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A metaphase cell positive for the bcr/abl rearrangement (associated with chronic myelogenous leukemia) using FISH. The chromosomes can be seen in blue. The chromosome that is labeled with green and red spots (upper left) is the one where the rearrangement is present. Fluorescence in situ hybridization (FISH) is a molecular cytogenetic technique ...
A medieval view of fish processing, by Peter Brueghel the Elder (1556). There is evidence humans have been processing fish since the early Holocene. For example, fishbones (c. 8140–7550 BP, uncalibrated) at Atlit-Yam, a submerged Neolithic site off Israel, have been analysed. What emerged was a picture of "a pile of fish gutted and processed ...
Fish embryos go through a process called mid-blastula transition which is observed around the tenth cell division in some fish species. Once zygotic gene transcription starts, slow cell division begins and cell movements are observable. [4] During this time three cell populations become distinguished. The first population is the yolk syncytial ...
Fish preservation is the method of increasing the shelf life of fish and other fish products by applying the principles of different branches of science in order to keep the fish, after it has landed, in a condition wholesome and fit for human consumption. [ 1][ 2] Ancient methods of preserving fish included drying, salting, pickling and smoking.
The first month after hatching is particularly crucial and mortality during the larval phases is particularly high. Larval survival drops to 30 – 34% after the first 20 days of hatching and larval development. [5] [6] Larvae usually hatch 48 hours after fertilisation and spend their first 17 days as feeding larvae or auricularia. [4]
Following advantages can be achieved from IPRS technology in Pakistan: (i) Improved fish production (75 – 150 kg/m3), (ii) Reduced production cost per unit of fish production (<30 – 35%), (iii) Improved Feed Conversion (FCR: 1.00 – 1.4) and feeding efficiency, (iv) 100% fish catch rate without discharge of water from pond, (v) Staggered ...
Juvenile fish are marketed as food. Whitebait is a marketing term for the fry of fish, typically between 25 and 50 millimetres long. Such juvenile fish often travel together in schools along the coast, and move into estuaries and sometimes up rivers where they can be easily caught with fine meshed fishing nets.
Nuria rerio. Perilamopus striatus. The zebrafish ( Danio rerio) is a freshwater fish belonging to the minnow family ( Cyprinidae) of the order Cypriniformes. Native to India [ 2] and South Asia, it is a popular aquarium fish, frequently sold under the trade name zebra danio[ 3] (and thus often called a "tropical fish" although it is both ...