نتایج جستجو برای: the birds
تعداد نتایج: 16059069 فیلتر نتایج به سال:
Single cell protein (SCP) is the definition for dried cells originated from single-celled organisms intended to be used as a protein source in human foods or animal feeds. An experiment has been conducted to evaluate the various levels of single cell protein on fecal microflora and productive traits of broiler chickens. A total of 192 day-old Ross 308 male chicks were randomly divided into 4 tr...
Bacteria play an important role in the initiation and progression of diseases (not only in disease but affect health status of individual). Populations of digestive microflora in chicken gut change with age and also affected by diet, stressors, and performance enhancers as well as in disease conditions. The aim of the pre-sent study was to know bacterial makeup in chicken gut, using denaturing ...
khuzestan province in the south west of iran having several seasonal and permanent lagoons which are shelter for domestic and migratory birds including, fish-eating birds. this research study was carried out to find the intestinal helminth parasites of birds in this ecosystem and evaluation of their medically importance with emphasis on heterophyid trematodes. for these reasons, the total of 37...
birds constitute the important elements of most ecosystems of the world. the objective of this study was to survey and identify birds of boujagh national park. for this reason the park divided into 7 parts and during 24 months, between autumn 1383 and late summer of 1385, the park has been surveyed. the results show that 234 species have been identified (about %46.4 of all bird species througho...
This study was performed in second half of year 2009.For bird counting , monthly from Septamber until March 2009. Total counted birds in Maroon lake were (971). Maximum number of counted birds was in February (191) and minimum of counted was in Septamber (95). Total counted birds in Jaizan were (385. Maximum number of the counted bird was in February (84) and minimum of counted (52) was in Ja...
clinical signs, para-clinical tests and gross lesion can be used for identification of parasite contamination. in most parasite contamination the clinical signs are not obvious. thus, para-clinical tests and gross lesion play important roles in identifying parasite disease as all organs of animals such as skin, eyes, kidneys, liver and digestive tube can be affected by the parasites. consequent...
From the last few years, the inclusion of microbial phytase in poultry diets has increased significantly, mainly in response to heightened concerns over phosphorus pollution of the environment and as cheaper means to make phosphorus available to birds from phytate. Phytate is the major form of phosphorus, abundantly found in cereal grains, beans and oilseed meals used in poultry diet but the mo...
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