Abstract
To enhance the anti-coccidial effect of dinitolmide and reduce its residual, the dinitolmide/MMT compounds were synthesized by the method of solution intercalation via dinitolmide intercalated into Na + -montmorillonite (Na + -MMT). The structure of compounds was characterized by X-ray diffraction and Fourier transformed infrared. Its anti-coccidial effect was examined by Eimeria tenella infection experiment. One hundred fifty AA broiler chickens were divided into five groups. Chickens were orally inoculated with 5 × 10(4) E. tenella oocysts after dinitolmide was given. Their curative effects were observed. The results showed that intercalated dinitolmide expanded the basal spacing (d 001) of MMT from 12.6 to 15.2 Å. The IR bands of amide group in dinitolmide/MMT were detected at 1,533 cm(-1) which showed that dinitolmide was successfully intercalated into the interlayer spaces of MMT. The dinitolmide/MMT showed higher anti-coccidian oocyst activity compared with dinitolmide (p < 0.05). The dinitolmide/MMT compound can significantly increase body weight gains and reduce bloody diarrhea, lesion score, and oocyst excretion. The anti-coccidia index of dinitolmide/MMT group (165.21) is much higher than dinitolmide group (88.84). The dinitolmide/MMT hybrid systems can be more effective in control of coccidiosis in comparison to dinitolmide.
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