EXALT 发表于 2025-3-30 08:28:40
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http://reply.papertrans.cn/24/2382/238175/238175_54.png枪支 发表于 2025-3-31 04:53:47
Physiological Aspects of Copper in Pig Dietsfeed which is considered covering the optimal requirement for growth. Growth rate stimulation from 8 to 9.7% and increasing feed efficiency by 5.5 to 7.9% (Braude et al., 1962; Braude, 1967) have been demonstrated. Experiments using up to 207 ppm of Cu in the feed given as CuSO. conclude that the grdeface 发表于 2025-3-31 07:23:24
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