vincid-wsa (Animal Feed Supplement)

Animal Feed Supplement


Due to their different chemical structures, different acids have different properties. The response to diet acidification may be affected by type of acid, inclusion level, diet composition and dietary buffering capacity. The key basic principle on the mode of action of organic acids on bacteria is that non-dissociated (non-ionized) organic acids can penetrate the bacteria cell wall and disrupt the normal physiology of certain types of bacteria. We call these bacteria “pH sensi􀀖ve” meaning that they cannot tolerate a wide internal and external pH gradient. Among those bacteria we have E. coli, Salmonella spp, C. perfringens. It has been well demonstrated that the state of organic acids (non-dissociated or dissociated) is extremely important to define their capacity to inhibit the growth of bacteria. As a rule, we need more than ten to twenty times the level of dissociated acids to reach the same inhibition of bacteria, compared to non-dissociated acids.

Broad Spectrum Activity Against Enteropathogens
For microorganisms’ organic acids can act as a source of carbon and energy as well as inhibitory agents and this action depends upon the concentration of organic acid, its ability to enter the bacterial cell and capacity of microorganism to metabolize the organic acid. Nondissociated form of organic acids is lipophilic in nature and it can only enter the bacterial cells. Once it enters the bacterial cell, due to neutral pH of bacterial cytoplasm it readily converts into dissociated form and releases H+ and A- ions which reduces the cellular pH of bacterial cell. The lowering of pH disrupts the enzymatic reaction and nutrient transportation system of bacteria. A specific H+ ATPase pump tries to bring this pH to neutral level which is an energy dependent mechanism and results in the deple􀀖on of energy within bacterial
cell. Decarboxylases and Catalases are the target enzymes of organic acids and their inhibition finally disrupt the glycolysis of bacteria and anion portion of organic acid becomes toxic inside the cell and cause anionic and internal osmotic imbalance and bacteriostasis is the final consequence.

Control of E. coli, Salmonella, Clostridia
Enteric pathogens like Salmonella, E. coli and Clostridium create a negative environment at intestinal level. Birds take up these pathogens from contaminated water and feed and first colonize in the proximal digestive tract of birds before moving to the hind gut. With the acidification of water due to organic acid salts in the proximal digestive tract the introduction of pathogenic microorganisms in the gut is prevented.


Gut Environment Modification
The goal of a successful gut environment modification program is to create an environment which is beneficial for normal microflora and detrimental to colonization by enteric pathogens. Most of the organic acids are considered as best for gut environment modifications.

Alternatives to Antibiotic Growth Promoters
Organic acids have been identified as best alternative to antibiotic growth promoters as they act like AGPs and control the enteric pathogens which compete for essential nutrients with GUT microflora. Other beneficial effects of organic acids include improvement in digestive enzymes activity, microbial phytase activity, reduction in small intestine pH and increased growth of intestinal mucosa.


Water Acidification and Removal of Biofilms
As an essential component and nutrient of body, water acts as a best vehicle for most of the pathogenic bacteria for poultry which include Salmonella, E. coli, Campylobacter and Clostridium. Generally, the elimination of water borne bacteria is very difficult as they are encased in a compact cell wall and many detergents and disinfectants cannot degrade the bacterial cell wall. Additional protection comes from the development of biofilms in water tanks and lines which makes the elimination of pathogens more difficult.

Organic acids have been found to be efficacious in lowering the pH of drinking water and thus don´t allow the pathogenic microorganisms to grow in the water. Most of the water borne enteric pathogens cannot grow at lower pH like 4, so with the acidification effect of organic acid a variety of pathogens can be controlled easily, and continuous use of organic acids also eliminates the biofilms.

Salient Features 

  • Completely water soluble
  • More than 80 % active acids per kg of product
  • No buffering carrier added (100 % functional)
  • Non-corrossive and no negative effects on palatability


  • Strong effect against enteropathogens
  • Reduces contamination in drinking water
  • Improved digestion and absorption of nutrients


  • Buffered salts of organic acids ( Formic, Propionic, Acetic, Butyric, Sorbic, etc.)

Feeding Recommendations

  • 1 g per 5 litre of drinking water


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