Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
Sep 2025 Milk Sub Index 4.77
Milk (kg) -21.00 -0.014 0.29
Fat (kg) -4.13 -0.375 1.55
Prot (kg) -6.63 -0.441 2.93
Fertility Sub Index -9.40
Calving Interval (days) 4.50 -1.459 -6.57
Survival (%) -2.54 1.117 -2.84
Calving Sub Index -1.99
Gestation Length (days) 2.17 -0.919 -1.99
Beef Sub Index -2.23
Carcass Weight (kg) 2.80 -0.528 -1.48
Age of Slaughter (days) 1.74 -0.432 -0.75
Maintenance Sub Index Maint. Sub Index 1.13
Live WT (kg) -3.70 -0.307 1.13
Total Carbon Sub Index -7.72

* Based on an €80/tonne carbon price