Professor Billard has brought together a panel of international experts to produce a comprehensive and practical volume about carp production and management. Starting with a brief look at the biology of cyprinids, the book goes on to discuss the methods and management of carp farming, from water quality to the economics of fish production in ponds. Novel methods to improve stock, including genetic engineering, are covered and case studies give added value to the text.They can withstand cold waters and have a remarkable resistance to falls in temperature, down as low as is needed for ice to form ... When there is sufficient food available goldfish can spawn as 1 -year-olds. ... At hatching, larvae are 3 to 5 mm long and. after 2 to 4 days, resorb their yolk and begin to search for zooplankton.
|Publisher||:||Springer Science & Business Media - 1999-04-15|