Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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    Early-life microbiota transplantation affects behavioural responses in feather pecking selection lines
    Weetering, Y. van de; Eijk, J.A.J. van der; Lammers, A. ; Rodenburg, T.B. - \ 2018
    Feather pecking (FP) is a major welfare and economic problem in the laying hen industry, as it can cause feather damage and could lead to injuries or even mortality of victims. FP is multifactorial and has been related to behaviours such as fearfulness. Gut microbiota might contribute to FP, as it influences behaviours in rodent models that have been linked to FP such as anxiety. Moreover, recent studies have found that high and low FP lines differ in their cecal microbial metabolites and composition. However, it is unknown whether a causal link between the gut microbiota and FP exists. Therefore, we orally administered adult microbiota to newly hatched chicks (daily, day 0-14 of age). We used genetic lines selected for high (HFP, n = 288) and low (LFP, n = 288) FP. The microbiota transplants were collected from pooled gut content of 30 week old HFP and LFP donor birds. Each line received either HFP microbiota, LFP microbiota or control treatment. FP behaviour was observed via direct observations on pen-level between 0-5, 8-10 and 13-15 weeks of age. Furthermore, birds were tested in two behavioural tests; the Novel Object (NO) test at 3 days and 5 weeks of age and the Open Field (OF) test at 13 weeks of age. Although we did not find an effect of line*treatment interactions or treatment on FP, we did observe that birds treated with LFP microbiota stepped sooner (P < 0.01) and more and vocalized sooner compared to the control treated birds during the OF test (P < 0.05). Additionally, they stepped sooner during the OF, yet took longer to approach the NO compared to HFP microbiota groups (P < 0.05). Therefore, we conclude that early-life microbiota treatment affects behavioural responses, which might be related to fearfulness, social motivation or coping style.
    Differences in virus transmission and scar production among males and females of the western flower thrips
    Weetering, F. van de; Hulshof, J. ; Dijken, F.R. van; Goldbach, R. ; Peters, D. - \ 1996
    Entomologia Experimentalis et Applicata 7 (1996). - ISSN 0013-8703 - p. 183 - 190.
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