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 6.53
Milk (kg) -1.00 -0.014 0.01
Fat (kg) -10.28 -0.375 3.85
Prot (kg) -6.03 -0.441 2.66
Fertility Sub Index -8.36
Calving Interval (days) 4.41 -1.459 -6.43
Survival (%) -1.72 1.117 -1.92
Calving Sub Index -0.40
Gestation Length (days) 0.44 -0.919 -0.40
Beef Sub Index -0.07
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) 2.49 -0.432 -1.07
Maintenance Sub Index Maint. Sub Index -1.20
Live WT (kg) 3.90 -0.307 -1.20
Total Carbon Sub Index -3.50

* Based on an €80/tonne carbon price