1887

Ornamental fish farming

image of Ornamental fish farming
GBP
Online Access: £ 25.00 + VAT
BSAVA Library Pass Buy a pass

Abstract

THIS MANUAL HAS BEEN REMOVED FROM SALE. IT REMAINS AVAILABLE TO THOSE WHO HAVE ALREADY PURCHASED ACCESS. INDIVIDUAL CHAPTERS MAY STILL BE PURCHASED

Ornamental fish farming has been practised for over a thousand years and began with the breeding of gold-fish in China. Today the variety of commercial enterprises producing ornamental fish is as wide as the species produced. This chapter covers health controls, problems, production and distribution.

Preview this chapter:
Loading full text...

Full text loading...

/content/chapter/10.22233/9781910443538.chap3

Figures

Image of Figure 3.1
Figure 3.1 Koi-rearing ponds in the Far East. In Japan, most koi are reared in large earth ponds on an extensive basis. (Courtesy of R. Hale.)
Image of Figure 3.2
Figure 3.2 These large purpose-built holding ponds are typical of intensive farming systems used in Israel. (Courtesy of Mag Noy.)
Image of Figure 3.3
Figure 3.3 Manual stripping of female koi. The fish is sedated and gentle manual pressure applied to the abdomen to massage the eggs through the vent. (Courtesy of Mag Noy.)
Image of Figure 3.4
Figure 3.4 Milt (sperm) is collected from male koi and placed in containers immersed in ice. (Courtesy of Mag Noy.)
Image of Figure 3.5
Figure 3.5 Adding milt to freshly stripped eggs from koi. (Courtesy of Mag Noy.)
Image of Figure 3.6
Figure 3.6 Gentle and thorough mixing of milt and eggs is achieved on a mechanical rocking table. (Courtesy of Mag Noy.)
Image of Figure 3.7
Figure 3.7 Fertilized eggs are incubated in Zuger jars. These open-topped glass funnels have an upflow of fresh water which keeps the eggs in constant motion. (Courtesy of Mag Noy.)
Image of Figure 3.8
Figure 3.8 Fry-rearing ponds, where warm water temperatures are maintained inside polyethylene tunnels.
Image of Figure 3.9
Figure 3.9 Massive outdoor ponds where koi are grown on to a size suitable for sale.
Image of Figure 3.10
Figure 3.10 Koi in natural earth ponds. The water clarity is often very different from that in hobbyist ponds. (Courtesy of R. Hale.)
Image of Figure 3.11
Figure 3.11 Goldfish being netted in the rearing ponds prior to transfer to holding tanks and sale. A paddle-wheel aerator is operating in the background. (Courtesy of Mag Noy.)
Image of Figure 3.12
Figure 3.12 A natural earth pond in the Far East that has been drained as part of an annual pond management programme. (Courtesy of B. Brewster.)
Image of Figure 3.13
Figure 3.13 Packing facility in Israel, where fish are prepared for export.
Image of Figure 3.14
Figure 3.14 Typical container for exporting koi. Using a double-bag system, the inner bag is filled to one third of its volume with water, inflated with oxygen and placed inside an insulated cardboard box. (© W.H. Wildgoose.)
This is a required field
Please enter a valid email address
Approval was a Success
Invalid data
An Error Occurred
Approval was partially successful, following selected items could not be processed due to error