Effects of low dietary calcium and lipopolysaccharide challenges on production performance, eggshell quality, and bone metabolism of laying hens.

Treatment differences were considered significant at p < 0.05 and the tendency towards significance was noted at 0.05 < p ≤ 0.10. 3 Results 3.1 Production performance and egg quality traits All hens were fed a normal diet during the adaptation period, and eggshell quality did not differ ( p < 0.05, Table 3 ) significantly between the two groups.

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