Journal
POULTRY SCIENCE
Volume 100, Issue 3, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.psj.2020.11.071
Keywords
anticoccidial indicator; broiler; Cinnamomum verum; Eimeria tenella
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Funding
- Deanship of scientific research through the initiative of DSR Graduate Students Research Support (GSR)
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The study compared the anticoccidial effects of different doses of Cinnamomum verum powder with that of salinomycin on broilers experimentally exposed to coccidiosis. Results showed that birds treated with salinomycin or 6 g cinnamon/kg of diet exhibited better anticoccidial effects compared to the positive control group at 7 DPI.
The anticoccidial influences of various amounts of Cinnamomum verum powder were compared with that of salinomycin as standard synthetic anticoccidial drug on the anticoccidial indicators and production performance in broilers experimentally exposed to coccidiosis. Broiler chicks at 1 d of age (n 5 150) were arbitrarily distributed into 6 groups. Birds from groups 1-3 were received the starter and finisher diets plus 2, 4, and 6 g of cinnamon/kg of the diet, respectively. Birds from group 4 were fed the starter and finisher diets plus 66 mg of salinomycin, group 5 constituted the positive control (PC), with the coccidial challenge, and group 6 constituted the negative control (NC), without the coccidial infection, which were both maintained on diets without any cinnamon. The results showed that BW gain, feed conversion ratio, and production efficiency factor declined considerably (P < 0.05) in the PC compared with the NC. At seventh day postinfection (DPI), the lesion score was significantly (P < 0.05) lower in the ceca of salinomycin-treated birds than the PC. The anticoccidial index was moderate in the chickens treated with salinomycin and 6 g cinnamon at 7 DPI compared with those in the PC group. In addition, cinnamonor salinomycin-treated birds exhibited lower oocyst values and higher oocyst reduction rate than those in the PC. We concluded that C. verum at level 6 g cinnamon/kg diet moderately reduced coccidiosis and attempted to improved BW, feed conversion ratio, and production efficiency at 7 DPI compared with the infected groups.
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