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 17.07
Milk (kg) -327.00 -0.014 4.58
Fat (kg) -16.39 -0.375 6.14
Prot (kg) -14.39 -0.441 6.35
Fertility Sub Index 1.92
Calving Interval (days) -2.13 -1.459 3.11
Survival (%) -1.06 1.117 -1.18
Calving Sub Index -2.95
Gestation Length (days) 3.21 -0.919 -2.95
Beef Sub Index 2.67
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) -4.10 -0.432 1.77
Maintenance Sub Index Maint. Sub Index 2.91
Live WT (kg) -9.50 -0.307 2.91
Total Carbon Sub Index 21.61

* Based on an €80/tonne carbon price