نتایج جستجو برای: laying performance

تعداد نتایج: 1060480  

Journal: :journal of agricultural science and technology 2011
m. malekizadeh m. m. moeini sh. ghazi

an experiment was conducted to investigate the effects of using different levels of ginger rhizome powder (grp) and turmeric rhizome powder (trp) on production performance and some blood metabolites in laying hens. ninety 103-week old laying hens were divided into 5 treatments in a completely randomized design with 3 replicates and 6 birds in each cage. the birds were fed a corn-soybean meal ba...

Journal: :تولیدات دامی 0
محمدرضا جمالی دانشجوی کارشناسی ارشد تغذیۀ دام، گروه علوم دامی، دانشکدۀ علوم دامی و صنایع غذایی، دانشگاه کشاورزی و منابع طبیعی رامین خوزستان، ملاثانی‏ـ‏ایران محمدرضا قربانی استادیار گروه علوم دامی، دانشکدۀ علوم دامی و صنایع غذایی، دانشگاه کشاورزی و منابع طبیعی رامین خوزستان، ملاثانی‏ـ‏ایران احمد طاطار استادیار گروه علوم دامی، دانشکدۀ علوم دامی و صنایع غذایی، دانشگاه کشاورزی و منابع طبیعی رامین خوزستان، ملاثانی‏ـ‏ایران سمیه سالاری استادیار گروه علوم دامی، دانشکدۀ علوم دامی و صنایع غذایی، دانشگاه کشاورزی و منابع طبیعی رامین خوزستان، ملاثانی‏ـ‏ایران مرتضی چاجی دانشیار گروه علوم دامی، دانشکدۀ علوم دامی و صنایع غذایی، دانشگاه کشاورزی و منابع طبیعی رامین خوزستان، ملاثانی‏ـ‏ایران

two experiments were conducted to evaluate the nutritional value of purslane powder and its effects on performance, egg quality and reproductive system parameters of laying hens. one hundred and twenty laying hens (leghorn, hy-line w-36) were used in a completely randomized design with four treatments and five replicates. hens received diet supplemented with different levels of purslane powder ...

Journal: :علوم دامی ایران 0
علی نوبخت استادیار، دانشگاه آزاد اسلامی- واحد مراغه بهزاد حسینی فرد دانشجوی سابق کارشناسی ارشد، دانشگاه آزاد اسلامی- واحد مراغه

this experiment was conducted to evaluate the effects of using rice bran, combo multi-enzyme and probiotic (protexin) in diet on performance, egg traits, biochemical parameters and blood cells of commercial laying hens. this experiment carried out using 384 hi-line (w36) laying hens in a completely randomized design as factorial (2×2×2) arrangement with two levels of rice bran (0 and 10%), two ...

This experiment was conducted to evaluate the effects of different levels of Portulaca oleracea (PO),medicinal plant, on performance, egg traits, blood biochemical and immunity parameters of laying hens. One hundred eighty Hi-Line (W-36 strain) mature laying hens 65 up to 76 weeks of age were allotted in a completely randomized design consisting of 5 treatments and 3 replicates (12 birds per re...

ژورنال: علوم آب و خاک 1998
آذربایجانی, علیرضا , شیوازاد, محمود , یوسف حکیمی, علی اکبر,

Feeding high levels of barley to laying hens is accompanied with dirty eggs, decreasing the feed intake and egg size. To improve the diet with barley for layers, different chemicals including a commercial enzyme effective on barley (Fin Feed), cupric sulfate pentahydrate, sodium bicarbonate, magnesium sulfate and oxytetracycline antibiotic were supplemented to experimental barley based diets. I...

آذربایجانی, علیرضا, شیوازاد, محمود, یوسف حکیمی, علی اکبر,

Feeding high levels of barley to laying hens is accompanied with dirty eggs, decreasing the feed intake and egg size. To improve the diet with barley for layers, different chemicals including a commercial enzyme effective on barley (Fin Feed), cupric sulfate pentahydrate, sodium bicarbonate, magnesium sulfate and oxytetracycline antibiotic were supplemented to experimental barley based diets. I...

2013
Ali Nobakht

Two experiments were conducted to evaluate the effects of different levels of dried lemon pulp (DLP) on performance of broilers and laying hens. In first experiment, 240 of broilers (Ross-308) were used in a completely randomized design with 4 treatments and 3 replicates (with 20 birds in each replicate) from 1 to 42 days. The amounts of DLP in diets were 0, 1.5, 3 and 4.5 percentage. In the se...

Journal: :پژوهش های علوم دامی ایران 0
مصیب شلایی سید محمد حسینی

this experiment was conducted to evaluate and compare antibiotic, organic acid, probiotic and prebiotic effects on performance, egg quality and blood metabolites in commercial laying hens. the experiment was a completely randomized design with 160 laying hens strain hy line (w-36) from 32 to 42 weeks of age with 5 treatments and 4 replicates of 8 hens each. the experimental treatments consisted...

Journal: :iranian journal of applied animal science 2015
a. nobakht

in this experiment 240 hy-line (w-36) laying hens from 65 to 75 weeks distributed in 5 treatments and 4 replicates (12 birds per replicate) in a completely randomized design were used. the amounts of watermelon skin meal (wsm) used to set the treatments were 0, 0.5, 1, 1.5 and 2% in 1 to 5 experimental groups. the results showed that using wsm up to 2% significantly improved the performance and...

Journal: :journal of agricultural science and technology 0
s. calislar department of animal science, faculty of agriculture, sutcu imam university, kahramanmaras, turky. i demirtas department of animal science, faculty of agriculture, sutcu imam university, kahramanmaras, turky.

in this study, the effects of culban seed (vicia peregrine l.) on live body weight, feed intake, feed efficiency, egg production, egg quality characteristics, egg yolk fatty acid profiles and yolk cholesterol content in laying hens were investigated. the experiment consists of seven treatment groups with ten replications containing one laying hen in each and for 32 weeks old seventy laying hen ...

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