Influence of spleen meal and hydrolyzed yeast on growth performance, blood cells, antibody titres and IL-2 gene expression in broiler chickens

Two experiments were conducted to evaluate spleen meal (SPM) nutritional value and compare its effects and hydrolyzed yeast (HY) in broiler chickens. In experiment 1, nutrient composition and metabolizable energy content of SPM were determined using male broilers. In experiment 2, 600 broiler chicks...

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Bibliographic Details
Published in:Journal of Applied Animal Research 2021-01, Vol.49 (1), p.289-294
Main Authors: Pahlavanzadeh, Masoud, Sadeghi, Ali Asghar, Mousavi, Seyed Naser, Chamani, Mohammad
Format: Article
Language:English
Subjects:
Antibodies
Antibody titres
Blood cells
Body weight gain
broiler
Dietary supplements
Gene expression
hydrolyzed yeast
Immune response
Interleukin 2
Nutritive value
Physical growth
Poultry
Spleen
spleen meal
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Summary:Two experiments were conducted to evaluate spleen meal (SPM) nutritional value and compare its effects and hydrolyzed yeast (HY) in broiler chickens. In experiment 1, nutrient composition and metabolizable energy content of SPM were determined using male broilers. In experiment 2, 600 broiler chicks were assigned to 5 groups. Dietary treatments were control group, HY1: hydrolyzed yeast (1 g/kg), HY2: hydrolyzed yeast (2 g/kg), SPM1: (30 g/kg diet) and SPM2: (60 g/kg diet). Interleukin-2 (IL-2) gene expression and antibody titre against Newcastle and infectious bursal diseases were evaluated on day 21. apparent metabolizable energy (AME) and AMEn content of SPM were 3496 and 3296 kcal/kg, respectively. Supplementation with SPM improved (P 
ISSN:0971-2119
0974-1844
DOI:10.1080/09712119.2021.1941051