Category: Aquaculture | Costal and marine | Freshwater

Artificial Light: New Perspective in Aquaculture in Bangladesh

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 synthesis gonadotropin releasing hormone (GnRH), consequently triggers the pituitary to synthesis gonadotropin hormone (GTH). GTH then stimulates the gonad to mature by synthesizing gonadal hormone. This is also called brain-hypothalamus-pituitary-gonad …read more

Category: Aquaculture | Fish feed | Freshwater

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 potentiality to increase the maize cultivation due to its soil and climate suitability. Due to the huge demand for poultry feed, people and government of Bangladesh paid attention to grow …read more