Fish disease can be prevented and controlled by adding medium and high amount of VC in feed
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Last Update: 2001-11-19
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Source: Internet
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Author: User
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Introduction: in order to determine the effect of VC on the growth and pathology of Nile tilapia, Egyptian aquatic researchers conducted an experiment The average weight of test fish was 20g, adding VC 0, 50, 150, 250, 500, 1000mg / kg respectively, and feeding for 12 weeks, the growth of fish without VC feed was detected to be poor Adding 50mg / kg to prevent fish body from lack of symptoms Adding 150mg / kg to improve weight gain, feed conversion rate, specific growth rate and protein efficiency of tilapia The protein content of fish body increased and the fat content decreased with the increase of VC content The Vc contents in fish were spleen, liver, muscle and kidney The mortality rate of tilapia infected with bacteria was more than 90% when it was fed with VC feed of different content, but the survival rate of tilapia fed with vc1000mg / kg feed was more than 90%, and the pathological infection symptoms gradually disappeared (author:) share to feed Weibo share to:
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