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Relation between Feed Particle Size Distribution and Plumage Condition in Laying Hens on Commercial Farms
2021
Animals
In this cross-sectional study, 103 complete feed samples from laying hen herds affected by plumage damage as an indirect measure for severe feather pecking (affected herds; AH, n = 37) and control herds without plumage damage (control herd; CH, n = 66) of commercial German farms were examined by dry sieve and nutrient analysis. AH showed higher percentages of particles >2.50 mm (mean ± SD, CH: 11.0 ± 8.5%, AH: 24.9 ± 14.3%) and 2.00–2.50 mm (CH: 11.2 ± 5.3%, AH: 15.7 ± 5.7%), but lower
doi:10.3390/ani11030773
pmid:33799522
fatcat:4fbcj4ar6fco5eizb2myqioe64