Alexandra Moesta

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1. Laying hens in two aviary flocks of 1250 females and 12 males were investigated to determine if hens used the same roosting site more often than expected by chance and whether hens that roost next to each other for two consecutive nights (close groups) had fewer agonistic interactions than hens roosting far away from each other (distant groups) when put(More)
Although cats are a social species and capable of living together in groups of several cats, intercat aggression is a common behavioral problem. Intercat aggression can be classified as status-related, fear- related, play-related, redirected and can also be due to the addition of a new cat to an existing group. Socialization of kittens, choice of the right(More)
This literature review gives information about important behaviour categories of laying hens kept in aviary systems. Based on current knowledge, the differences in behaviour of hens in aviaries compared to the behaviour of hens living under "close to natural" conditions are assessed quantitatively and qualitatively. The focus of this first review is put on(More)
This literature review gives information about important behaviour patterns concerning feeding, reproduction and dust bathing of laying hens kept in aviary systems. The behaviour of hens in aviaries is compared to the behaviour of hens living under "close to natural" conditions. Feeding behaviour can be performed to a great extent in aviaries. The same is(More)
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