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 4.72
Milk (kg) -54.00 -0.014 0.76
Fat (kg) -6.35 -0.375 2.38
Prot (kg) -3.59 -0.441 1.58
Fertility Sub Index 4.16
Calving Interval (days) -2.07 -1.459 3.02
Survival (%) 1.02 1.117 1.14
Calving Sub Index -0.15
Gestation Length (days) 0.16 -0.919 -0.15
Beef Sub Index 4.15
Carcass Weight (kg) -7.60 -0.528 4.01
Age of Slaughter (days) -0.32 -0.432 0.14
Maintenance Sub Index Maint. Sub Index -3.13
Live WT (kg) 10.20 -0.307 -3.13
Total Carbon Sub Index 9.75

* Based on an €80/tonne carbon price