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Behavior as welfare indicator for the rearing of broilers in an enriched husbandry environment—A field study
Field trial on animal-based measures for animal welfare in slow growing broilers reared under an alternative concept suitable for the German market
A higher animal well-being of slower growing broilers reared under enriched environmental conditions compared to conventionally reared broilers of this study is indicated.
Dust-bathing behavior of laying hens in enriched colony housing systems and an aviary system
- H. Louton, S. Bergmann, S. Reese, M. Erhard, E. Rauch
- Environmental SciencePoultry science
- 3 April 2016
The dust-bathing behavior of Lohmann Selected Leghorn hens was compared in 4 enriched colony housing systems and in an aviary system, and a positive correlation between dust-Bathing activity and size of the dust-bath area was observed.
Animal-based welfare indicators of 4 slow-growing broiler genotypes for the approval in an animal welfare label program
With the exception of weight gain in 2 genotypes, the investigated indicators showed that all genotypes met the requirements of the animal welfare label.
Harvesting-induced stress in broilers: Comparison of a manual and a mechanical harvesting method under field conditions
Animal‐ and management‐based welfare indicators for a conventional broiler strain in 2 barn types (Louisiana barn and closed barn)
The barn type did not seem to influence the investigated welfare indicators, but Louisiana barns might need a more precise management to maintain the required ranges of noxious gases and litter quality.
Prevalence and severity of foot pad alterations in German turkey poults during the early rearing phase.
The present study reflects the prevalence and severity of foot pad alterations of turkey poults up to the age of 35 d (5 wk) and examines whether a higher stocking density during the very early rearing phase led to a worse foot pad health status (P < 0.001).
Training and Validating a Machine Learning Model for the Sensor-Based Monitoring of Lying Behavior in Dairy Cows on Pasture and in the Barn
- Lara Schmeling, Golnaz Elmamooz, E. Rauch
- MedicineAnimals : an open access journal from MDPI
- 1 September 2021
The building of the model presents a successful first step towards the development of a monitoring system for dairy cows kept on pasture and in the barn, and adding a model for standing up events and lying down events could improve the prediction of lying in theBarn.
Evaluation of 2 different treatment procedures after calving to improve harvesting of high-quantity and high-quality colostrum
- F. Sutter, S. Borchardt, G. Schuenemann, E. Rauch, M. Erhard, W. Heuwieser
- Biology, MedicineJournal of Dairy Science
- 1 August 2019
Colostrum quality was affected by the treatment procedures, colostrum quantity, parity, calving time, harvesting time after calving, and the calving day during the week.
Statistical tools to improve assessing agreement between several observers.
- I. Ruddat, B. Scholz, A. Campe
- PsychologyAnimal : an international journal of animal…
- 24 January 2014
The proposed method and graphical description served to assess the direction and degree to which an observer deviates from the others and is suggested to further improve studies with numerous observers by conducting calibration meetings and accounting for observer bias.