Ahmed Din Anjum

Salah Mohammed For immediate detection, PCR with clinical signs may be helpful. Seroconversion may take different time for different viral agents based on type of antigen, degree of challenge and duration of exposure.

pham huu nhon Most likely maternal antibodies.

LPAIV infection can be detected through AGID serological surveillance using egg yolk as early as 7 days post-inoculation, but use of HI or ELISA tests may delay detection by an additional 4 days [Mariana Sa´ e Silva & D.E. Swayne, 2012. Avian Diseases, Vol. 56, No. 3, 2012, Pages 601–604] Furthermore, immunogenicity of serotypes varies. In H9N2 virus-infected chickens, the antibody ...

Indirect ELISA is more specific.

Azhar Hussain yes - applicable to all ages.

manar mohie ME influences egg size.

My Dear Dr Rama Prasad Chakraborty 1. Total Dissolved Salts (TDS) or Total Soluble Salts (TSS) is expressed as parts per million (ppm) or milligrams per liter (mg/l) or micrograms per milliliters (µg/ml) ..... not in 'ppb'. 2. A TDS of "0 to 1000 ppm" is considered good for poultry. 3. A pH between 6.5 and 8.5 gives satisfactory performance in poultry. 4. For Total bacteria count (cfu/ml), an a ...

Respiratory signs and nasal discharge present.

After carefully looking at the given photo, please note: 1. The liver appearance and fragility more relate to autolysis rather than any disease. 2. The black colour of the intestines further supports putrefactive change rather than indicative of any disease. Please study more cases in the same flock to declare it "EXTREMELY FRAGILE LIVER".