Effects of Diet and Light During the Pre-Breeder Period, and of Diet During the Breeder Period on Turkey Breeder Performance
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چکیده
منابع مشابه
exploring motivation and english test preparation strategies of iranian pre-university candidates during and at the end of test preparation period for konkur examination
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the effects of planning on accuracy and complexity of iranian efl students’ written narrative task performance
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15 صفحه اولthe 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...
lenium) and feeding programs during the production period on broiler breeder fertility and hatchability
were: Choretime, Lubing, Plasson, Val, and Ziggety. Higher average maximum temperatures for the SU (32 C) versus the SP (28 C) trial, made the trials significantly different (SD) and therefore were analyzed separately. While no SD were found in BW (kg) during the SP trial, drinker D significantly reduced 42d BW (2.32) in comparison to the A (2.44), B (2.42), C (2.41), and E (2.44) systems. No S...
متن کاملEffect of Storage, Pre-heating and Turning during Holding Period on the Hatchability of Broiler Breeder Eggs
Two hundred forty fertile eggs of an average weight of 52-55g were taken from 32 weeks old broiler breeder flock. These eggs were divided into four groups i.e. A (Without turning and preheating), B (No turning but preheated), C (Turned but without preheating), and D (given both treatments preheating and turning) with 60 eggs in each group. The eggs were stored with broad end upward at 16-20°C a...
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ژورنال
عنوان ژورنال: Poultry Science
سال: 1973
ISSN: 0032-5791
DOI: 10.3382/ps.0521805