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tihommey(金币+10, 翻译EPI+1): 十分感谢，帮了大忙 2011-02-23 20:13:41
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Set a treatment in the control group, 2 treatments (adding 10mg/kg colistin sulfate and bacitracin zinc 40mg/kg) in antibiotic group and 3 treatments (adding 300mg/kg lysozyme) in lysozyme group. The first two days were taken as the transition days: piglets were fed with feed contended 30% of the test material on day 1, 60% on day 2; feeding less each time and more times. 28 The experiment started when the piglets were 28 days old and lasted for 28 days. Piglets were fed with feed in the form of dry powder, with drinking water freely. Proper temperature and ventilation in the barns should be maintained. |
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