A procedure for long lasting general anaesthesia in gulls (LaTus sp.) is described. It is based on an initial basal intramuscular dose of pentobarbital sodium, supplemented if necessary by intravenous injection to effect of the same agent. Additional intramuscular pentobarbital is used to extend the duration of anaesthesia. The labile respiration of the birds is supported with oxygen. In cases ...

Bacterial diseases in cultured fish are considered the main problem with aquaculture system in Iran. The gills are multifunctional organs responsible for respiration, osmoregulation, nitrogenous waste excretion, and acid-base balance. Moreover, they are very sensitive to water contamination. Aeromonas hydrophila (A. hydrophila) is an opportunist pathogen responsible for ...

The biological control program for diffuse knapweed, Centaurea diffusa Lamarck, a Eurasian plant that has invaded large areas of grasslands in western North America, has gone on for over 35 years. This program involved the release of 12 biological control agents of which four are numerous and widely distributed; two species of Tephritid flies, Urophora affinis and Urophora quadrifasciata, the r...

acanthopagrus latus is one of the major commercially exploited species in the persian gulf. in recent years, it has gained importance as a candidate for aquaculture. haematological parameters of wild-caught specimens were studied during the pre-spawning period to determine if they are influenced by the sex of fish. blood samples were collected from 55 fish (30 female and 25 male) captured from ...