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 5.89
Milk (kg) -140.00 -0.014 1.96
Fat (kg) -3.98 -0.375 1.49
Prot (kg) -5.52 -0.441 2.44
Fertility Sub Index 10.99
Calving Interval (days) -8.00 -1.459 11.67
Survival (%) -0.61 1.117 -0.68
Calving Sub Index -3.07
Gestation Length (days) 3.34 -0.919 -3.07
Beef Sub Index 2.64
Carcass Weight (kg) -4.00 -0.528 2.11
Age of Slaughter (days) -1.23 -0.432 0.53
Maintenance Sub Index Maint. Sub Index 2.64
Live WT (kg) -8.60 -0.307 2.64
Total Carbon Sub Index 19.08

* Based on an €80/tonne carbon price