Avitaminosis A in Commercial Poultry Flocks
نویسندگان
چکیده
منابع مشابه
Outbreak of Newcastle disease in commercial poultry flocks, NSW.
ND is a highly contagious virus disease affecting poultry, cage and aviary birds, and wild birds. There are a number of strains of the disease, which differ in the severity of their clinical signs, ranging from inapparent to a rapidly fatal condition. In its highly virulent form, ND can rapidly cause up to 100 per cent mortality in bird flocks and poses a devastating threat to the poultry indus...
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The present study was carried out to determine the incidence of Aspergillus fumigatus in commercial poultry flocks. Aspergillus fumigatus was isolated from the lungs and air sacs of affected birds. Sixty four suspected cases of fungal infection were used in the study. Thirty one cases were found positive for Aspergillus fumigatus by culturing. Gross lesions were observed in lungs, trachea and t...
متن کاملCharacterization of Mycoplasma Gallisepticum Isolated from Commercial Poultry Flocks
Chronic Respiratory Disease (CRD) is caused by Mycoplasmas gallisepticum (MG) and is prevailing in layer, broiler and breeder poultry flocks. The infected birds showed sneezing, rales, coughing and exudates from nostrils and eyes. Mycoplasma species were recovered 27.3% overall, 39.3 per cent of the tracheal swabs, 15.9 per cent of tracheal tissues, 27.4 per cent of lung tissues and 25 per cent...
متن کاملGarbage Management: An Important Risk Factor for HPAI-Virus Infection in Commercial Poultry Flocks
Garbage management represents a potential pathway of HPAI-virus infection for commercial poultry operations as multiple poultry premises may share a common trash collection service provider, trash collection site (e.g., shared dumpster for multiple premises) or disposal site (e.g., landfill). The types of potentially infectious or contaminated material disposed of in the garbage has not been pr...
متن کاملStatus of Igg Antibodies against Mycoplasma Gallisepticum in Non- Vaccinated Commercial Poultry Breeder Flocks
The age wise status of Mycoplasma gallisepticum (MG) infection of broiler breeding stock (MG nonvaccinated) in and around Lahore district was determined during the period of December, 2006 to November 2007. In this study, a total of 2777 serum samples were referred from different areas surrounding Lahore. History revealed that all the samples were from MG non vaccinated flocks and subjected to ...
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ژورنال
عنوان ژورنال: Poultry Science
سال: 1941
ISSN: 0032-5791
DOI: 10.3382/ps.0200155