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 13.03
Milk (kg) -123.00 -0.014 1.72
Fat (kg) -14.36 -0.375 5.38
Prot (kg) -13.43 -0.441 5.93
Fertility Sub Index 2.74
Calving Interval (days) -1.29 -1.459 1.88
Survival (%) 0.77 1.117 0.86
Calving Sub Index -1.94
Gestation Length (days) 2.11 -0.919 -1.94
Beef Sub Index 0.98
Carcass Weight (kg) -6.50 -0.528 3.43
Age of Slaughter (days) 5.67 -0.432 -2.45
Maintenance Sub Index Maint. Sub Index 7.91
Live WT (kg) -25.80 -0.307 7.91
Total Carbon Sub Index 22.72

* Based on an €80/tonne carbon price