Feed particle selection and nutrient intake altered by pecking stone consumption and beak length in free-range laying hens
The present study investigated the effects of pecking stones on feeding behaviour of hens from 16 to 46 weeks of age. Eighteen flocks of Hy-Line Brown hens were housed in 2 commercial free-range housing systems. Farm A housed 10 flocks of beak trimmed (infrared beak treatment) hens in fixed sheds. F...
| Main Authors: | , , , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
KeAi Communications Co., Ltd.
2019-06-01
|
| Series: | Animal Nutrition |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S2405654518300854 |