Oleoresins from chili pepper and turmeric can substitute for 1 salinomycin in broilers 2 3 To appear in : 4

44 Background: Coccidiosis has the greatest economic impact when compared to other diseases 45 in poultry production. In addition, chemotherapeutic growth promoters have been substituted 46 for other alternative strategies. Objective: To evaluate the effect of oleoresins from chili pepper 47 (Capsicum annuum) and turmeric (Curcuma longa L.) on the performance, survival rate, and 48 the Productive Efficiency Index of broilers from 1 to 21d challenged by Eimeria sp. Methods: 49 A total of 700 male 1-day-old chicks (Cobb 500) were assigned in a completely randomized 50 design with four treatments: (1) negative control diet, without anticoccidial agent or growth 51 promoters; (2) control diet+0.05% of salinomycin; (3) negative control diet+100g/ton; and 52 (4)+140g/ton of test product (Curcuma longa L. plus Capsicum annuum oleoresins) and 53 challenged by Eimeria sp. Results: There were similar results for body weight, weight gain, 54 feed conversion and Productive Efficiency Index between broilers fed a diet containing 55 anticoccidial chemotherapeutics and diets containing oleoresins. In addition, there was no 56 difference in the feed intake and survival rate between the dietary treatments. Conclusion: 57 Broilers fed diets supplemented with chili pepper and turmeric oleoresins presented similar 58 results for body weight, weight gain, feed conversion, and Productive Efficiency Index to 59 broilers fed a diet supplemented with chemotherapeutic anticoccidials from 1 to 21d without 60 affecting the animal feed intake nor the animal survival rate. 61