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 1.15
Milk (kg) -66.00 -0.014 0.92
Fat (kg) 4.71 -0.375 -1.76
Prot (kg) -4.51 -0.441 1.99
Fertility Sub Index 7.16
Calving Interval (days) -4.12 -1.459 6.01
Survival (%) 1.03 1.117 1.15
Calving Sub Index 0.49
Gestation Length (days) -0.53 -0.919 0.49
Beef Sub Index -0.21
Carcass Weight (kg) -1.00 -0.528 0.53
Age of Slaughter (days) 1.70 -0.432 -0.73
Maintenance Sub Index Maint. Sub Index 2.88
Live WT (kg) -9.40 -0.307 2.88
Total Carbon Sub Index 11.48

* Based on an €80/tonne carbon price