Resumo

CASTRO, Ana M.; GONZALEZ, Marcela V.; CONSTANTINO, Fernando  e  GALINDO, Fernando M.. Importance of breast milk in the development of intestinal microbiota. Rev. med. Hosp. Gen. Méx. [online]. 2019, vol.82, n.2, pp.61-66.  Epub 06-Set-2021. ISSN 2524-177X.  https://doi.org/10.24875/hgmx.m19000023.

At birth, mammals make the transition from aseptic surroundings to a pathogen-filled environment, it is known that different factors modulate immune responses, but in the digestive tract breast milk (BM) may play an important role in the maturation of the immune response, mainly in relation to the gut. In this sense, it has been demonstrated that besides nutrients and antibodies, BM contains cells, hormones, cytokines, and growth factors. The objective of this work was to evaluate the importance of BM in the development of both the piglet and the intestinal microbiota. For this, two groups of piglets were formed; one suckled with the saw and the other suckled with BM substitute. Stool samples were taken for bacterial identification, this was done through the VITEK-system, and subsequently, the serotype was identified. The results showed that the piglets suckled with BM substitute 18 (100%) presented diarrheal episodes from the 2nd day, of this group two piglets presented bloody diarrhea, and the group fed with the mother only 7 (38.8%) had diarrheic episodes from the 5th day. All isolates 285 were Escherichia coli. The largest number of isolates obtained of piglets suckled with BM belonged to serotype O103:H28 and largest number of isolates obtained of piglets suckled with milk substitute belonged to serotype O166:H21. Serotypes belonged to bloody diarrhea were O103:H28 and O166:H21. The present work showed the importance of BM both in the body development of the piglet and in the protection against infections.

Palavras-chave : Piglets suckled with the saw; Piglets suckled with breast milk substitute; Escherichia coli; Serotypes.

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