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Effect of naloxone on food competition aggression in food-restricted high and low aggression pigeons (Columba livia)
Brazilian Journal of Medical and Biological Research
We determined the effect of the opiate receptor antagonist naloxone on aggression, emotion, feeder control, and eating behavior in high and low aggression female pigeons maintained at 80% of their normal weight and exposed to food competition interactions. Pigeons were divided into pairs by previously ranked high aggression (total time spent in offensive aggression exceeding 60 s/5 min; N = 6 pairs) and low aggression females (time spent in offensive aggression less than 10 s/5 min; N = 6doi:10.1590/s0100-879x2004000300010 pmid:15060702 fatcat:kvhrkjyd65aktbpjtaos3nrkoe