Journal of Animal Production, Print ISSN: 2008-6776., Online ISSN: 2382-994X

Effects of emulsifier and inulin supplementation on growth performance, carcass characteristics, immune response and blood biochemistry in broilers fed different fat sources

Document Type : Research Paper

Authors

Mozafar Rahimpour 1
Kamran Taherpour 1
Hossein Ali Ghasemi 2
Hassan Shizadi 1
Farhad Rostami 3

1 Department of Animal Science, Faculty of Agriculture, Ilam University, Ilam, Iran

2 Department of Animal Science, Faculty of Agriculture and Natural Resources, Arak University, 38156-8-8349 Arak, Iran.

3 ِDepartment of Animal Science, Faculty of Agriculture, Ilam University, Ilam, Iran

https://doi.org/10.22059/jap.2021.316311.623582
Abstract
A 42-d study was conducted to investigate the effects of emulsifier and inulin supplementation in diets with different sources of fat on growth performance, carcass traits, immune response, and blood biochemical indices of broilers. A total of 800 one-day-old male broilers in a 2 × 2 × 2 factorial experiment with two fat sources (soybean oil and beef tallow), two emulsifier levels (0 and 0.1% lysophospholipids) and two levels of inulin supplementation (0 and 0.1%) were used in a completely randomized design with eight treatments, five replications and 20 chicks per replicate. Birds fed diets containing beef tallow and emulsifier had a lower feed conversion ratio and abdominal fat percentage than birds fed diets containing soybean oil and emulsifier (P <0.05). The abdominal fat percentage and feed conversion ratio were lower in birds that received fat and inulin diets than other birds (P<0.05). Birds fed the emulsifier-containing diet had higher values of primary and secondary antibody titers against Newcastle disease virus, and secondary titers of total antibody and IgM against sheep red blood cells (SRBC) compared to those fed the emulsifier-unsupplemented diet (P<0.05). Daily weight gain and antibody titer against Newcastle disease and SRBC were higher in birds receiving the inulin-supplemented diet compared to other birds (P<0.05). In conclusion, the use of 0.1 % emulsifier and inulin, either singly or in combination, in the diet of broiler chickens can be useful for improving growth performance and immune response.

Keywords

Broilers
Emulsifier
Inulin
Soybean oil
Tallow
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Journal of Animal Production, Print ISSN: 2008-6776., Online ISSN: 2382-994X
Volume 23, Issue 3
Summer 2021
Pages 433-446

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