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The need to develop novel alternatives to antibiotics gained prominence following the ban on sub-therapeutic antibiotic applications for livestock growth enhancement. This prohibition led to a surge in research papers exploring potential alternatives to antibiotics to promote growth and health in poultry. As a result, it has become imperative to synthesize information regarding research accomplishments and publication patterns in antibiotic alternatives, to assess research gaps and aid regulatory, funding, and research entities in making informed decisions. Consequently, our study aims to systematically analyze and comprehend the research and publication trends related to growth-promoting antibiotic alternatives in poultry. We identified all publications during the search period from 2009 to 2022, utilizing various bibliometric analysis datasets from Scopus, Web of Science/InCites, and Dimensions. The Rayyan web application was employed for manual deduplicating, labeling, and screening the relevant publications. From an initial pool of 2038 publications, we screened and categorized 816 based on factors such as alternative antibiotic categories, publication years, countries, species, journals, and institutes. Our findings reveal that the most prevalent publications are centered around probiotic (30.51%) and phytogenic (24.02%). Notably, the United States leads publication output, followed by China and Egypt. Among poultry species, broilers emerge as the most extensively studied category, followed by layer chickens. Universities emerge as the foremost contributors to antibiotic alternative research, while government institutes and industry occupy the second and third positions, respectively. Upon scrutinizing the journals responsible for the highest publication count and most cited papers, it became evident that the journal "Poultry Science" leads with the highest percentage (13.51%) and the most highly cited publications, accounting for five out of eleven highly cited articles. This comprehensive review outlines research trends concerning diverse antibiotic alternatives, taking into account poultry species and geographical distribution. The future trajectory in this domain is projected to encompass a blend of various antibiotic alternatives that could be administered as a single product and/or the innovative use of novel antibiotic alternatives.
Wickramasuriya et al. (Thu,) studied this question.