Influence of Curcumin (Curcuma Longa) as a Natural Anticoccidial Alternative in Adult Rabbits: First Results
2015
Cervantes-Valencia, María Eugenia | Alcala-Canto, Yazmin | Salem, Abdelfattah Z.M. | Kholif, Ahmed E. | Ducoing-Watty, Adriana Margarita | Bernad-Bernad, María Josefa | Gutiérrez-Olvera, Carlos
Coccidiosis is one of the most common ailments in rabbits farming and is usually treated with drugs that can produce resistance; therefore, a natural alternative was sought. The objective of the current study was to evaluate the efficacy of the aqueous extract of curcumin (Curcuma longa) on the excretion of oocysts of Eimeria spp. in New Zealand white rabbits. Twenty-four eight-month-old rabbits were divided into four groups of six animals to be C. longa extract administered at 0 (Control), 10, 25 or 40 mg/kg body weight (BW). Rabbit weights were recorded and faeces samples were collected on d 0, 7, 14, 21, 28, 35 and 42. The McMaster technique was used for quantifying Eimeria spp. oocysts. Results were analysed using multivariate analysis of variance for repeated observations. Statistically significant differences (P<0.05) from d 28 were observed among the Control, the group of 25 mg/kg BW and that of 40 mg/kg BW. At d 42, statistically difference (P<0.05) among the Control group and the other three groups was observed. It could be concluded that C. longa decreased Eimeria spp. oocysts excretion efficiently at a dose of 40 mg/kg BW with 80.1, 63.7 and 64.9% for d 28, 35 and 42, respectively, with reducing concentration of eggs per gram of faeces with about 20.1, 15.6 and 17.8 for d 14, 21 and 35, respectively. However, further studies are needed to assess and confirm the antiparasitic activity of C. longa.
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