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. 2012 Oct 1;10(1):1–8. doi: 10.4314/ajtcam.v10i1.1

Table 6.

Summary of calf production data for trail 1 (version A) and trial 2 (version B).

Trial 1 with Version A Trial 2 with Version B
Control Low dose High dose Control Low dose High dose
Calves (n) 34 35 38 39 38 32
Initial age (d) 1.97 ± 0.20* 2.43 ± 0.20 1.95 ± 0.18 2.10 ± 0.21 2.18 ± 0.21 2.06 ± 0.20
Weaning age (days) 43.15 ± 0.86 40.91 ± 0.67 42.61 ± 0.69 39.90 ± 0.77 39.21 ± 0.77 38.69 ± 0.67
Initial BW 40.6 ± 0.85 41.05 ± 0.64 40.71 ± 0.94 40.51 ± 0.73 41.0 ± 0.66 41.32 ± 0.71
Weaning BW 80.5 ± 1.54 78.16 ± 1.35 78.45 ± 1.32 79.74 ± 1.12 80.85 ± 1.11 81.07 ± 1.41
ADG (kg/d) 0.89 ± 0.03 0.91 ± 0.02 0.89 ± 0.02 0.98 ± 0.03 1.03 ± 0.03 1.03 ± 0.03
Weaned by 6 weeks of age (%) 47.10 74.29 47.40 84.62 81.58 87.50
Total respiratory
health score
36 27 39 18 19 7
Total GI health score 35 32 47 50 36 24
Total respiratory & GI health scores 71 59 86 68 55 31
*

mean ± sem; BW, Body weight (kg); ADG, Average daily gain; Tx, Treatments;

P< 0.05.