The dermis is a layer of skin between the epidermis (with which it makes up the cutis) and subcutaneous tissues, that consists of connective tissue and cushions the body from stress and strain.t also contains Mechanoreceptors that provide the sense of touch and thermoreceptors that provide the sense of heat. In addition, hair follicles, sweat glands, sebaceous glands, apocrine glands, lymphatic vessels and blood vessels are present in the dermis.
1.1 DEFINITION. Aquaculture is the farming of aquatic organisms, including fish, molluscs, crustaceans and plants. It implies some form of intervention in the rearing process to increase production, such as regular stocking, feeding and protection against predators.
Salmon aquaculture, also known as salmon farming, is the industrial mass production of salmon. Farmed salmon are raised in net cages located in the ocean close off shore. Disease and parasites tend to multiply quickly in these densely populated feedlots and can spread to wild fish.almon aquaculture, also known as salmon farming, is the industrial mass production of salmon. Farmed salmon are raised in net cages located in the ocean close off shore. Disease and parasites tend to multiply quickly in these densely populated feedlots and can spread to wild fish.