نتایج جستجو برای: old male ross 308 broiler chicks were randomly divided into 4 groups of 30 birds in 4th day of age
تعداد نتایج: 24714168 فیلتر نتایج به سال:
The present experiment was conducted to investigate the effect of drinking water temperature and stocking density (SD) on oxidative metabolism in heart, liver, bursa fabricius, thymus broiler chickens raised under heat stress. comprised 360 one-day-old Ross 308 male randomly divided 6 experimental groups with 4 replicates each group. Experimental treatments included three different SD (low = 12...
effects of post-hatch fasting (phf) and subcutaneous injection of ca-gluconate (ca-g) on productive performance, immune response and mortality of broiler chicks were investigated using 640 one-day-old ross 308 chicks in a 5×2 factorial experiment with five phf levels (zero, 12, 24, 36 and 48 h) and two ca-g injection levels (zero and 0.7 ml) in a completely randomized block design in four repli...
this study was conducted to investigate the impact of podcasts as a learning and teaching tool on iranian efl learners’ motivation for listening as well as on their listening comprehension ability. the study also investigated the learners’ perception towards listening to podcasts and examined whether the learners were likely to accept podcasts. out of fifty-five intermediate learners studying e...
The effects of dietary vitamin E levels on mucosal maltase and alkaline phosphatase (ALP) enzyme activities and on the amount of mucosal malonyldialdehyde (MDA) in broiler chickens were studied in the present study. One hundred and eighty of day old male broiler chicks (Ross 308 strain) were randomly assigned into five groups, each with three replicates and 12 chicks in each replicate. Chickens...
abstract cooperative learning refers to small groups of learners working together as a team to solve a problem, complete a task, or accomplish a common goal. in a cooperative environment one’s success is directly related to the success of other members because the focus on the individual shifts towards the group. to test the effectiveness of the method, using jigsaw technique, a study was cond...
current studies in second language (l2) learning have revealed the positive role of corrective feedback (cf) in both oral and written forms in different language features. the present study was an attempt to investigate the effect of both direct and indirect written corrective feedback (wcf) on the use of grammatical collocations in l2 writing. the study also sought to examine whether the effec...
One thousand and eight unsexed one day-old broiler chicks (Ross-308) were randomly divided into 3 treatment groups of 336 birds each, consist of control and two essential oil mixtures (EOM) at level of 24 mg/kg and 48 mg/kg diet. There were not significant effects of dietary treatments on body weight gain of broilers at 21 and 42 days of age. On the other hand, there were significant difference...
introduction: diabetes mellitus is an growing national and international public health concern. the number of people affected by diabetes in world by 2030 will be 69% in developing countries. regular physical activity plays a key role in the management of type 2 diabetes melitus, particularly glycemic control. it has been recommended that peoples with type 2 diabetes participate in moderate-int...
Aim: A study was conducted to evaluate the effect of supplemental yeast culture (Diamond V XPC Yeast Culture; YC) in broiler diets on carcass characteristics and humoral immune response. Materials and Methods: A total of 240 one-day-old broiler chicks (Ross 308) were randomly assigned to four YC dietary treatments of 60 birds each. The dietary treatments were 0 (control), 1, 1.25 and 1.5 g YC/k...
This study was conducted to investigate the effects of commercial probiotic mixtures (Liptosafe-L) via drinking water of broiler chickens in comparison with Antibiotic (Newmycin) on performance of Broiler Chicks and growth attributes. 120 broiler chicks (Ross 308) day old, and average weight of 41 grams, were subjected to a 41-day experimental period. The chick's were randomly divided into thre...
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