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Directory UMM :Data Elmu:jurnal:A:Applied Animal Behaviour Science:Vol67.Issue4.2000:

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Fig. 1. Cross section and plan of the system. T0–T5 indicate the different tiers with feeding pans, nippleŽdrinkers and perches , N.snests, Lslittered floor, DSsdung scrapers
Table 1Roosting site constancy over 2 nights and the tendency to stay during daytime within the same section as was
Fig. 3. The percentage of observations of birds during daytime in the same section as they were marked in,ŽPadjacent section and most distant section, respectively
Fig. 5. The frequency of aggressive pecks over a 2-day period nine 20-min observations per day in small.flocks20 min for four groups of birds picked out roosting closely together ‘‘close’’ and four groups of birds pickedout roosting far apart from each oth

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