The majority of packages containing samples to be sent to the Institute will only require to be sent in a sturdy package and will not be subject to transport regulations for dangerous goods.
Samples should be labelled "Diagnostic Sample"
Responsibility for ensuring suitable and correct packaging is used lies with the sender.
It is advised that, if possible, tissues are fixed for 24 hours prior to transport. Samples can then be drained of formalin, wrapped in wet tissue and placed in sealable plastic bags for transport. This avoids transporting buffered formalin pots in the post and reduces the weight of the parcel. As long as tissues remain moist after fixation then they will remain in a suitable state for histopathological processing. Tissues freshly placed in buffered formalin pots can be transported if it is important to submit the samples to the laboratory quickly.
Tissues in formalin should not be send in the same parcel as bacteriology plates or virology tissues.
Fish for bacteriological analysis are preferably submitted live to the Institute but if plates have to be transported to the laboratory then some simple precautions should be taken.
The following sampling procedures are intended to provide a general guide for Cell Culture and Molecular based testing. Please contact Virology Laboratory staff directly if you require further clarification or advice.
Fry: Remove and discard heads and tails from posterior to the vent. Retain the remaining portion of the body.
Fingerlings: Open the body cavity and remove the viscera including kidney by cutting and scraping. Retain these tissues for examination.
Larger Fish: For general viral screening remove and retain a portion of the kidney, spleen, caecae-pancreas, liver and gill in the weight ratio of approximately 3:1:1:1:1.
Tissues from a maximum of 10 fry or fingerlings may be pooled and treated as one sample. When larger fish are sampled, tissues from a maximum of 5 fish may be pooled and treated as one sample. Details of the tissue required to be sampled for specific viral disease testing can be arranged by direct consultation with Virology Staff.