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https://hdl.handle.net/1959.11/30925
Title: | Frequent Visits to an Outdoor Range and Lower Areas of an Aviary System Is Related to Curiosity in Commercial Free-Range Laying Hens | Contributor(s): | Kolakshyapati, Manisha (author)![]() ![]() ![]() ![]() ![]() |
Publication Date: | 2020-09-21 | Open Access: | Yes | DOI: | 10.3390/ani10091706 | Handle Link: | https://hdl.handle.net/1959.11/30925 | Abstract: | Individual hen preferences to spend time at particular locations within a free-range aviary system and relationships with temperament is relatively unknown. Hens (n = 769) from three commercial flocks were monitored with Radio Frequency Identification technology to determine time spent on the range, upper and lower aviary tiers, and nest boxes. Prior depopulation, novel arena (NA) and novel object (NO) tests assessed exploration and fearfulness. During early life; more time on the lower tier was associated with more lines crossed in the NA test (p < 0.05). No other evidence suggested preference during early life was related to fear or curiosity. More time on the range and lower tier were associated with heavier pre-ranging body weight and gain (p = 0.0001). Over the hens' whole life; time spent on range and lower tier was associated with approaching the NO (p < 0.01). More time spent on the upper tier was associated with less time near the NO and fewer lines crossed in NA (p < 0.01). The relationships during early and whole life use of space and some potential indicators of fearfulness were inconsistent and therefore, no strong, valid, and reliable indicators of hen fearfulness such as freezing were identified. | Publication Type: | Journal Article | Source of Publication: | Animals, 10(9), p. 1-20 | Publisher: | MDPI AG | Place of Publication: | Switzerland | ISSN: | 2076-2615 | Fields of Research (FoR) 2020: | 310901 Animal behaviour | Socio-Economic Objective (SEO) 2020: | 109902 Animal welfare | Peer Reviewed: | Yes | HERDC Category Description: | C1 Refereed Article in a Scholarly Journal |
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Appears in Collections: | Journal Article School of Environmental and Rural Science School of Science and Technology |
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openpublished/FrequentKolakshyapatiTaylorHamlinSibandaDeSouzaVilelaRuhnke2020JournalArticle.pdf | Published version | 1.66 MB | Adobe PDF Download Adobe | View/Open |
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