1. Culling of sows and the profitability of piglet production;te Brake;Neth. J. Agric. Sci.,1986
2. Relationship between backfat and sow longevity in Canadian Yorkshire and Landrace pigs;Brisbane,1996
3. Comparison of litter adjustment factors in Yorkshire and Landrace data;Brubaker;J. Anim. Sci.,1994
4. The effect of body composition of gilts at first mating on long-term sow productivity;Challinor;Anim. Sci.,1996
5. Reproductive failure, understanding the reasons that sows are culled for infertility;Dial,1996