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 15.45
Milk (kg) -287.00 -0.014 4.02
Fat (kg) -15.38 -0.375 5.76
Prot (kg) -12.85 -0.441 5.67
Fertility Sub Index -1.73
Calving Interval (days) 1.25 -1.459 -1.82
Survival (%) 0.08 1.117 0.09
Calving Sub Index -1.55
Gestation Length (days) 1.69 -0.919 -1.55
Beef Sub Index -2.77
Carcass Weight (kg) 4.90 -0.528 -2.58
Age of Slaughter (days) 0.44 -0.432 -0.19
Maintenance Sub Index Maint. Sub Index -1.16
Live WT (kg) 3.80 -0.307 -1.16
Total Carbon Sub Index 8.23

* Based on an €80/tonne carbon price