Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 4 of 4 for “"feather pecking"”.
-
Assessment of behaviour and egg production of laying hens kept in cages and floor systems on a commercial farm in South Africa
… to 3:00 PM), focusing on dustbathing, nesting, feather pecking, and perching behaviours, as well as body condition scores. Body weights, egg production, and feed intake were recorded on weekly intervals. Eggs were collected daily between the hours of 8:00 am and 10:00 am in all housing systems …
-
Alternate Housing for Laying Hens
… for cause of death. Birds were scored for feather cover and foot health at the end of trial. Skeletal strength was determined by measuring the ultimate breaking force of tibiae and humeri. Statistical analysis was performed using the General Linear Model program of SAS (1989). Behavioral …
-
The effects of LED light flicker on turkey hen production, health, and welfare to 11 weeks of age
… for mobility (gait score), footpad lesions, feather condition, and feather cleanliness. At 11 wk 4 birds/room were euthanized and the right eyeball was excised and measured for weight, medio-lateral diameter, dorso-ventral diameter (DV), and anterior-posterior size (AP). …