Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
May 2025 Milk Sub Index 21.27
Milk (kg) -502.00 -0.014 7.03
Fat (kg) -22.08 -0.375 8.27
Prot (kg) -13.54 -0.441 5.98
Fertility Sub Index 6.51
Calving Interval (days) -3.13 -1.459 4.57
Survival (%) 1.74 1.117 1.94
Calving Sub Index 1.81
Gestation Length (days) -1.97 -0.919 1.81
Beef Sub Index 2.70
Carcass Weight (kg) -2.40 -0.528 1.27
Age of Slaughter (days) -3.33 -0.432 1.44
Maintenance Sub Index Maint. Sub Index 5.98
Live WT (kg) -19.50 -0.307 5.98
Total Carbon Sub Index 38.28

* Based on an €80/tonne carbon price