- artificial hatching
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hatching of fish under artificial or controlled conditions
Dictionary of ichthyology. 2009.
Dictionary of ichthyology. 2009.
artificial incubation — artificial keeping of eggs under conditions favorable to hatching … English contemporary dictionary
Artificial fly — Classic 19th Century Artificial fly The Triumph An artificial fly or fly lure is a type of fishing lure, usually used in the sport of fly fishing (although they may also be used in other forms of angling). In general, artificial flies are the… … Wikipedia
artificial production — the spawning, incubating, hatching and/or rearing of fish in a hatchery … Dictionary of ichthyology
Zona hatching — is a phenomenon occurring during prenatal development. Prior to this event, the predecessor of the embryo, in the form of a blastocyst, is surrounded by a glycoprotein sphere called the zona pellucida. To be able to perform implantation on the… … Wikipedia
hatchery tray — a shallow rectangular tray use din artificial hatching of fish eggs … Dictionary of ichthyology
Life Sciences — ▪ 2009 Introduction Zoology In 2008 several zoological studies provided new insights into how species life history traits (such as the timing of reproduction or the length of life of adult individuals) are derived in part as responses to… … Universalium
Chicken — Gallus gallus domesticus redirects here. For other subspecies, see Red Junglefowl. Chooks redirects here. For the fast food chain, see Chooks Fresh Tasty. This article is about the animal. For chicken as human food, see Chicken (food). For other… … Wikipedia
Heliciculture — (snail farming) is the process of farming or raising snails.HistoryRoasted snail shells have been found in archaeological excavations, an indication that snails have been eaten since prehistoric times [ [http://watarts.uwaterloo.ca/… … Wikipedia
Characters in Dragonriders of Pern — Characters in the Dragonriders of Pern series of science fiction novels by Anne McCaffrey. Contents 1 8th Interval, 9th Pass 1.1 Major characters 1.1.1 AIVAS 1.1.2 F lar … Wikipedia
drawing — /draw ing/, n. 1. the act of a person or thing that draws. 2. a graphic representation by lines of an object or idea, as with a pencil; a delineation of form without reference to color. 3. a sketch, plan, or design, esp. one made with pen, pencil … Universalium