems. Avoiding excessive use of additives, medications, and disinfectants is important to prevent liver and kidney damage. Controlling growth rates through feed restriction and reducing light exposure can ease the strain on the heart.
In terms of treatment, early intervention is critical. Medications such as Ascites Net, Ascites Elimination, or similar drugs can be used. These are typically administered via drinking water at a concentration of 0.2% for two consecutive days. Prompt treatment can significantly reduce the risk of further cases.
Additionally, traditional Chinese herbal remedies have shown some effectiveness. For every 100 broilers, a mixture of 50–100 grams of wolfberry, barberry, psyllium, bupleurum, tangerine peel, and 20–50 grams of yak, mulberry, and cassia twig can be prepared in water. This solution is given once or twice daily for 2–3 days. Milder cases often show improvement or full recovery.
By combining good management practices, proper nutrition, and timely treatment, farmers can effectively manage and reduce the incidence of ascites in their flocks.