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试验用72头三种类型的断奶仔猪研究荣昌猪及其杂交猪生长期饲粮锌的适宜添加量。试验结果表明饲喂基础饲粮(含300ppm锌)的长X汉荣和长X荣杂交猪及荣昌猪都出现缺锌症状,以长X荣杂交猪最敏感,荣昌猪最次。在该饲粮中加30ppm锌可防止猪的皮肤不全角化
In this study, 72 three types of weaned piglets were used to study the appropriate dietary zinc supplementation in Rongchang pigs and their hybrid pigs. The results showed that the long-X and the Rongchang pigs with the basic diet (containing 300ppm zinc) had zinc deficiency symptoms, the most sensitive pigs with long Xerong crossbred pigs and the Rongchang pigs most frequently. Adding 30 ppm zinc to the diet prevents pig skin imperfections