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 4.14
Milk (kg) -2.00 -0.014 0.03
Fat (kg) -8.47 -0.375 3.17
Prot (kg) -2.13 -0.441 0.94
Fertility Sub Index 0.05
Calving Interval (days) -0.23 -1.459 0.34
Survival (%) -0.26 1.117 -0.29
Calving Sub Index -1.57
Gestation Length (days) 1.71 -0.919 -1.57
Beef Sub Index -6.00
Carcass Weight (kg) 15.00 -0.528 -7.91
Age of Slaughter (days) -4.44 -0.432 1.92
Maintenance Sub Index Maint. Sub Index -9.17
Live WT (kg) 29.90 -0.307 -9.17
Total Carbon Sub Index -12.54

* Based on an €80/tonne carbon price