Health

Benzocaine, 2-phenoxyethanol and MS-222 were tested as anaesthetics for several handling procedures with spotted rose snapper broodstock. Significant differences in time for induction and recovery were found with specific doses, as well as a direct correlation…

In the eastern Gulf of Mexico, off the coast of Florida, grey snapper, was found to be infected with the myxozoan parasite Sphaerospora motemarini. In order to better understand the influence this specific myxozoan has on its host, Astrid S. Holzer, Institute …

F.F. Khalil, Ahmed Ismail Mehrim and Montaha E.M. Hassan, Al-Mansoura University, Egypt, have evaluated the effects of graded levels of a new commercial probiotic, Hydroyeast Aquaculture, on both sexes of adult Nile tilapia. The probiotic was found to be usefu…

Application of feeds in aquaculture can increase both production and profits considerably. Dr Seshaiah V. Pamulapati and Prakash Chandra Behera, PVS Group, India, discuss how trace minerals are having greater role in shrimp nutrition along with other minerals …

In an indoor feeding trial of Nile tilapia fish fry, A.M. Abdelhamid, Al-Mansourah University, Egypt and A.A.A. Soliman, National Institute of Oceanography and Fisheries, Egypt found that guava tree leaves meal (GTLM) and camphor tree leaves meal (CTLM) both h…

The Gram positive bacteria Streptococcus agalactiae (GBS) is a cause of severe epidemics in fish farms. To decipher the genetic basis for the emergence of these highly virulent GBS strains and of their adaptation to fish, Isabelle Rosinski-Chupin et al have an…

The ability to produce physiologically critical LC-PUFA from dietary fatty acids differs greatly among teleost species, and is dependent on the possession and expression of fatty acyl desaturase and elongase genes. Atlantic salmon, as a result of a recently du…

Research by Nelson Pea Navarro of the University of Costa Rica (UCR), has showed that some natural products can be substitutes for antibiotics in disease control of farmed shrimp. These natural alternatives can also increase production and maximise profits and…