Freshwater fish

Cutaneous ulcers in koi are one of the most common complaints for which the fish practitioner is called upon, writes Julius M. Tepper, DVMLong Island Fish Hospital, Manorville, New York, while speakin…

CANADA - A tiny number of Asian carp could establish a population of the invasive fish in the Great Lakes, according to new research from the University of Waterloo.

This article provides a quick guide to breeding males for tilapia farming and best practice for hatchery, grow out and slaughter, writes Lucy Towers, editor of TheFishSite.

Cryopreservation is a process to maintain genetic material (such as spermatozoa) in subzero freezing. Abinawanto Zuraidah and Retno Lestari, University of Indonesia, disscussed the effect of skimmed m…

This study, by Ibrahim Diler et al, Suleyman Demirel University, Turkey, is the first trial to evaluate algae meal, Ulva rigida, as an inexpensive and locally available feed ingredient in the diet of …

Koi herpesvirus (KHV) is a highly contagious virus that causes significant morbidity and mortality in common carp (Cyprinus carpio) varieties (Hedrick et al. 2000, Haenen et al. 2004). Common carp is …

One of the most common problems of tropical and ornamental fishes are those caused by parasites. Fish parasites include protozoans, trematodes, cestodes, nematodes, acanthocephalans, crustaceans and a…

In a 12-week indoor feeding trial by A. M. Abdelhamid, Al-Mansourah University and A. A. Soliman, Egypt National Institute of Oceanography and Fisheries, common carp fry were fed dietary graded levels…

CHINA - The average wholesale prices of eight kinds of aquatic products were up by 0.5 per cent compared to the previous week.

US - Asian carp are knocking on the door of the Great Lakes, but managers now can better pinpoint strategies to control their rapidly increasing population, according to a new model for tracking carp …

The catfish industry has experienced a dramatic downsizing in the last several years in large part because of rapidly increasing feed cost. This increased cost is directly correlated to the increased …

Aflatoxins are known as a hepatocarcinogen in various animal species, including fish. The present study, by Dr Ahmed Ismail Mohamed Mehrim from Mansoura University, Egypt, was designed to evaluate the…

To study the effect of dietary inclusion of graded levels (0, 1, 2 %) of Fenugreek seed meal (FSM) or Cresson seeds meal (CSM)on Nile tilapia fry performance, A.M. Abdelhamid and A.A.A. Soliman, Al-M…

Hydroferrate fluid, MRN-100, an iron-based compound derived from bivalent and trivalent ferrates, is a potent antioxidant compound. Mamdooh GHONEUM, Charles Drew University of Medicine and Science, US…

Comparative genomics is a powerful tool to transfer genomic information from model species to related nonmodel species. Yu Zhang et al, Auburn University, chose catfish linkage group 8, which was foun…

The yellow coloration in catfish fillets caused by carotenoids does not affect flavor, but many consumers see the yellowish fillets as inferior. Taken from the Global Aquaculture Advocate, a Global Aq…

Lab studies with channel catfish and rainbow trout have found that phytogenic feed additives can help improve weight gain, feed conversion and immunity to disease. A pond study in Mississippi, USA, by…

INDIA - A caged aquaculture demonstration project in inland water - a first in the state of Kerala in the Pookode Lake in Wayanad district - has proven to be a great success.

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 sexe…

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 l…