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 12.12
Milk (kg) -262.00 -0.014 3.67
Fat (kg) -6.14 -0.375 2.30
Prot (kg) -13.95 -0.441 6.16
Fertility Sub Index -1.88
Calving Interval (days) 1.68 -1.459 -2.45
Survival (%) 0.51 1.117 0.57
Calving Sub Index -0.06
Gestation Length (days) 0.07 -0.919 -0.06
Beef Sub Index -2.46
Carcass Weight (kg) 2.30 -0.528 -1.21
Age of Slaughter (days) 2.89 -0.432 -1.25
Maintenance Sub Index Maint. Sub Index 1.53
Live WT (kg) -5.00 -0.307 1.53
Total Carbon Sub Index 9.25

* Based on an €80/tonne carbon price