نتایج جستجو برای: stacking process on temperature and pathogenic bacterial survival of broiler litter bl broiler litter
تعداد نتایج: 24611750 فیلتر نتایج به سال:
Abstract Air polution is one of the side effect broiler production. Broiler chickens produce excreta that contains high ammonia which derived from intake protein feed. The purpose this study was to investigate adsorbent made rice husk with different levels activators on in cage chickens, temperature heat index (THI), and litter pH. materials used were 180 kept an open cage. research carried out...
The present study reports the effects of various field anticoccidial programs on the distribution of Eimeria spp. in poultry litter and serum antibody titers against coccidia in broiler chickens raised on the used litters. The programs included in ovo vaccination and various medications with either chemicals, ionophores, or both. In general, serum samples from these chickens showed anticoccidia...
Two repeated experiments were conducted to investigate the effects of different stocking densities onbroiler performance, carcass characteristics, litter quality and foot lesionsusing 5224 one day-old Ross 308 broilers. In each experiment, a total of 2612 one day-old broilers were allocated in 16 floor pens at densities of 16, 18, 20 and 22 birds/m2 of floor space in an environmentally controll...
abstract this study aimed at investigating the impact of etymology strategy instruction on the development of vocabulary of iranian intermediate efl learners. etymology, knowledge of origin of words, roots, and affixes, has proved to be a controversial issue and a question of long debate with regard to its impact on the process of vocabulary learning. this study employed etymology strategy in ...
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