<p>Antibiotic feed additives are frequently added to animal diets at subtherapeutic dosages in order to boost feed conversion and accelerate growth. These growth promoters can potentially to compromise the therapeutic efficacy of antimicrobial agents used in humans and animals by fostering the emergence and spread of antibiotic-resistant genes. Consumers are becoming more aware of the harmful consequences of bacteria that are resistant to antibiotics. There is a growing body of research on substitute growth promoters; at the moment, the goals are to increase growth rates and decrease the use of veterinary antibiotics in agriculture. Potential substitutes for antibiotic feed additives include phytogenic feed additives and compounds derived from plants. Phytogenic feed additives (PFA) including herbs, spices, essential oils and other plant extracts enhances zootechnical and animal health parameters, lowers emissions of ammonia and odors, enhances the utilization of amino acids and nutrients, and improves the quality of the carcass and meat. This review examines how phytogenic feed additives supplementation affects animal product quality and acceptability by consumers.</p>

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Role of phytogenic feed additives on animal product quality and acceptance—a review

  • Rumbidzai Blessing Nhara,
  • Collen Musara,
  • Takudzwa Charambira,
  • Tendai Mujati,
  • Tinotenda Nhovoro,
  • Pride Hodzi,
  • Ngavaite Chigede,
  • Faith Matiza Ruzengwe

摘要

Antibiotic feed additives are frequently added to animal diets at subtherapeutic dosages in order to boost feed conversion and accelerate growth. These growth promoters can potentially to compromise the therapeutic efficacy of antimicrobial agents used in humans and animals by fostering the emergence and spread of antibiotic-resistant genes. Consumers are becoming more aware of the harmful consequences of bacteria that are resistant to antibiotics. There is a growing body of research on substitute growth promoters; at the moment, the goals are to increase growth rates and decrease the use of veterinary antibiotics in agriculture. Potential substitutes for antibiotic feed additives include phytogenic feed additives and compounds derived from plants. Phytogenic feed additives (PFA) including herbs, spices, essential oils and other plant extracts enhances zootechnical and animal health parameters, lowers emissions of ammonia and odors, enhances the utilization of amino acids and nutrients, and improves the quality of the carcass and meat. This review examines how phytogenic feed additives supplementation affects animal product quality and acceptability by consumers.