2010年10月12日 星期二

Simple Step by Step Guide to Fingerlings Production

Simple Step by Step Guide to Fingerlings Production

This is the artificial production of fingerlings from a gravid sexually matured male and females called brood stock. This is done within a confined facility for a period of 4-6 weeks. A well trained individual can successfully take care of catfish fingerlings to the point of sales and beyond.

Method

The selected male and female are kept in the brood stock tank. The female are selected and are induced with hormones, the commonly used hormone is the pituitary gland which are obtain from the base of the brain. The head is cut,,but this option was almost as appealing as passing the kidney stone again. the brain box is open, the pituitary gland is often found as a small whitish substance at the base of the brain. This is the mashed in pebble or plastic into a solution (using 9% physiological salt) which can be prepared by adding 9% salt into one litter of water.

These are then taken into the syringe and needle and are injected into the female fish above the lateral line into the female fish above the lateral line with the muscle.

Note that, the selected female must meet all necessary requirements for spawning.

The fish are then placed in a separate basin with little water on top of it -this water must not be too much, it must be kept alone aid separate to avoid in-fighting, brushes and unnecessary stress on the female fish.,Welcome to TMJ-Bruxism-Guide.com. The female fish are kept alone for between 9-12 hours at 28C.

By the end of this period which is called latency period, the egg is said to have start running and ready to spawn.

At this point the male is incised laterally and the male reproductive organ called milt is removed and placed in a dry place.

Note: Under no circumstances should water touch the milt or the content of the milt.

Also, all that is requires for a successful spawning must be put into place before the male reproductive organ is removed.,Wall mirrorboth outdoors and indoors, with home accessories of a high quality. The tank must be prepared, the spawning net and all other necessary items.Shop for Bedding and Bath Products and Promotions at Target.

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