Vannamei Shrimp Probiotics and Its Benefits For Cultivation
Before using probiotics, farmers used antibiotics to treat health problems in shrimp. However, people gradually realize that the use of antibiotics creates antimicrobial resistance, which harms the environment.
Through this article, we will learn more about vannamei shrimp probiotics and their benefits.
What is Vannamei Shrimp Probiotic?
Vannamei shrimp probiotic is a feed supplement in the form of live microbes that are beneficial for vannamei shrimp by providing balance to the intestines. Through the administration of this probiotic, the use of feed during cultivation can become more efficient.
However, in aquaculture, probiotics do not only play a role in the digestive system of farmed animals. Still, they can also increase the nutritional value, immune system, and improve water quality.
Types of Probiotics for Aquaculture
Probiotics for aquaculture are broadly divided into two types, namely, aqueous probiotics and gut probiotics. Each of these probiotics
1. Aqueous Probiotics
As the name suggests, the use of water probiotics in vannamei shrimp cultivation by mixing them directly into pond water. While the way it works is by inhibiting the development of pathogenic bacteria and improving water quality.
Usually, the bacterial strains used in this probiotic are Bacillus acidophilus, Bacillus subtilis, Bacillus licheniformis, Nitrobacter spp., Aerobacter, and Saccharomyces cerevisiae.
2. Feed Probiotics
Feed probiotics are a probiotic used to improve the microbial balance in the intestines of vannamei shrimp. Usually, it is used by mixing the bacterial strain into the shrimp feed.
While the types of bacterial strains used include Lactobacillus or Saccharomyces cerevisiae, nitrifying bacteria, Streptococci, Roseobacter, and Bacillus sp. This bacterial strain works in the shrimp’s gut by modifying its microbial balance and inhibiting the growth of harmful microbes.
Benefits of Probiotics for Vannamei Shrimp
The use of probiotics provides positive benefits and impacts in vannamei shrimp cultivation. Some of these benefits include:
1. Stimulating Shrimp Immune System
The bacterial strains in probiotics act as immunostimulants to increase the body’s immunity in vannamei shrimp. This immune boosting can be done in three ways, namely:
Increase macrophage activity
Increasing the production of systematic antibodies in the form of immunoglobulins and interferons
Increase local antibodies on mucous surfaces such as the intestinal wall.
2. Producing Bad Microbial Growth Inhibiting Compounds
Probiotics with lactic acid bacteria and Bacillus strains can produce several compounds that can inhibit the growth of harmful microbes. One of the most numerous and essential is the bacteriocin compound, a protein produced by certain strains.
3. Increased Nutritional Competition in Shrimp Intestines
Theoretically, nutrient competition plays a vital role in the composition of organisms in the vannamei shrimp gut. Increasing the presence of specific bacterial strains through probiotics may decrease the available substrate for other bacterial populations.
With competition for space in shrimp’s intestine or digestive tract, it can be an antagonistic mechanism for colonizing pathogenic bacteria by probiotics.
4. Avoiding the Disadvantages of Using Antibiotics
The use of antibiotics as a way to cure diseases in animals and humans has been around for a long time. However, antibiotics have a negative impact if used in the long term, namely the presence of bacterial resistance.
Therefore, probiotics can be a choice to avoid the harmful effects of these antibiotics.
5. Stimulates Growth and Improves Shrimp Nutrition
Not only feed with high nutrition, vannamei shrimp cultivation also requires protein content and good bacteria as well as several other supplements to maintain the health and growth of shrimp.
In this case, probiotic bacteria are the best choice for farmers. The reason is that, in several studies, it was found that shrimp growth can be more optimal with the presence of probiotics.
Cre: delosaqua.com
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Ngày đăng : 18/02/2025
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