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Productive and humoral immune response of broilers fed with different sources of oil and vitamin E

ABSTRACT

Oil inclusion in poultry diets provides many advantages and according to the fatty acid profile it is possible to achieve performance improvement as well as immune system stimulation. Thus, the study aimed to evaluate productive performance, carcass and cuts yields and also the humoral immune response of broilers consuming diets formulated with different oil sources and vitamin E. A total of 312 one-day old male Cobb was distributed, in a completely randomized design, in three treatments with eight replications of 13 birds. The experimental treatments were the diets that had different oil source as follows: soybean oil, canola oil and canola oils with vitamin E. The analyzed parameters were weight gain, feed intake, feed conversion ratio, carcass and cut yields and humoral immune response. For the treatment with canola oil and vitamin E a reduction on weight gain during the pre-starter stage was observed. For the other evaluated parameters, no significant differences were observed. In conclusion, the use of canola oil or canola oil with added vitamin E does not affect the productive performance, carcass and cut yields and humoral immune response in broiler chicken in relation soybean oil use.

Keywords:
poultry; canola oil; soybean oil; tocopherol

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