0102030405
China Suppliers Factory OYSDMPT Food Attractant Complex for Aquatic Species - Boost Appetite & Growth Performance
Why is DMPT needed in Aquatic?
DMPT (Dimethyl-β-propiothetin), also known as dimethylsulfoniopropionate (DMSP), is a naturally occurring sulfur-containing compound found in marine algae and some higher plants. It has gained significant attention in aquaculture due to its multiple physiological benefits for aquatic animals, including growth promotion, appetite stimulation, stress resistance, and improved feed utilization.
1. Appetite Stimulation
- Acts as a powerful feeding attractant due to its umami taste and odor-mimicking natural prey.
- Stimulates chemosensory receptors, enhancing feed palatability and voluntary feed intake.
2. Growth Performance
- Dietary supplementation (50–300 mg/kg) improves weight gain and feed conversion ratio (FCR).
- Enhances protein synthesis and nutrient absorption by promoting protease and amylase activity.
3. Stress & Immunity
- Mitigates environmental stress (hypoxia, salinity) by regulating osmotic balance.
- Antioxidant properties boost SOD and GSH-Px activity to reduce oxidative damage.
4. Improved Meat Quality
- Reduces off-flavors (muddy taste) in fish by modulating metabolic pathways.
- Increases muscle protein content and improves texture.
5. Reproductive Benefits
- Improves gonadal development and spawning performance in broodstock.
6. Environmental Adaptation
- Enhances olfactory sensitivity, aiding in habitat recognition.
- Supports osmoregulation in species like salmon and seabass.
Applications in Aquafeeds
- Recommended dosage: 100–500 mg/kg feed (varies by species).
- Commonly used in shrimp, crab, sea bass, trout, carp, and tilapia.
- Often combined with other attractants (betaine, amino acids) for synergistic effects.
Safety & Considerations
- DMPT is non-toxic at standard doses; excessive amounts may inhibit growth.
- Synthetic DMPT is cost-effective compared to natural extraction.
Frequently Asked Questions
What exactly is DMPT?
DMPT (Dimethyl-β-propiothetin) is a natural sulfur-containing compound found in algae that acts as a potent feeding stimulant and growth promoter for aquatic animals.
How does DMPT improve fish growth?
It improves growth by stimulating appetite (increasing feed intake) and enhancing the activity of digestive enzymes, which leads to better nutrient absorption.
Is DMPT safe for all aquatic species?
Yes, it is widely used for fish (carp, tilapia, trout) and crustaceans (shrimp, crabs). It is non-toxic when used at the recommended dosages.
What is the recommended dosage for DMPT?
The standard recommended dosage is typically between 100mg to 500mg per kilogram of feed, depending on the specific species and life stage.
Does DMPT help with environmental stress?
Yes, DMPT helps aquatic animals regulate osmotic pressure and reduces cortisol levels, making them more resistant to stresses like low oxygen or salinity changes.