How does artificial light affect the growth of fish? To clarify this mechanism, it is important to mention the common endocrine mechanism in fish. The environmental factors such as temperature, rainfall, photoperiod, water current stimulate the hypothalamus of fish to
Maize in fish feed: in context of Bangladesh
Maize (called vutta in Bengali) is one of the emerging crops in Bangladesh, is being cultivated for long time; though still is being considered as minor crops. Price, demand and supply of maize are increasing worldwide. Bangladesh has a great
Brood banks in Bangladesh
In general, brood bank is a place (hatchery or farm) where brood fishes are available. Under the project “Establishment of the brood bank” by government of Bangladesh, two brood banks were established in each division of the country where quality
Duck weeds in Bangladesh
Duck weeds are the group of floating plants belonging to the genera Lemna, Azolla and Wolffia (Singh and Mittal, 1999). But Das (1997) mentioned Lemna, Spirodela, Wolffia and Wolffiella genus as duck weeds. So far, a total of 34 species
Nursery management of Labeo calbasu at Raipur Fish Hatchery, Laxmipur
The Labeo calbasu (Hamilton, 1822) is a threatened fish species (present status: Endangered) in Bangladesh due to the loss of habitats (IUCN Bangladesh, 2000). Successful artificial or induced breeding can be a good option to conserve this species. However, nursing
Fish pox: a skin disease of fishes
Fish pox, or carp pox, is one of the oldest known diseases of fish, recorded as early as 1563. Fish pox is a chronic skin disease that occurs among several species of propagated cyprinids. It is also called carp pox,
VHS: a vesceroptropic disease of young fishes
An acute to chronic vesceroptropic disease of young (fingerling to yearling) rainbow trout at 100C or lower. Also in adult trouts and salmonids, but not usual. Etiology: VHSV (Viral Haemorrhagic Septicemia Virus) Viral characteristics: Bullet-shaped rhabdovirus, enveloped. Length- 180 nm,