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 8.00
Milk (kg) -187.00 -0.014 2.62
Fat (kg) -5.57 -0.375 2.09
Prot (kg) -7.46 -0.441 3.29
Fertility Sub Index -0.96
Calving Interval (days) -0.01 -1.459 0.01
Survival (%) -0.87 1.117 -0.97
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.77
Carcass Weight (kg) -3.50 -0.528 1.85
Age of Slaughter (days) 2.49 -0.432 -1.07
Maintenance Sub Index Maint. Sub Index 1.66
Live WT (kg) -5.40 -0.307 1.66
Total Carbon Sub Index 9.00

* Based on an €80/tonne carbon price