1. Ahlman, T., Berglund, B., Rydhmer, L., & Strandberg, E. (2011). Culling reasons in organic and conventional dairy herds and genotype by environment interaction for longevity. Journal of Dairy Science,
94, 1568–1575.
2. Algers, B., Bertoni, G., Broom, D. M. , Hartung, J., Lidfors, L., Metz, J.
H. M., Munksgaard, L., Nunes Pina, T., Oltenacu, T., Rehage, J., Rushen, J., Smulders, F., Stassen, E. N., Stilwell, G.,
Waiblinger, S., & Webster, A. J. F. (2009). Scientific report on the effects of farming systems on dairy cow welfare and disease, prepared by Animal Health and Animal Welfare Unit of the European Food Safety Authority (EFSA).
3. Anonymous. (2001). “Scientists” assessment of the impact on housing and management on animal welfare. Journal of Applied Animal Welfare Science, 4, 3–52.
4. Balcombe, J. (2009). Animal pleasure and its moral significance. Applied Animal Behaviour Science,
118, 208–216.
5. Booth, C. J., Warnick, L. D., Grohn, Y. T., Maizon, D. O., Guard, C. L., & Janssen, D. (2004). Effect of lameness on culling in dairy cows. Journal of Dairy Science,
87, 4115–4122.