International Research Journal of Bioengineering and Biomedical Sciences

Full Length Research Paper

Efficacy of different concentrations of aloe chabaudii leaf gel as a substitute of a sulphanomide for the control avian coccidiosis

*Marvelous Sungirai, Moses Mucheni and Lawrence Masaka 

Midlands State University, Department of Livestock and Wildlife Management, P. Bag 9055 Gweru, Zimbabwe

*Corresponding Author Email:

Received June 5, 2013; Accepted July 3, 2013


The objectives of this study were to investigate the effectiveness of Aloe chabaudiiSconland juice as a potential substitute of sulphonamide drugs and to measure its effects when administered at different concentrations in the control of avian coccidiosis. 30 Cobb 500 broiler chickens were used for the experiment. At 2 weeks of age, 25 of the birds were infected with coccidia via drinking water using infected chicken feacal matter, while the remaining five birds were left uninfected. Infection proceeded for 1 week and after the infection period; feacaloocysts were counted using the McMasters technique. The 30 broilers were randomised into six groups of five birds each  and the groups were assigned to six treatments in a Complete Randomised Design (CRD).Four of the groups were given any one of the following treatments, different concentrations of Aloe (10%, 20% and 30%) and a sulphonamide. There was a control group which was not given a treatment and one cohort group which was neither infected nor treated. Treatments started 1 day post infection and continued for 1 week where after, 20 gram samples of feacal matter were taken from each bird per treatment and oocysts were counted. After oocyst counting, all birds were slaughtered and the intestines were sent for lesion scoring using the Johnson and Reid technique. Data was analysed for feacal egg count reduction, relative risk of coccidiosis and the effectiveness of aloe concentrations as a substitute for a commercial sulphonamide. The results showed that the concentrations of aloe used in the experiment were not effective as the sulphonamide in controlling coccidiosis as the feacal egg reduction was below 90% for all concentrations. The relative risk of coccidiosis infection in the farm was found to be 100% meaning coccidiosis is a disease of economic importance at the farm. There was a reduction in the feacaloocyst count with increase in aloe juice concentration to control coccidiosis, though this could be not be compared to the sulphonamide used (ESB3) which was more effective (p<0.05). There is potential for use of Aloe chabaudii leaf gel as a chemotherapeutic though much research is needed to determine absolute concentrations which will make it comparable to commercially available drugs in terms of efficacy.

Keywords: Aloe, coccidiosis, sulphonamide, efficacy.

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