the effects of different molting programs on performance of w-36 hy-line laying hens
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Performance and Serum Hepatic Enzymes of Hy-Line W-36 Laying Hens Intoxicated with Dietary Carbon Tetrachloride
An experiment was conducted to study the effects of carbon tetrachloride (CCl4) on post-peak performance and serum enzymes of Hy-Line W-36 laying hens from 32-36 weeks of age. The experiment was carried out with a total of 192 laying hens in a completely randomized block design. During the experiment laying hens were allocated to 4 groups consisted of T1) no CCl4 as control diet, T2, T3 and T4)...
full textPerformance and Serum Hepatic Enzymes of Hy-Line W-36 Laying Hens Intoxicated with Dietary Carbon Tetrachloride
Introduction In the modern poultry production, the birds are exposed to different stressful factors. Oxidative stresses produce free radicals suppressing the bird performance by disordering the body homeostasis. The liver is the best tissue to evaluate the oxidant-induced oxidative stresses. CCl4 is an important service today as a toxic agent model to induce oxidative stress on animals leading ...
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15 صفحه اولperformance and serum hepatic enzymes of hy-line w-36 laying hens intoxicated with dietary carbon tetrachloride
an experiment was conducted to study the effects of carbon tetrachloride (ccl4) on post-peak performance and serum enzymes of hy-line w-36 laying hens from 32-36 weeks of age. the experiment was carried out with a total of 192 laying hens in a completely randomized block design. during the experiment laying hens were allocated to 4 groups consisted of t1) no ccl4 as control diet, t2, t3 and t4)...
full textthe effects of time planning and task complexity on accuracy of narrative task performance
هدف اصلی این تحقیق بررسی تاثیر برنامه ریزی زمانی، هم چنین افزایش میزان پیچیدگی تکالیف در نظر گرفته شده بصورت همزمان، بر دقت و صحت و پیچیدگی عملکرد نوشتاری زبان آموزان می باشد. بدین منظور، 50 نفر از دانش آموزان دختر در رده ی سنی 16 الی 18 سال به عنوان شرکت کنندگان در این زمینه ی تحقیق در نظر گرفته شدند و به دو گروه آزمایشی و کنترل بصورت اتفاقی تقسیم شدند. اعضای گروه آزمایشی هر دو تکلیف ساده و پی...
Effects of feeding diets varying in energy and nutrient density to Hy-Line W-36 laying hens on production performance and economics.
The objectives of this study were to evaluate the effects of feeding 5 different energy and nutrient dense diets to Hy-Line W-36 hens on long-term performance and economics. A total of 480 19 wk old Hy-Line W-36 Single Comb White Leghorn hens were weighed and randomly allocated to 6 replicate groups of 16 hens each (2 adjacent cages containing 8 hens per cage, 60.9×58.4 cm) per dietary treatmen...
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Journal title:
علوم دامی ایرانجلد ۴۰، شماره ۲، صفحات ۰-۰
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