Selenium-rich chlorella based functional fish feed and preparation method thereof
A technology for fish feed and chlorella, which is applied in the field of functional fish feed based on selenium-enriched chlorella and its preparation, can solve the problems of low utilization rate, easy to produce toxicity due to improper use, and achieves increased growth rate and survival rate, It is very easy to popularize breeding and enhance the effect of selenium content and astaxanthin content
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[0032] The functional fish feed based on selenium-enriched chlorella and the preparation method thereof are characterized in that the fish feed includes: rapeseed meal, rice bran, flour, fish meal, soybean meal, composite minerals, calcium dihydrogen phosphate , Choline chloride, multivitamins and selenium-enriched chlorella powder; the mass percentage of its fish feed formula is:
[0033] Rapeseed meal: 20-30%;
[0034] Rice bran: 20-30%;
[0035] Flour: 15-20%;
[0036] Fish meal: 8-20%;
[0037] Soybean meal: 10-15%;
[0038] Complex minerals: 0.1-0.3%;
[0039] Calcium dihydrogen phosphate: 1-2%;
[0040] Choline chloride: 0.2-1%;
[0041] Multivitamin: 0.1-0.15%;
[0042] Selenium-enriched chlorella powder: 2-3%.
[0043] The compound vitamins include vitamin A, vitamin C, vitamin D, vitamin E, vitamin B1, vitamin B2, vitamin B3, vitamin B6, vitamin B7, vitamin B11, and vitamin B12.
[0044] The specific production method is as follows:
[0045] 1) Preparation of selenium-enriched chlorel...
Example Embodiment
[0049] Example 1: (Take feeding tilapia as an example)
[0050] A functional fish feed based on selenium-enriched chlorella. The following pulverized feed materials are taken according to mass percentage: rapeseed meal 29.5%, rice bran 28%, flour 15%, fish meal 10%, soybean meal 14% , Composite minerals 0.1%, calcium dihydrogen phosphate 1%, choline chloride 0.3%, multiple vitamins 0.1%, selenium-enriched chlorella powder 2%. Mix the above ingredients, add appropriate amount of water and stir evenly, and then granulate with a granulator.
[0051] Take the tilapia fry of about 4-5 cm as an example, feed the feed of the present invention and ordinary feed for two months, check the selenium content of the fish in the fish and the growth indicators of the fish. The statistics of other indicators are shown in Table 1:
[0052] Table 1 Functional fish feed culture effect based on selenium-enriched chlorella
[0053]
[0054] This breeding example shows that feeding the feed of the present ...
Example Embodiment
[0055] Example 2: (Take feeding tilapia as an example)
[0056] Further: according to mass percentage, take the following crushed feed materials: rapeseed meal 21%, rice bran 21%, flour 19%, fish meal 19%, soybean meal 14%, complex minerals 0.2%, calcium dihydrogen phosphate 2 %, choline chloride 0.65%, multivitamin 0.15%, selenium-enriched chlorella powder 3%. Mix the above ingredients, add appropriate amount of water and stir evenly, and then granulate with a granulator.
[0057] Take tilapia fry of about 4-5 cm as an example, feed the feed of the present invention and ordinary feed for two months, check the selenium content of the fish in the fish and the growth index of the fish. The statistics of other indexes are shown in Table 2:
[0058] Table 2 Functional fish feed breeding effect based on selenium-enriched chlorella
[0059]
[0060] This breeding example shows that feeding the feed of the present invention can effectively increase the selenium content of tilapia. The selen...
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