Method for bathing fingerling in medicine
The drug bath treatment of fish before stocking is simple and safe, and the effect of preventing and controlling fish disease is ideal. Several better methods of fish seed medicine bath are introduced in this paper.
1. Potassium permanganate solution bathing method 10 mg / kg potassium permanganate solution for 10 minutes can kill bacteria, protozoa and paragonimus on body surface and Gill. Potassium permanganate should be used now, and water containing less organic matter should be selected for medicine bath with backlight.
two。 Bleach powder solution medicine bath method 1020 mg / kg bleach powder (containing 30% available chlorine) aqueous solution medicine bath for 10 minutes can kill bacteria on the body surface and Gill.
3. Salt water solution medicine bath method 3% to 4% address aqueous solution medicine bath for 10 minutes can kill some bacteria and protozoa on the body surface and Gill.
4. Bleach powder and copper sulfate mixture solution medicine bath method bleach 10 grams and copper sulfate 8 grams per cubic meter of water, medicine bath 10 minutes 30 minutes, can kill the bacteria and protozoa on the body surface and Gill.
5. Cupric sulfate or ferrous sulfate mixture 8 mg / kg cupric sulfate or cupric sulfate and ferrous sulfate mixture (5:2) bathing in aqueous solution for 10 minutes for 30 minutes can kill protozoa parasitic on body surface and Gill.
"five points for attention" in medicine bath: first, the number of medicine bath should not be too much, so as not to cause hypoxia; second, the duration of medicine bath is related to water temperature, water quality and fish species, so it should be mastered flexibly and tested in small batches each time to ensure the safety of fish fingers. third, after the medicine bath, it should be gently poured into the fish pond together with the liquid to prevent the fish from being bruised. Fourth, after the preparation of the solution, you can only bathe a batch of fish, otherwise the solution will be diluted, it will affect the disinfection effect; fifth, do not use metal containers.
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Processing method of liquid fish protein feed
Liquid fish protein feed is the use of aquatic products processing waste or low-value fish, after grinding or grinding, adding a certain amount of acid or microbial fermentation, through the fish's own enzymes to produce autolysis, make it liquefied into pulp products. Because this kind of protein feed has the quality of enduring storage, it is also called acid storage feed. Lactic acid bacteria fermentation (molasses fermentation) Natural lactic acid bacteria fermentation crushed raw fish without pollution or disease, and added molasses or sugar cane scraps according to 15% of its weight.
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Good effect of silkworm excrement feeding rabbits
Silkworm faeces has high nutritional value, crude protein content is 15.4%, second only to bran, higher than rice bran and grass, it is a good livestock feed. Feeding livestock and poultry with silkworm excrement often has good results. 1. Silkworm excrement feeding pigs can save a lot of concentrated feed, pigs gain weight quickly per unit time, and the slaughter rate is high. After sow eats silkworm excrement, milk secretion increases. Second, silkworm excrement feeding sheep milk secretion increased, wool production, sheep hair length can reach more than 14 cm. Third, silkworm excrement feeding cattle can make cattle hardy physique good. four
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