07 Jun 2021

Plant extracts as an alternative to replace GPAs in poultry

Plant extracts are antimicrobials, which means that their properties have a toxic effect that kills pathogen populations and prevents animals from presenting any health problems such as diarrhea, enteritis, reduced intake, or growth retardation.

Plant extracts as an alternative to replace GPAs in poultry

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The growth of the poultry industry, intensive rearing conditions, and changes in environmental settings have increased the incidence of infections by various pathogens. This is especially critical during the first weeks of the broiler’s life, which is why considerable resources are needed to maintain the health of the birds through the supply of additives that allow controlling the incidence of microorganisms and the alteration of productive parameters.

 

Therefore, research based on a mixture of oregano, garlic, and thyme extracts is presented. These plants would be the best alternative to replace the growth-promoting antibiotics (GPA), used in poultry, ensuring food safety, improving production rates and providing animal welfare.

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This option was identified in a study by Alejandra Victoria Ruiz-Real, from the Animal Science Department of the National University of Colombia (UNAL), Bogotá Campus, who stated that antinutritional factors (AF) decrease the protein digestibility of birds, such as some inhibitors of the enzyme trypsin derived from soybeans.

 

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According to Alejandra Ruiz “the growth of the poultry industry, intensive breeding conditions, and changes in the environment have increased the incidence of infections by various pathogens.”

What are the antimicrobial effects?

Plant extracts are antimicrobials, which means that their properties have a toxic effect that kills pathogen populations and prevents animals from presenting any health problems such as diarrhea, enteritis, reduced intake, or growth retardation.

 

Experiment

As part of the research, an experiment was carried out with 480 one-day-old birds, divided into three treatments: Group A, with a diet without promoting additives; Group B, supplemented with GPA such as Bacitracin methylene disalicylate and halquinol; and Group C, with a mixture of oregano (10%), garlic (7%), and thyme (10%) plant extracts. All groups were given a 3% raw soybean mixture. The experiment was carried out until 35 days of age.

Results




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