Application of platycarya strobilacea fruit extract in feed for freshwater fish
A kind of extract and the technology of Huaxiangguo, which is applied in the field of feed additives of Huaxiangguo extract for freshwater fish, can solve the problems of unsatisfactory performance, reduce the bait coefficient, improve the fatness and serum superoxide dismutase activity, Good effect of farming application
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Embodiment 1
[0035] Example 1 provides an additive for freshwater fish with Huaxiangguo extract. The method for extracting the Huaxiangguo extract includes the following steps:
[0036] Step 1: Weigh 1000g of Huaxiang fruit sequence into a round-bottomed flask, add first-grade water at 80°C according to the material-to-liquid ratio of 1:15, heat in an oil bath at 80°C, extract for 1 hour, repeat the extraction twice, and combine the extracts. Concentrate under reduced pressure at 50°C to a quarter of the original volume.
[0037] Step 2: The concentrated solution is freeze-dried to obtain 510 g of extract, and the tannin content is 71.4%.
[0038] The present embodiment also provides an application of a freshwater fish using an aromatic fruit extract feed additive, which is applied in freshwater fish farming. As a preferred technical solution, the prepared feed additive is added in the feed It is 125g / t.
[0039] The specific application process is as follows:
[0040] Feed configuration: The test...
Embodiment 2
[0047] Example 2 provides a freshwater fish with Huaxiangguo extract additive. The extraction method of the Huaxiangguo extract is the same as that of Example 1.
[0048] The present embodiment also provides an application of a freshwater fish using an aromatic fruit extract feed additive, which is applied in freshwater fish farming. As a preferred technical solution, the prepared feed additive is added in the feed It is 250g / t.
[0049] The specific application process is as follows:
[0050] The test feed was prepared in the same manner as in Example 1, and 250 ppm of Huaxiangguo extract was added to the basic diet.
[0051] The juvenile freshwater fish (Tilapia) with the same specifications were randomly divided into 6 breeding buckets (specification 300L), 30 test fish in each breeding bucket. After 15 days of adaptation, the test fish were fed with the test diet and randomly fed with the compound feed supplemented with Huaxiang fruit extract. There were 6 parallel trials. The f...
Embodiment 3
[0053] Example 3 provides an additive for freshwater fish with Huaxiangguo extract, and the extraction method of the Huaxiangguo extract is the same as in Example 1.
[0054] The present embodiment also provides an application of a freshwater fish using an aromatic fruit extract feed additive, which is applied in freshwater fish farming. As a preferred technical solution, the prepared feed additive is added in the feed It is 500g / t.
[0055] The specific application process is as follows:
[0056] The test feed was prepared in the same manner as in Example 1, and 500 ppm of Huaxiangguo extract was added to the basic compound diet.
[0057] The juvenile freshwater fish (Tilapia) with the same specifications were randomly divided into 6 breeding buckets (specification 300L), 30 test fish in each breeding bucket. After 15 days of adaptation, the test fish were fed with the test diet and randomly fed with the compound feed supplemented with Huaxiang fruit extract. There were 6 parallel t...
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