2022
DOI: 10.1093/tas/txac131
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The effect of supplementing CLOSTAT 500 (Bacillus subtilis PB6) to yearling steers in a commercial feedyard on health, Salmonella spp. prevalence, feedlot growth performance and carcass characteristics

Abstract: British and British × Continental crossbred beef steers, n = 2,100; 313 ± 38 kg of initial body weight (BW) were used to evaluate the effects of Bacillus subtilis PB6 supplementation to yearling steers in a commercial feedyard on health, prevalence of Salmonella spp., growth performance, and carcass characteristics. Steers were blocked by arrival date and assigned randomly to pen within block; pens were randomly assigned to 1 of 2 dietary treatments within block. Treatments, replicated in 15 pens/treatment wit… Show more

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Cited by 4 publications
(5 citation statements)
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“…Carcass characteristics, including HCW, dressing percentage, 12th-rib fat, longissimus muscle area, marbling score, USDA quality grade, and yield grade did not differ by treatment ( P ≥ 0.36). These results are consistent with other studies with B. subtilis PB6 supplementation to feedlot cattle ( Smock et al., 2019 ; Smith et al., 2021 ; Word et al., 2022 ). Likewise, Krehbiel et al.…”
Section: Resultssupporting
confidence: 93%
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“…Carcass characteristics, including HCW, dressing percentage, 12th-rib fat, longissimus muscle area, marbling score, USDA quality grade, and yield grade did not differ by treatment ( P ≥ 0.36). These results are consistent with other studies with B. subtilis PB6 supplementation to feedlot cattle ( Smock et al., 2019 ; Smith et al., 2021 ; Word et al., 2022 ). Likewise, Krehbiel et al.…”
Section: Resultssupporting
confidence: 93%
“…Similar experiments by Smock et al. (2019) and Word et al. (2022) make no mention of incidence of toe abscesses or lameness.…”
Section: Resultsmentioning
confidence: 84%
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