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Manuela Parini

Manuela Parini

SILO S.P.A

Title: Species independent efficacy of a specific composition of Monoglycerides of short and medium chain fatty acids in preventing EMS and controlling Vibrio parahaemolyticus, Aeromonas spp., Streptococcus uberis, Flavobacterium spp., Yersinia Ruckery, Pseudomonas spp. and Bacillus Cereus affecting shrimps and other aquatic species.

Biography

Biography: Manuela Parini

Abstract

A specific compositions of 1-Monoglycerides of Short and Medium Chain Fatty Acids (from C2 to C12), available on the market under the commercial name SILOhealth 108, proved to exert a selective antibacterial action against pathogenic bacteria independently from the environmental pH, being antibacterial also at pH 7-8, that is in the conditions of the organs of aquatic species like gut, liver, hepatopancreas and other biological apparatuses. The MIC of the Monoglycerides composition at buffered pH 7 – 8 against Vibrio parahaemoliticus, Vibrio mimicus, Bacillus cereus, Aeromonas hydrophila, Yersinia ruckeri resulted to be 0.1%, against Flavobacteriun and Pseudomonas spp. 0.01% while Lactobacillus was not inhibited by the Monoglycerides composition. The composition has been tested in experimental conditions by the Public Animal Health Institute Bruno Ubertini (Italy) in juvenile sturgeon infected with 11 000 000 CFU of Aeromonas hydrophila: in the group treated with the composition the mortality was reduced by 80% (p < 0.001) and the SGR was increased by 13% (p < 0.01) compared to the control group. Applications in field proved that the composition is able to exert its actions independently from the specie. Penaeus Vannameis stocked in 3 ponds of 2 mu each (210 shrimps per square meter) in Zanjiang-China showed typical clinical signs of EMS: hepatopancreas, gut and faecal matter whitening. Vibrio Parahaemoliticus was isolated. The administration of the composition for 5 days decreased the mortality by 80% and restored normal growth. Above effects are repeatable independently from specie, being active in shellfish, freshwater and marine fish.