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Research Article Open access CC BY 4.0

Change Over and Switchback for Experimentation on Large Animals

Fagton de Mattos Negrão, Emerson Silva Miranda, Luciano da Silva Cabral, Alan Andrade Mesquita, Amanda Rodrigues da Fonseca, Ellen Cristina Silva Marques, Mateus Ferreira Lucas, Luan Rafael Assunção dos Santos, Tayane Barbosa Pereira

Annual Research & Review in Biology · pp. 57–64 · Published 4 Jun 2024

10.9734/arrb/2024/v39i62088

Abstract

Among the most common designs, the very randomized design, in randomized blocks and in Latin squares, stands out, however, approaches to alternative designs are not as common in basic books that cover experimental statistics, especially in the approach that was given in this article. The study of Change Over and Switchback designs is a separate chapter within statistics. For experimentation on large animals, alternative tests are widely used, that is, obtaining a sequence of treatments that can make the final cost of this operation viable. There are two types of experimental tests: rotational (Changeover) and reversal (Switchback). The objective of this work was to present the Changeover and Switchback designs.

Rotational experiments experiments ruminants

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