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. 2012 Sep;25(9):1255–1261. doi: 10.5713/ajas.2011.11312

Table 3.

Weekly average daily gain (g/d) of calves fed with or without additives

Week Treatment
Pooled SE
Control Probiotic Prebiotic Synbiotic
1 22 63 55 67 13
2 59 101 115 128 29
3 200 284 252 295 22
4 507 596 612 635 35
5 643 677 689 711 44
6 995 1,018 1,037 1,125 43
7 1,024b 1,185a 1,190a 1,212a 25
8 974b 1,149a 1,188a 1,269a 38
a,b

Value with different Superscripts within a row differ significantly (p<0.05).