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Thursday, 4 June 2015

Evaluation of pomegranate (Punica granatum) pericarp aqueous extract on Eimeria spp. from Japanese quails (Coturnix japonica)

Open Access
Full Length Article

Evaluation of pomegranate (Punica granatum) pericarp aqueous extract on Eimeria spp. from Japanese quails (Coturnix japonica)

Open Access funded by Faculty of Veterinary Medicine, Cairo University
Under a Creative Commons license

Abstract

Antibacterial, anti-inflammatory and antiparasitic properties have been associated with the extract of pomegranate (Punica granatum) in several animals and conditions. The Japanese quail (Coturnix japonica), originated from North Africa, Europe and Asia, is used worldwide as an experimental animal and model for aviculture. The current study investigated the effects of the pomegranate pericarp aqueous extract on the shedding, viability and morphometry of three Eimeria spp. from Japanese quails, besides the weight gain and genotoxic activity. Although the pomegranate is recognized by multiple properties, including anti-coccidial, in the current study the results are contrary. The treated group shed greater amount of oocysts; the sporulation times and viability were similar in both groups; despite some morphometric differences, these were not expressive; weight gains were similar; and the pomegranate had insignificant effect genotoxic. Finally, these results suggest that the pomegranate pericarp extract did not influence on Eimeira spp. from Japanese quails; therefore, the pomegranate pericarp extract is not suggested in the prevention/treatment of coccidiosis in Japanese quails, or at least not using methods of preparation and administration applied in this study.

Keywords

  • Eimeria bateri;
  • Eimeria tsunodai;
  • Eimeria uzura;
  • Oocysts;
  • Herbal medicines;
  • Genotoxicity

1. Introduction

Parasitoses represent a limiting factor in the breeding of poultry species, both in high-production commercial rearing farms or even in rustic breeding systems, where economic losses can be significant. Among the most pathogenic parasites, coccidiosis caused by Eimeria spp. is distinguished by severe enteropathy, which promotes anorexia, decreased reproduction and posture in adults, and is responsible for high levels of mortality in young animals [1], [2], [3], [4] and [5].
Poultry coccidiosis is mainly controlled by the use of chemotherapeutic agents. However, several studies have targeted the use of herbal medicines, which reduces costs and must be effective in the prevention and/or treatment of coccidiosis. Studies have reported anti-inflammatory, antioxidant, antibacterial and antiparasitic (including anti-coccidial) properties associated with the extract of pomegranate (Punica granatum) in several animals, parasites and conditions [6], [7], [8], [9], [10], [11] and [12].
Japanese quails (Coturnix japonica) has excelled in aviculture, due to increased consumption of exotic meats and eggs, and represents an alternative to chicken production. Furthermore, in recent decades, it has become an important experimental animal for scientific research, due to short life cycle and greater resistance to many poultry diseases [13], [14], [15], [16], [17], [18] and [19].
Berto et al. [20] characterizes Eimeria bateri, Eimeria tsunodai and Eimeria uzura, which are commonly encountered on farms breeding Japanese quails provisioning an algorithm designed to enable reliable identification during routine diagnosis and experimental studies.
In this context, the present study investigated the effects of the aqueous extract of pomegranate pericarp on the shedding, viability and morphometry of three Eimeria spp. from Japanese quails, besides the weight gain and genotoxic activity.