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 6.97
Milk (kg) -2.00 -0.014 0.03
Fat (kg) -14.08 -0.375 5.27
Prot (kg) -3.78 -0.441 1.67
Fertility Sub Index -4.82
Calving Interval (days) 2.89 -1.459 -4.22
Survival (%) -0.54 1.117 -0.60
Calving Sub Index -1.80
Gestation Length (days) 1.96 -0.919 -1.80
Beef Sub Index -1.73
Carcass Weight (kg) 2.30 -0.528 -1.21
Age of Slaughter (days) 1.19 -0.432 -0.51
Maintenance Sub Index Maint. Sub Index 1.07
Live WT (kg) -3.50 -0.307 1.07
Total Carbon Sub Index -0.30

* Based on an €80/tonne carbon price