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Abstract
The literature reported positive beneficial effects of butyric acid and canola oil on production performance traits of broiler chickens. Three hundred hybrid Ross 708 (150 males and 150 females) were randomly allotted to 10 pens per treatment with 5 males and 5 females per pen. Ten pens were administered a diet supplemented with soybean oil (control), ten pens the same basal diet but supplemented with a blend of mono-, di-, tri-glyceride of butyric acid added to soybean oil (T1) and ten pens the same basal diet supplemented with a mix of soybean and canola oil containing butyrate (T2). No differences in final body weight, dressing percentage, liver and thigh weight were found between groups. The T2 birds showed the highest feed/gain ratio (P<0.05). The control group showed the highest value for breast weight while the highest quantity of abdominal fat was in T2 carcasses. Fatty acid profile was significantly influenced by the presence of oil supplements, not only quantitatively but also qualitatively.