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 8.76
Milk (kg) -140.00 -0.014 1.96
Fat (kg) -10.12 -0.375 3.79
Prot (kg) -6.82 -0.441 3.01
Fertility Sub Index 11.78
Calving Interval (days) -5.81 -1.459 8.48
Survival (%) 2.96 1.117 3.31
Calving Sub Index -3.21
Gestation Length (days) 3.49 -0.919 -3.21
Beef Sub Index 4.00
Carcass Weight (kg) -5.70 -0.528 3.01
Age of Slaughter (days) -2.30 -0.432 0.99
Maintenance Sub Index Maint. Sub Index 4.78
Live WT (kg) -15.60 -0.307 4.78
Total Carbon Sub Index 26.12

* Based on an €80/tonne carbon price