28 Jul 2021

Probiotics: importance and benefits of using them in the hatchery

probióticos no incubatório


AUTHOR

Fabrizio Matté

Diamond V

Content available in: Português (Portuguese (Brazil))

The complexity of the gastrointestinal ecosystem is extraordinary. The amount of bacterial cells present in the animal’s microbiota exceeds the total number of somatic cells.

The interaction between host and microorganism has not been fully elucidated, but the functions of the microbiota on the gastrointestinal tract (GIT) are already described and comprise:

Modulation of the immune system

The production of organic acids and the use of nutrients

Maintaining intestinal integrity and stimulating enterocyte renewal

Adsorption and breakdown of toxins

The competition and exclusion of pathogens

In non-commercial farms or in the wild, once the chicks hatch, they are exposed to natural microorganisms from the adult birds and the environment.

probióticos no incubatório

On the other hand, under commercial conditions, contact and transfer of the microbiota in its natural form are minimal or non-existent.

Therefore, the GTI of recently hatched chicks is practically exposed to colonization by microorganisms present:

probióticos incubatórioin the hatchery

shipping boxes

on the farm

It is important to consider that the neonatal period is the most important moment in the development of the digestive and immune systems of birds, and this development is positively influenced by the presence of an adequate microbiota (Pedroso, 2011).

Most of the composition and density of the microbiota depend on the bacteria that the birds receive during the hatching period and on their first diet.

Bacteria that colonize the first days of life of chicks grow very fast, and the intestine becomes inhabited by 108 and 1011 bacteria per gram of digesta in the ileum and cecum respectively between the first and third day of life (Yadav & Jha, 2019).

PREVENTION

In industrial poultry farming, most microorganisms present in environments to which birds are exposed in the neonatal period are not the most suitable for the early colonization of GIT.

probióticosTherefore, it is important to take measures to avoid microbiological problems arising from the artificial incubation process.

This gap in the development and neonatal colonization of GIT generated great research opportunities in the area of ​​administration of beneficial bacteria (probiotics) in the first moments of the life of birds.

probióticosScientific results and field experiments show that broiler chicks and turkeys show a positive response to treatment with probiotics soon after hatching.

Although the administration of probiotics during rearing is effective, the interval between hatching and housing is a delicate period and very important to maximize the productive and sanitary performance of the birds.

This break period consists of handling and processing the chicks in the hatchery, such as screening, sexing, vaccination, waiting room time, and transport. During all these steps, the chicks are in contact with microorganisms present in the environment and in the fomites.

GIT COLONIZATION

Thus, the GIT, which is in the microbiota establishment phase




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