EFFECT OF DIETARY SUPPLEMENTATION OF BLACK CUMIN (Nigella sativa L.) AND CINNAMON (Cinnamomum zeylanicum L.) ESSENTIAL OILS ON PERFORMANCE AND EGG QUALITY OF LAYING HENS
نویسندگان
چکیده
The aim of this study was to determine the effects dietary supplementation black cumin (Nigella sativa L.) (BCEO) and cinnamon (Cinnamomum zeylanicum essential oils (CEO) on yield performance, egg quality eggshell bacterial contamination laying hens. A total 315 Atak-S, 28-weeks-old age were randomly assigned three groups with 5 replicates 21 hens each fed diets supplemented 0.5 ml/kg feed oil respectively for 11 weeks. During experiment performance parameters, external internal characteristics microbial measured weekly. At end experiment, CEO improved conversion rate increased shell thickness (P
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ژورنال
عنوان ژورنال: Middle east journal of science
سال: 2021
ISSN: ['2618-6136']
DOI: https://doi.org/10.51477/mejs.947054