the effect of rosemary hydro-alcoholic (rosmarinus officinalis l.) extract on performance and egg quality in laying hens
نویسندگان
چکیده
this experiment was conducted to evaluate the effects using of different levels of rosemary hydro-alcoholic extract (rosmarinus officinalis l.) on productive performance and egg quality indicators, in laying hens. the levels of rosemary hydro-alcoholic extract in this experiment were 0, 500, 1000 and 1500ppm. this experiment was conducted in a blok completely randomized design with 160 “hy-line-w36” laying hens in 4 treatments and 4 replicate (with 10 hens in each replicate) from 29 until 38 weeks of age. the results showed that the using of different levels of rosemary hydro-alcoholic extract had significantly effects on some parameters of performance and egg traits in laying hens (p
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عنوان ژورنال:
علوم دامی ایرانجلد ۴۶، شماره ۱، صفحات ۱-۸
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