Dear Juan Angelo,

Various method available for the detection of White Spot Syndrome.

One of the sensitive approach will be PCR

Here are few articles related:

http://www.ncbi.nlm.nih.gov/pubmed/22924635

http://www.ncbi.nlm.nih.gov/pubmed/16053274

http://download.springer.com/static/pdf/445/art%253A10.1007%252Fs10499-005-7898-4.pdf?originUrl=http%3A%2F%2Flink.springer.com%2Farticle%2F10.1007%2Fs10499-005-7898-4&token2=exp=1436346550~acl=%2Fstatic%2Fpdf%2F445%2Fart%25253A10.1007%25252Fs10499-005-7898-4.pdf%3ForiginUrl%3Dhttp%253A%252F%252Flink.springer.com%252Farticle%252F10.1007%252Fs10499-005-7898-4*~hmac=09d6f716b2da810d7765a52c211dda4369bd475f30ca5f5f1dc4f328ef55d7f6

http://www.int-res.com/articles/dao/38/d038p107.pdf

http://www.sciencedirect.com/science/article/pii/S2215017X15000259

Thanks

PCR as Yoke Kqueen Cheah has indicated.

Thank you for your answers, it has helped my thesis proposal.  If I may follow-up, what could be a morphological malformation that is best seen in a shrimp affected by WSSV?