Antibacterial properties of saliva: Role in maternal periparturient grooming and in licking wounds

Benjamin Hart, Karen L. Powell

Research output: Contribution to journalArticle

42 Citations (Scopus)

Abstract

Canine saliva was tested for its bactericidal effects against pathogens relevant to the presumed hygienic functions of maternal grooming of the mammary and anogenital areas and licking of wounds. Both female and male saliva were bactericidal against Escherichia coli and Streptococcus canis but only slightly, and nonsignificantly, bactericidal against coagulase positive staphylococcus and Pseudomonas aeruginosa. E. coli is the cause of highly fatal coliform enteritis of neonatal mammals and E. coli and S. canis are the main pathogens implicated in neonatal septicemia of dogs. The bactericidal effects of saliva would facilitate the hygienic function of maternal licking of the mammary and anogenital areas in protecting newborns from these diseases. E. coli and S. canis along with coagulase positive staphylococcus and P. aeruginosa are among the common wound contaminants of dogs. Wound licking, and the application of saliva, would thus reduce wound contamination by E. coli and S. canis. The resistance of staphylococcus to bactericidal effects of saliva may be a factor in the high frequency (46 percent) with which coagulase positive staphylococcus was isolated from wounds compared with much lower frequency (9-17 percent) with which E. coli and S. canis were isolated.

Original languageEnglish (US)
Pages (from-to)383-386
Number of pages4
JournalPhysiology and Behavior
Volume48
Issue number3
DOIs
StatePublished - Jan 1 1990
Externally publishedYes

Fingerprint

Grooming
Saliva
Mothers
Escherichia coli
Staphylococcus
Coagulase
Wounds and Injuries
Pseudomonas aeruginosa
Breast
Dogs
Enteritis
Streptococcus
Canidae
Mammals
Sepsis

Keywords

  • Bacteria
  • Dogs
  • E. coli
  • Grooming
  • Maternal behavior
  • Saliva

ASJC Scopus subject areas

  • Experimental and Cognitive Psychology
  • Behavioral Neuroscience

Cite this

Antibacterial properties of saliva : Role in maternal periparturient grooming and in licking wounds. / Hart, Benjamin; Powell, Karen L.

In: Physiology and Behavior, Vol. 48, No. 3, 01.01.1990, p. 383-386.

Research output: Contribution to journalArticle

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