Abstract
This study aims to determine the effectiveness of extracts of garlic (Allium sativum L.) and ginger (Zingiber officinale) on the growth of broiler chickens infected with E. coli. The design used in this study was a Completely Randomized Design with 6 treatments and 3 replications. The treatment consisted of P0A = control without infection, P0B = control + E. coli infection, P1 = E. coli infection + 0.05% tetracycline antibiotics, P2 = E. coli infection + 1% garlic (Allium sativum L.) extract , P3 = E. coli infection + 1% ginger (Zingiber officinale) extract and P4 = E. coli infection + garlic (Allium sativum L) extract and 1% ginger (Zingiber officinale). The results showed that the administration of garlic and ginger extract had a significant effect (P <0.05) on the decrease in the number of Escherichia coli bacteria in broiler chicken feces. The combination of extracts of garlic (Allium sativum L.) and red ginger (Zingiber officinale) has the most effective effect compared to garlic and ginger extract alone. It was concluded that the administration of extracts of garlic and ginger could be used as Escherichia coli control in broiler chickens.
Highlights
E.Coli is a normal inhabitant of the poultry digestive tract
The materials used in this study were garlic (Allium sativum), red ginger (Zingiber officinalevar rubra), 96% ethanol solvent, aquades, escherichia coli isolates obtained from the collection of Veterinary and Health Centers
Based on the results of research that has been carried out it is known that the administration of garlic extract and ginger extract and the combination of both have an effect on the number of E. coli bacteria in boiler chicken stool
Summary
E.Coli is a normal inhabitant of the poultry digestive tract. The presence of E. coli bacteria in drinking water is an indication of fecal contamination. In the normal chicken digestive tract there are 10-15% of pathogenic E. coli bacteria from all E. coli (Barness and Gross, 1997). The composition of the digestive tract microbes is relatively fixed, but if stability is disturbed, pathogenic microorganisms will make colonies and initiate serious infections. Secondary metabolite compounds produced by plants of the Zingiberaceae tribe generally can inhibit the growth of pathogenic microorganisms (Nursal, 2006). Antibiotics are believed to be able to suppress the growth of pathogenic bacteria which results in a soaring population of beneficial bacteria in the digestive tract. The high beneficial microflora can stimulate the formation of antimicrobial compounds, free fatty acids and acidic substances so that the creation of the environment is less comfortable for the growth of pathogenic bacteria
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