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 6.63
Milk (kg) -83.00 -0.014 1.16
Fat (kg) -9.73 -0.375 3.64
Prot (kg) -4.13 -0.441 1.82
Fertility Sub Index -2.46
Calving Interval (days) 0.99 -1.459 -1.44
Survival (%) -0.91 1.117 -1.02
Calving Sub Index -1.24
Gestation Length (days) 1.35 -0.919 -1.24
Beef Sub Index -4.68
Carcass Weight (kg) 4.90 -0.528 -2.58
Age of Slaughter (days) 4.86 -0.432 -2.10
Maintenance Sub Index Maint. Sub Index -1.84
Live WT (kg) 6.00 -0.307 -1.84
Total Carbon Sub Index -3.60

* Based on an €80/tonne carbon price