کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
4523981 1625420 2008 5 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
A note on light preference in layer pullets reared in incandescent or natural light
موضوعات مرتبط
علوم زیستی و بیوفناوری علوم کشاورزی و بیولوژیک علوم دامی و جانورشناسی
پیش نمایش صفحه اول مقاله
A note on light preference in layer pullets reared in incandescent or natural light
چکیده انگلیسی

The effect of early exposure of pullets to natural light may have an effect on the later preference for light type and on the behaviour of birds after being transferred to laying facilities. Our aim was to study the light-type preference of 14-week pullets reared in either incandescent or natural light. From day-old, a total of 84 LSL chicks were subjected to two light treatments with six groups of seven birds each: 8 h incandescent light + 16 h darkness (I8), and 8 h natural light + 16 h darkness (N8). At the age of 14 weeks, the birds’ light-type preference was tested. Behaviour was recorded at the group level and analysed by a linear mixed model. Predicted mean proportion of birds that chose natural light was 0.36 in N8 and 0.13 in I8 groups. I8 groups showed a preference for incandescent light, in contrast to N8. These results support the notion that pullets for organic egg production shall be reared with access to natural light.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Applied Animal Behaviour Science - Volume 112, Issues 3–4, August 2008, Pages 395–399
نویسندگان
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