Stichopus japonicus dish-shaped granulated feed
A pellet feed and dish-shaped technology, applied in the field of aquatic feed, can solve the problems of easy loss of nutrients and can not meet the long-term feeding of sea cucumbers, and achieve the effects of prolonging feeding time, reducing breeding costs and maintaining high shape.
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Embodiment 1
[0021] 1. Grind the feed materials to 100-200 meshes respectively, according to the formula: 30% sargassum powder, 10% sargassum powder, 35% kelp powder, 10% fish meal, 8% yeast powder, 4% shell powder, and 1 feed attractant. %, compound vitamin 2‰, and immune enhancer 2‰, weigh the raw materials and mix them;
[0022] 2. Add the binder sodium alginate 1.6% to the feed, put it in the mixer and stir it fully; the tablet press machine has multiple disc-shaped molds, and the mixed wet feed is extruded into a disc shape in the tablet press machine and passed through the conveyor belt. The adsorption effect of the molded disc-shaped granules is demoulded, and then dried to obtain a solid disc-shaped granule feed. The lower surface of the solid disc-shaped granule feed is a flat circle with a radius of R1.5 cm, and the upper surface is 0.5 to 0.6 cm high. The arc shape, that is, the height H of the dish-shaped pellet feed, such as figure 1 shown.
[0023] Sea cucumber breeding exp...
Embodiment 2
[0027] Mechanized feeding experiment of sea cucumber feed:
[0028] The mechanized feeding experiment of feed was carried out in the caisson of a japonicus breeding factory in Penglai. The experimental group was fed with disc-shaped pellet feed of sea cucumber, and the control group was fed with commercial flake feed of sea cucumber. Each treatment had three parallels.
[0029] Pellet feed is fed through a pneumatic bait feeding machine. The disc-shaped granule feed of sea cucumber in the experimental group has low resistance in the bait delivery pipeline and water, and is easy to disperse after power is applied, and can basically spread throughout the entire cage. , and the dispersion range in the cage is also small. Therefore, the dish-shaped pellet feed of sea cucumber is more suitable for various sea cucumber farming modes such as net cages, caissons, hanging cages, industrialization, and ponds, which are mechanized feeding methods.
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