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 15.06
Milk (kg) -248.00 -0.014 3.47
Fat (kg) -15.73 -0.375 5.89
Prot (kg) -12.90 -0.441 5.69
Fertility Sub Index -0.45
Calving Interval (days) 0.51 -1.459 -0.74
Survival (%) 0.26 1.117 0.29
Calving Sub Index -1.28
Gestation Length (days) 1.39 -0.919 -1.28
Beef Sub Index -2.76
Carcass Weight (kg) 1.20 -0.528 -0.63
Age of Slaughter (days) 4.93 -0.432 -2.13
Maintenance Sub Index Maint. Sub Index 3.00
Live WT (kg) -9.80 -0.307 3.00
Total Carbon Sub Index 13.57

* Based on an €80/tonne carbon price