Collection of materials for virological examination

COLLECTION OF MATERIALS FOR VIROLOGOICAL EXAMINATION

Collection of materials for virological examination of some important animal diseases

Diseases

Materials to be collected

Bovines

Rinderpest

Defibrinated or citrated blood at the height of temperature on ice, lymph glands and spleen on ice. Intestinal lesions, lymph nodes in 10% formal saline (Materials should never be collected in 50% buffered glycerine)

Foot and mouth disease

Vesicular fluid in transport medium, vesicular epithelium from fresh lesions in foot and mouth viz. tongue, gum, dental pad lesions in 50% buffered glycerine

Mucosal disease and Bovine viral diarrhoea

Defibrinated and citrated blood at the peak of temperature and lesions from mouth, gastrointestinal tract, spleen, liver and kidney in 50% buffered saline

Infectious bovine rhinotracheitis/infectious pustular vulvovaginits

Nasal, conjunctival and genital, swabs and foetal tissues in transport medium (Hank’s medium), paired serum samples. Affected trachea, turbinate bones, foetal tissues etc. in 10% formal saline and in transport medium

Cow pox

Skin scrapings and vesicular fluid in transport medium (Hank’s medium)

Bovine malignant catarrhal fever

Citrated or defibrinated blood, lymph nodes of head, neck, pieces of liver, spleen on ice. Pieces of brain, liver, spleen, kidney, adrenals, nasal mucosa in 10% formalin

Ephemeral fever

Heparinized, citrated or defrinated blood on ice, paired sera samples

Influenza and para-influenza

Nasal swabs in Hank’s medium and paired serum samples

Rabies

As given in canines

Ovine and Caprine

Pox

As in bovines

Bluetongue

Nasal swabs, tongue epithelium in Hank’s medium, paired sera samples, citrated blood etc.

Louping ill (encephalomyelitis)

Citrated blood at height of temperature on ice, paired sera samples, brain in 50% buffered glycerine

Visna and maedi

Citrated blood, cerebrospinal fluid and saliva in Hank’s medium, brain, lungs and spleen in 50 % glycerine saline

Equine

African horse sickness

Citrated blood at height of temperature on ice, paired sera samples, spleen, lymph nodes, brain on ice

Equine Herpes virus –I

Nasal, vaginal, conjunctical swabs, aborted material from foetus in Hank’s medium, paired sera samples

Influenza

As in Bovines

Equine encephalomyelitis

Citrated blood, brain on ice, paired sera samples

Equine infectious anemia

Serum, whole blood on ice

Rabies

As in canines

Canines

Rabies

Half of the brain in 50% glycerine saline on ice packed carefully sent through courier. Brain fixed in 10% formalin, smear of brain tissue fixed in methyl alcohol

Infectious canine Hepatitis

Lung, liver, kidney and urinary bladder in transport media and 10 % formalin. Paired sera samples

Canine distemper

Conjunctival swabs and scrapings from gums in Hank’s medium, gum smears on slides, pieces of lung, liver, bladder, trachea, stomach in Hank’s medium and in 10% formalin

Canine parvo virus

Pieces of liver, spleen, intestines, stomach, mesenteric lymph nodes in 50% glycerine saline

Porcine

Swine fever

Citrated blood, pancreas, half brain, tonsils, spleen, lymph nodes on ice and 50% glycerine saline and 10% formalin

Viral pneumonia

Pleural exudates in Hank’s medium, lungs, mediastinal lymph nodes on ice and 10% formalin

Vesicular exanthema and vesicular stomatitis

Vesicular fluids, tissues from snout, lips, foot pad lesions in Hank’s medium on ice

Rabies, Aujesky’s disease and Teschen disease

Duplicate specimen of brain, spinal cord, spleen, and p[ortion of faeces on ice and 10 % formalin saline. Blood serum

Swine influenza

Nasal swabs and lung tracheal tissues on ice

Poultry

Infectious Bronchitis/infectious laryngotracheitis

Whole bird or duplicate portion of trachea, lung and kidney on ice and 10% formalin

Avian encephalitis

Whole bird, bursa, spleen, and thymus on ice

Newcastle disease

Whole bird or brain, spleen, liver, caecal tonsils, intestines in 50% glycerine, serum samples from acute and convalescent cases

Fowl pox

Comb, skin, eyelids with scabs in 10 % formal saline. Scabs and pustules in 50 % glycerine saline

Marek’s disease

Affected bird, peripheral nerves, brain, ovary, lung, liver, kidney, spleen, heart in 10 % formal saline. Skin and feather in 10 % formal saline. Skin and feather tips from crural region as such

Gumboro disease

Whole bird, bursa, spleen and thymus on ice

 

 

Last modified: Saturday, 3 December 2011, 10:50 AM