Abstarct:



In present study we evaluated the effect of formaldehyde on decreasing the contamination rate of

egg shell, yolk and yolk sac. 240 hatching eggs from broiler breeder farm and hatchery as ...

Abstract:

Ornithobacterium rhinotracheale infection is a contagious disease of birds that causes respiratory

distress, mortality, growth decrease and egg production drop. This study was conducted to

determine ...

ﺳﺎﺑﻘﻪ و ﻫﺪف :ﻛﺒﻮﺗﺮازﺟﻤﻠﻪ ﭘﺮﻧﺪﮔﺎﻧﻲ اﺳﺖ ﻛﻪ ﻋﻼوه ﺑﺮاﻳﻨﻜﻪ درﻓﺮﻫﻨﮓ ﻣﺎﺟﺎﻳﮕﺎه وﻳﮋه ای دارد،دردی ﻧﺎﺳﻼﻣﻨﻴﺰﺑﺪاﻧﺘﻮﺟﻬﺶ ده اﺳﺖ .ﻋﻮاﻣﻞ ﺑﻴﻤﺎری زای ﺑﺴﻴﺎری اﻳﻦ ﺣﻴﻮان رادﭼﺎرﺑﻴﻤﺎری ﻣﻴﻜﻨﺪﻛﻪ ازﺟﻤﻠﻪ ی آﻧﻬﺎ وﻳﺮوس ﻫﺎ ﻫﺴﺘﻨﺪ .دراﻳﻦ ﺗﺤﻘﻴﻖ ﺑﻪ ﺳﻪ وﻳﺮوس ...

ﺳﺎﺑﻘﻪ و ﻫﺪف :ا رﺷﺪ روزاﻓﺰون ﺟﻤﻌﻴﺖ اﻧﺴﺎﻧﻲ و ﺑﻪ ﺗﺒﻊ آن ﻧﻴﺎز ﺑﻪ ﻣﻨﺎﺑﻊ ﭘﺮوﺗﺌﻴﻨﻲ ﺳﺎﻟﻢ رزان ودر دﺳﺘﺮس اﻓﺮاد ﻣﺨﺘﻠﻒ را ﺑﺮآن داﺷﺖ ﺗﺎ ﺑﻪ ﺻﻨﻌﺖ ﭘﺮورش ﻃﻴﻮر روی آورﻧﺪ .ﺑﻴﻤﺎری ازﻃﺮﻓﻲ اﻓﺰاﻳﺶ ﺟﻤﻌﻴﺖ ﻃﻴﻮر، ﺑﺎﻋﺚ ﮔﺴﺘﺮش ﻫﺎی ﻣﻨﺠﺮ ﺑﻪ ﺗﻠﻔﺎت و ...

Objectives: Yolk sac infection is one of t he most important diseases in poultry that causes severe mortality rates in

broilers at the first week of breeding. Different kinds of bacteria are involved in yolk sac ...

Abstract

A survey of the prevalence of subclinical coccidiosis in broiler-chickens was conducted in the municipality of Mashhad, Khorasan, Iran. Eighty-four chicken farms were randomly selected; from each farm, five ...

بیماری بورس عفونی یا گامبورو نوعی بیماری ویروسی حاد است، که در اکثر نواحی جهان وجود دارد . یکی از راههای اساسی در پیشگیری از بیماری گامبورو واکسیناسیون می با شد از آنجا که واکسیناسیون با استفاده از واکسنهای زنده گامبورو ...

Mycoplasmosis is one of the most important diseases in the poultry industry. Its causative agent, mycoplasma has various species, which two of them, Mycoplasma gallisepticum (MG)rnand Mycoplasma synoviae (MS) are the most ...