Thorkil Ambrosen

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A factorial experiment, with seven levels of protein and seven strains of layers, was conducted to determine the effect of protein level on plumage condition and mortality due to cannibalism. The experiment was carried out with a total of 3,136 layers. The protein content of the feed varied from 11.1 to 19.3%. The experiment revealed that protein levels had(More)
Foot-pad dermatitis is a major welfare concern of broilers caused by ammonia irritation from the bedding material. In Denmark, an action plan to control the condition was implemented in 2002 with monitoring through a foot scoring system at slaughter and with predefined limits that trigger sanctions. The objective of the present study was to study time(More)
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