Selected article for: "group size and growth performance"
Author: Olsen, Kristin M; Gabler, Nicholas K; Rademacher, Chris J; Schwartz, Kent J; Schweer, Wesley P; Gourley, Gene G; Patience, John F
Title: The effects of group size and subtherapeutic antibiotic alternatives on growth performance and morbidity of nursery pigs: a model for feed additive evaluation
  • Document date: 2018_7_6
    • ID: r6xzqu6a_28
    Snippet: Within the individual feeding phases, performance responses for diet and group size treatments showed similar patterns to the overall treatment data (data not shown). In phases 1 and 3, no interactions between diet and group size were observed (P > 0.05). The main effect of group size was not significant for ADG, ADFI, or G:F in phases 1 and 2 (P > 0.10) but was significant in phase 3 where small groups had greater ADG and G:F than large groups (.....
    Document: Within the individual feeding phases, performance responses for diet and group size treatments showed similar patterns to the overall treatment data (data not shown). In phases 1 and 3, no interactions between diet and group size were observed (P > 0.05). The main effect of group size was not significant for ADG, ADFI, or G:F in phases 1 and 2 (P > 0.10) but was significant in phase 3 where small groups had greater ADG and G:F than large groups (P < 0.01). The main effect of diet was present in all phases in a similar pattern to the overall results. In phase 3, ADG and G:F were similar to phase 2, which likely reflects depressions in growth performance due to PRRSV.

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