WEAK SHRIMP INTESTINES: QUICK AND SAFE SOLUTIONS FOR IMPROVEMENT
In shrimp farming, the digestive system is considered the “operating engine” that determines growth and survival rates. However, weak intestinal condition in shrimp is quite common and can cause serious losses if not treated promptly. This article will help farmers understand the causes and most effective solutions to restore shrimp digestive health.
1. Causes of Weak Intestinal Health in Shrimp
Intestinal damage in shrimp is rarely caused by a single factor; it is usually the result of multiple environmental and management issues combined.
Bacterial infections in the gut
The most common cause is the Vibrio group of bacteria. When shrimp immunity weakens, these bacteria attack the intestinal lining, causing inflammation, ulcers, and reduced nutrient absorption. If not controlled, shrimp may progress to white feces disease or acute hepatopancreatic necrosis.
Poor-quality feed
Using moldy feed, feed contaminated with mycotoxins (such as aflatoxin), or feed with hard-to-digest protein places heavy stress on the digestive system. Improper storage in hot and humid farming environments allows toxins to accumulate, damaging intestinal villi.
Polluted water environment
Shrimp living in water with high levels of toxic gases (NH3, H2S) or harmful algae will become stressed. When shrimp consume decayed or toxic algae, these toxins damage the intestinal epithelium, leading to poor absorption and gradual weakening.
2. Signs of Poor Digestion and Intestinal Damage in Shrimp
Farmers should closely observe daily signs to intervene early and prevent disease progression.
Intestinal and fecal signs
Interrupted gut: When observed under light, the shrimp gut appears empty in sections, unclear, or discontinuous.
Abnormal feces: Soft, pale, watery feces or mucus-covered stool.
Undigested feed: Feed particles still visible in feces, indicating poor enzyme activity.
Growth-related signs
Slow growth: Shrimp eat normally but do not increase in size; shells are thin and soft chronically.
Uneven size distribution: Clear size variation within the pond due to poor nutrient absorption in weaker shrimp.
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3. Solutions to Improve Digestion and Rapid Recovery
To address weak intestinal health in shrimp, farmers should apply a synchronized approach, from water environment management to specialized digestive support.
Improve living environment
Regular disinfection: Use mild, shrimp-safe disinfectants to reduce Vibrio density without causing stress.
Control algae and toxic gases: Maintain aeration and use probiotics for pond bottom treatment to keep water clean and ensure dissolved oxygen stays above 5 mg/L.
Add gut health supplements
Probiotics: Introduce beneficial bacteria such as Bacillus subtilis and Lactobacillus through feed to suppress harmful bacteria and strengthen intestinal walls.
Organic acids: Help lower gut pH, creating favorable conditions for beneficial bacteria and improving digestion.
Digestive enzymes: Break down proteins and fats into smaller molecules, enhancing nutrient absorption even when the gut is damaged.
Adjust feeding practices
When shrimp show signs of weak intestines, reduce feed by 30–50% for 2–3 days to reduce digestive load.
Split feeding into smaller portions throughout the day and strictly avoid expired or unusual-smelling feed.
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