Fish and shrimp feed should add vitamin C

Vitamin C, also known as ascorbic acid, plays a crucial role in the health and development of fish and shrimp. A deficiency in this essential nutrient can lead to serious physiological problems, affecting their growth, immunity, and overall survival. When fish and shrimp do not receive enough vitamin C, they may suffer from various symptoms that hinder their normal development and even result in death. In fish, vitamin C deficiency is often characterized by reduced appetite, slow growth, abnormal body shape, and impaired swimming ability. In severe cases, it can lead to symptoms similar to scurvy in humans. For example, grass carp lacking sufficient vitamin C may show signs such as eye socket congestion, bleeding at the fin base, eyelid hemorrhage, and internal abdominal bleeding. While the specific symptoms may vary among different fish species, common issues include poor growth, weakened immune systems, and reduced feed conversion efficiency. Shrimp are also highly susceptible to vitamin C deficiency. One of the most well-known conditions is "black dying disease," where wounds take longer to heal, and black ulcers develop under the shell. This condition can cause mass mortality. Other symptoms include soft shells, prolonged molting periods, white and cloudy muscles, and general weakness. These issues significantly impact the productivity and health of shrimp in aquaculture. To prevent these problems, it is recommended that vitamin C be included in fish and shrimp feed at levels 4 to 5 times higher than their daily requirements. This ensures adequate intake and supports optimal growth, immunity, and overall well-being. Proper supplementation with vitamin C is essential for maintaining healthy aquatic populations and improving farm productivity.

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