The fertilized fish eggs ( in fish farms ) are called fish seed and they are part of pisciculture.
Increasing fish seed production for cash generation has become an attractive option, especially as household seed and food fish needs are also met.
Quality of fish seed can be upgraded by improving techniques used by hatcheries and nurseries and through the establishment of standards and certification
Source: FAO, http://www.fao.org/docrep/field/003/AC381E/AC381E02.htm
Network of aquaculture centres is Asia Pacific, http://www.enaca.org/modules/news/article.php?article_id=1009