نوع مقاله : مقالات علمی- پژوهشی
نویسنده
گروه علوم دامی، واحد کاشمر، دانشگاه آزاد اسلامی، کاشمر، ایران
چکیده
عنوان مقاله [English]
نویسنده [English]
This experiment was conducted to evaluate the effects of fennel and Thymyus valgaris extracts with and without flaxseed on performance and egg quality of laying hens (Hy line W-36). The experiment was conducted in a completely randomized design with 200 laying hens in 5 treatments and 5 replicates (with 8 hen in each replicate) for 12 weeks. The hens were fed isocaloric and iso nitrogenous diets according to NRC 1994 but differ in the plant extracts. The plant extracts used in this study consisted of an alcoholic extract of fennel and thyme that the value of 40 ml/kg feed was sprayed. The results of this study showed that egg production, egg mass and feed conversion ratio not significantly but feed consumption and egg weight has significantly effects (P>0/05).The index of yolk color in the group received Thymyus valgaris and flaxseed was significantly different from other treatment groups (P
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