Predatory aggression in the mink (Mustela vison)

Roles of serotonin and food satiation

Ella M Nikulina, N. K. Popova

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

5-Hydroxytrypotophan at a dose of 50 mg/kg intraperitoneally (i.p.) sharply increased neural serotonin (5-HT) levels in mink and considerably inhibited that animal's predatory attack on rats. Intraperitoneal injection of 5-HT (10 and 20 mg/kg) did not influence such rat-killing. Neural levels of 5-HT or 5-hydroxyindoleacetic acid (5-HIAA) and subsequent aggression by the predator did not change to any great degree after ingestion of the single meal. Abundance of natural mink food for 3 days was associated with an increased level of 5-HIAA in the lateral hypothalamus and the amygdala as well as with an increased latency to attack and to kill rats. 5-HT seems to represent an endogenous factor that inhibits predatory attack by the mink; this effect appears to function through increased metabolism of 5-HT in some brain regions, which is evident after abundant intake of tryptophan with the natural diet.

Original languageEnglish (US)
Pages (from-to)77-84
Number of pages8
JournalAggressive Behavior
Volume14
Issue number2
StatePublished - 1988
Externally publishedYes

Fingerprint

Satiation
Mink
Aggression
Serotonin
Food
Hydroxyindoleacetic Acid
Lateral Hypothalamic Area
Amygdala
Intraperitoneal Injections
Tryptophan
Meals
Rat
Attack
Eating
Diet
Brain

ASJC Scopus subject areas

  • Behavioral Neuroscience
  • Psychology(all)

Cite this

Predatory aggression in the mink (Mustela vison) : Roles of serotonin and food satiation. / Nikulina, Ella M; Popova, N. K.

In: Aggressive Behavior, Vol. 14, No. 2, 1988, p. 77-84.

Research output: Contribution to journalArticle

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