Application Test of China Agricultural Sciences Feed for Longchang Bile Acid in California, California – Aquatic Forum – China Animal Husbandry Website – A useful animal husbandry website

I. Test objectives and requirements: This study was based on “Evaluation of Test Guide” for the effectiveness of feed raw materials and feed additives, ” Antioxidant capacity, intestinal digestive enzyme activity and cholic acid content, gallbladder bile acid content, and the like to determine the effectiveness added in the aquatic feed.
Second, Test Time: July 14, 2014 ~ September 21, 2014.
Third, Test Animals: Mikah (MicropterusSalmoides, also known as California), the initial weight is 6.17 ± 0.02g.
Four, the subject: bile acid (effective content is 99.1%, provided by Shandong Longchang Animal Health Products Co., Ltd.).
Five, Test Places: National Aquatic Feed Safety Evaluation Base, China Academy of Agricultural Sciences Feed Research Institute.

Sixth, Test Feed: Add 0, 80, 160, 240, 300, 600mg / kg of bile acid in the base feed of Daguang, to make 6 puffed extrusion of 6 diameters of 2.0 mm Suspended pellets, naturally dry after drying. The six processing groups were named D0, D80, D160, D240, D300, D600 in turn.
VII: Test Design:
Eight, the test results show that the addition of the appropriate amount of bile acid in the feed can effectively promote the feeding of California, improve growth performance, but increase the total liver’s total bile acid content. The total amount of bile acid in California sack feed was analyzed by regression model analysis by regression model analysis, respectively, by regression model analysis, respectively, by regression model analysis, 440.5 mg / kg, 283.3 mg / kg and 253.8 mg / kg. The variance analysis results show that the feed is added to 300 mg / kg bile acid, California has the highest growth performance, and there is no difference in liver bile acid content and 240 mg / kg.

In the addition of 0, 80, 160, 240, 300, 600 mg / kg, bile acids effectively reduce the MDA content of California, improve its antioxidant capacity; bile acid by improving HDL in plasma -C content significantly promotes fat metabolism, and effectively improves intestinal amylase and lipaseactive. Comprehensive growth performance, immune antioxidant indicators and bile acid accumulation levels in the liver, it is recommended that the bile acid recommended in California is 253.8 ~ 283.3 mg / kg, and the highest recommended dose is 300 mg / kg.
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